Energy decisions, made clearer
The useful answer to the energy problem in front of you.
Clear, practical thinking for people responsible for buildings, budgets, compliance, and the next step from energy waste to measurable improvement.
29 October 2026
Measurement and Verification: How to Prove Your Energy Projects Are Delivering
Measurement and Verification: How to Prove Your Energy Projects Are Delivering At some point, every board asks the same question: “We spent £200,000 on the project. Where’s the saving?” Fair question. Unfortunately, most organisations cannot answer it with anything stronger than, “The bills look a bit better.” That will not survive contact with a finance director. Measurement and verification, usually shortened to M&V, is how you prove whether an energy project has delivered what it was supposed to deliver. It turns energy data from a collection of charts into evidence that supports decisions, reporting and accountability. This is not about creating another dashboard nobody opens. It's about establishing the truth before work starts, tracking what changes, and reporting it in a form boards, finance and operations can actually use. The principle is simple: Evidence then action. It is the same measurement-first principle we set out in Measure Before You Change: Why Energy Monitoring Comes First for Every Business. That article explains why monitoring comes before behaviour change, technology and renewables. This one goes a level deeper: how you prove the result once the work is done. Measurement and verification: savings are calculated, not directly measured You can measure electricity consumption. You can measure gas consumption. You can measure demand, operating hours, temperature and production. You cannot directly measure the energy you did not use. That means savings are calculated by comparing actual performance with a properly defined baseline: Savings = adjusted baseline energy use minus reporting-period energy use The word “adjusted” is doing a lot of work there. If energy use falls after a project, the reason might be the project. It might also be warmer weather, lower occupancy, reduced production, shorter operating hours or a building that was partly closed. A simple before-and-after bill comparison cannot separate those factors. It can show a change. It cannot reliably explain the change. That is why an IPMVP-style approach is useful. The Efficiency Valuation Organization’s IPMVP Core Concepts 2022 sets out a recognised framework for defining the measurement boundary, baseline, adjustments, calculations and reporting requirements. It is an international protocol rather than a UK one, but UK practice is built on it. UK government guidance on energy performance contracting recommends basing the M&V approach on IPMVP, agreeing the measurement plan before the contract is signed, and tailoring it to the specific project. Government evaluations of the Electricity Demand Reduction pilot, run by what was then the Department of Energy and Climate Change, assessed IPMVP as suitable for the UK context and applied it as the framework for verifying metered electricity savings. In UK buildings, the protocol sits alongside CIBSE guidance. CIBSE TM22 provides the energy assessment and reporting method for assessing the performance of an occupied building from metered energy use. CIBSE TM39: Building Metering and Monitoring (2026), the current edition published in May 2026, is the good-practice guide for designing, specifying and commissioning metering systems in non-domestic buildings, and includes guidance on data validation, reconciling submeter data against utility meters and reporting. That is the difference between “we think it saved money” and “here is the evidence”. Baselines: the work has to start before installation The most important M&V work often happens before anyone installs anything. Once the old system has been removed, you cannot go back and measure its real operating condition. You can estimate it. You can use nameplate data. You can ask somebody what it used to do. But the original evidence has gone. A proper baseline should set out: - The equipment and systems included in the project - The measurement boundary - Energy sources and meters being used - Operating hours and schedules - Occupancy, production or throughput - Weather variables where relevant - Existing controls and setpoints - Equipment condition and performance - Data quality, gaps and exclusions - The calculation method to be used afterwards - Who owns each part of the data and verification process For a whole-building project, the baseline may use utility bills, interval data, weather and operational information. For a specific motor, chiller or lighting system, it may be more sensible to measure the affected equipment directly. A useful baseline is not necessarily the biggest spreadsheet. It is the one that reflects how the building actually operated before the intervention. That matters because M&V should be proportionate. A small, straightforward lighting upgrade does not need the same level of analysis as a multi-building HVAC and controls project. But every project needs enough evidence to answer the question being asked. IPMVP options: choosing the right level of proof “Estimated operating hours” should not quietly become “measured operating hours” in the final report. That single slippage is the most common way a defensible savings claim becomes an indefensible one, and it is what the IPMVP options exist to prevent. The traditional IPMVP options are useful shorthand for thinking about the measurement approach. Option A: measure the key parameters This suits simpler projects where a few factors drive most of the savings. A lighting project might measure fixture power and establish operating hours. Some parameters may be measured while others are based on documented assumptions or agreed values. It can be practical and cost-effective, but the assumptions need to be visible, and labelled as assumptions. Option B: measure the affected system properly Option B uses measurement of all relevant energy and operating parameters. This might suit a variable speed drive on a pump, where power, runtime, flow and pressure all affect the result. It generally provides more detail, but it also requires more metering, data handling and analysis. Option C: analyse whole-facility performance Option C looks at whole-building or whole-site energy use. This is often appropriate where several measures interact or where the project affects the wider building. Utility and interval meter data can be analysed alongside variables such as weather, occupancy, production and operating hours. A regression model may estimate what the building would have used under the actual conditions experienced during the reporting period. That is more defensible than comparing two annual bills, particularly when buildings lie about what is driving demand. Option D: use calibrated simulation Option D involves a calibrated energy model. It suits complex projects or where no reliable existing baseline exists. It is powerful, but not a magic box: it needs good inputs, proper calibration and clear documentation. The method should match the question, the investment and the risk. More complexity is not automatically better. Buildings lie: the data needs a challenge process Buildings do not lie deliberately. They simply produce numbers without explaining themselves. A drop in electricity use may be a successful controls upgrade. It may also be a quiet production month. A rise in gas use may indicate poor boiler performance. It may be a colder winter or a change in operating hours. This is where reactive effort becomes expensive. Teams respond to the latest alarming bill, urgent complaint or failed target without having a stable view of the underlying performance. M&V helps move the organisation from reactive effort to controlled improvement. Before installation, agree: 1. What success means 2. Which data will prove it 3. What conditions need to be considered 4. What changes will trigger an adjustment 5. How often results will be reported 6. Who reviews and approves the findings Non-routine events must be logged too. A building extension, tenant change, production shift, equipment failure or operating-hours change can materially alter energy use. Do not bury these changes in a footnote. Put them in an adjustment log with the reason, evidence, calculation and approval, and name the person who signs each adjustment off. A finance director wants to see that the log has an owner and a signatory, not just somewhere to file it. A Finance Director will usually accept uncertainty when it is explained. They will not accept false precision. “We saved 20%” is a weak statement if nobody can explain the baseline, the reporting period, the operating conditions or the margin of uncertainty. To take an illustrative example: “The adjusted baseline predicted 1.2 GWh for the reporting period. Actual consumption was 1.08 GWh. The estimated avoided consumption is 120 MWh, subject to the documented model uncertainty and the operating changes recorded during the period.” That is a conversation finance can work with. Reporting: the evidence has to reach the right people M&V fails when the result is technically correct but operationally useless. Boards need a concise view of: - Investment made - Project status - Adjusted baseline - Actual performance - Estimated or verified energy impact - Cost impact using the agreed rates - Uncertainty and limitations - Exceptions requiring a decision - Next action and accountable owner Facilities teams need something different. They need exceptions, drift, failed schedules, missing data and equipment that is not operating as intended. Energy champions need a clear story they can share with colleagues. They need to see what changed, what worked and what still needs attention. Same evidence. Different reporting. This is where Enerlyse fits. Enerlyse connects monitoring, invoice validation, carbon reporting, compliance and performance reporting into a usable account of what is happening across the estate. The point is not to admire the data. The point is to identify opportunities, act on them and check whether the intervention delivered. If your organisation qualifies for ESOS, this evidence has a second job: it makes the audit easier to defend. Our ESOS Compliance Hub sets out what Phase 4 requires, from qualification and energy data through to director sign-off and Environment Agency notification, and walks through all ten stages step by step. The evidence trail that satisfies your board is the same one that survives an auditor's question, which is the reason to build it once rather than twice. A good reporting cycle should flag: - Missing or suspect meter data - Changes in baseload power - Unusual consumption patterns - Variance from the adjusted baseline - Equipment operating outside schedule - Model residuals or unexplained changes - Actions that have not been completed - Projects that need further investigation Reporting is not the final administrative step. It is part of the project delivery. M&V and project delivery: prove the result, then keep it Installation verification and savings verification are related, but they are not the same thing. Installation verification asks: - Was the specified equipment installed? - Are the controls connected and programmed? - Is the system operating safely? - Are setpoints and schedules correct? - Has commissioning been completed? Savings verification asks: - What energy use would have occurred without the project? - What energy use occurred after installation? - What conditions changed? - What adjustments are needed? - What level of uncertainty remains? - Has the improvement persisted? You need both. A new control system can be installed correctly and still fail to reduce consumption if schedules are wrong. A building can show lower consumption while a project is not working because occupancy or production has fallen. Our approach is built around connecting these questions: Enerlyse provides the evidence that identifies the opportunity, our Projects service turns it into a workable project, and the reporting shows what happened afterwards. That is why our Projects service is designed to sit alongside energy intelligence rather than apart from it. Data should not end as a report and a to-do list. The same principle applies to funding. Before borrowing capital for generation, storage or major infrastructure, look at the energy already being paid for without producing useful output. The cheapest source of capital is the energy you are wasting. That's not a telling-off. It's an opportunity. Better evidence can uncover operational improvements, strengthen a business case and help a board decide where capital should go next. That is the argument we set out in The Cheapest Source of Capital, a practical walkthrough of finding that evidence before deciding which improvement deserves capital and attention. Start with the evidence you already have You do not need to begin with a perfect data estate. Start with: 1. Twelve months of bills, where available 2. Meter coverage and meter ownership 3. Operating hours and known site changes 4. Existing submetering and BMS data 5. Current projects and their stated success measures 6. The reports currently going to the board 7. The question finance is most likely to ask Then test whether you could answer: “We spent £200,000. What changed, compared with what would otherwise have happened, and how confident are we?” If the answer is no, the next project should include the measurement plan before the installation plan. Our Energy Health Check is a practical starting point for understanding where your organisation is today. It covers energy visibility, compliance, delivery and funding, so the next conversation is based on evidence rather than guesswork. You can also email andrew@hawleyenergy.co.uk or call 01484 958761 to arrange a no-pressure 30-minute call. Bring the awkward question. They are usually the useful ones. If you want to read more, click here: ESOS Compliance Hub
Read article ↗23 October 2026
Heat Is the Biggest Line on Your Bill: 7 Mistakes You're Making with Heat Recovery
Heat Is the Biggest Line on Your Bill: 7 Mistakes You're Making with Heat Recovery On most commercial and industrial sites with substantial heat demand, heat is the biggest single line on the energy bill. And yet the first thing most of us do is buy new plant. Nobody asks the awkward question first: are we already paying to make heat that we then throw away? Usually the answer is yes. Compressors, chillers, process cooling and boiler flues are all pushing useful heat out of the building while a boiler fires to make more. So heat recovery ought to be one of the most straightforward wins on site. It rarely is. The kit is the easy part. Get the timing, the temperatures, the controls or the evidence wrong and a promising project becomes an expensive addition to the plant room that nobody can defend. And the building won't tell you. Buildings lie, cheerfully, and the bill is the only witness. I've watched these seven mistakes play out across sites. Here they are, with the check that stops each one. 1. Plant sizing: treating nameplate capacity as real demand A heat source or demand rated at a certain capacity does not run at that capacity all day. Nameplate data tells you what equipment can do under specified conditions. It tells you nothing about the site's average load, its operating hours, its peaks or how those demands overlap. Size a recovery system around the wrong number and it will be too large, too small, or useful for far fewer hours than the business case claims. That is how a good idea gets a reputation for not working. Do this instead: build a time-based load profile. Record source and demand temperatures, flow rates and operating hours across representative shifts and seasons. Distinguish peak demand from average demand, and account for diversity: different processes do not necessarily reach peak load together. CIBSE’s AM17 guidance for large non-domestic heat pumps covers demand characteristics, sizing and part-load performance for a reason. If you'd rather not build that profile yourself, our Projects team designs against a measured load profile instead of a datasheet. 2. Heat pumps: buying one before cascading available heat A heat pump can raise low-grade heat to a useful temperature. That doesn't mean it should be the first thing you buy. Most sites I walk round already have heat available from compressors, process cooling, boiler flue gases or chiller heat rejection. Some of it can be used directly, with no heat pump at all. So the right question is not "which heat pump should we install?" It is "what heat do we actually have, and where can it do useful work?" Buy the compressor first and you have paid to upgrade heat you could have used for free. Do this instead: list the sources and demands, then match them in stages. Look first for direct heat exchange. Consider a heat pump where the recovered heat is too cool for the demand and needs a temperature lift. The Carbon Trust heat pumps guide also recommends understanding the waste heat and the site’s thermal demands before selecting a system. 3. Temperature matching: using valuable heat for the wrong job Heat has a temperature grade, and it matters more than most people expect. Put your high-temperature source onto a low-temperature job like pre-heating or space heating, and you have left a valuable demand to be served by a boiler. Try to serve a high-temperature process with low-grade heat and you will spend a fortune lifting it. Either way, the plant room gets busier and the expected benefit does not appear. Do this instead: map source and demand temperatures, including the required flow and return temperatures. Match the highest-grade heat to the demands that need it. Then cascade what remains to lower-temperature duties. Keep the proposed arrangement grounded in actual operating conditions, not just a single temperature on a plant datasheet. That matching work is where independent design and delivery earns its keep, before anything gets bought. 4. Simultaneity: missing heat and cooling that run together One system can reject heat while another in the same building fires a boiler to make it. Heating and cooling often run together too, across different zones, processes or schedules. That overlap can be the opportunity. Assume it without checking the timings and the project looks better on paper than it ever will in operation. Do this instead: put source and demand on the same timeline, across shifts and seasons. Where timings don't line up, assess controls, scheduling or thermal storage. Don't assume storage solves it: include its losses, controls and cost. 5. Metering: having no way to prove the saving This is the one that costs you the most credibility, and the most money. If you can't measure the useful heat recovered and the energy used to recover it, you can't show what the system delivered. A lower bill after installation is not proof of savings. Production may have fallen. The weather may have changed. The site may be running fewer hours. Buildings lie, and they will lie cheerfully to a finance director. That makes reporting hard for everyone: the facilities team managing performance, the sustainability lead reporting progress and the finance team testing the investment case. Do this instead: plan metering before procurement. Define the measurement boundary and meter the heat source, useful heat delivered and electricity used by compressors, pumps, fans and controls. Record relevant operating conditions too. Establish a baseline, then compare post-installation performance against an adjusted baseline that accounts for meaningful changes such as production, occupancy, weather and operating hours. This is measurement and verification thinking: evidence that compares like with like. CIBSE AM17 includes metering and monitoring, commissioning and operation because a system’s performance has to be checked after handover, not just promised before it. This is exactly what Enerlyse exists to do: half-hourly data, an adjusted baseline, and a report that still stands up when finance asks how you know. 6. System design: forgetting the loads around the heat exchanger Recovered heat is not free if the recovery system needs substantial energy to capture and move it. Pumps and fans use electricity. Added pressure drop can make existing equipment work harder. Poor access can complicate maintenance. Fouling can reduce heat transfer if cleaning is not planned. Ignore those practical details and they can eat into the benefit, while a system that is awkward to service may gradually perform worse. Do this instead: include the whole system in the design review. Check pump and fan energy, pressure drop, controls, isolation, access for maintenance, expected fouling and a realistic cleaning regime. Ask who will maintain it, how often, and how performance will be checked. Compare net benefit, not gross recovered heat. The parasitic load is part of the capital case, not an afterthought in commissioning. 7. Investment case: filed as maintenance, so it is never funded and never owned Heat recovery gets treated as a plant-room improvement rather than an investment that needs an owner, a staged plan and evidence. So it competes for maintenance budget against a leaking roof, has no agreed verification plan, and never gets signed off. Or it does get installed, and nobody ever checks whether the benefit lasted past the first cold snap. Do this instead: answer the three questions a finance director will actually ask. What does it cost? What does it save, net of the parasitic load? And how will you prove both? If you can't answer the third, you don't have a case, you have a plant-room wish. Then make it investable: opportunity, cost, operating assumptions, risks, measurement plan and route to funding, in sensible stages if that helps a decision get made. Agree in advance who owns delivery, reporting and follow-up. If capital is the blocker, PowerPacks explores flexible financing so a good scheme doesn't die at the funding stage. Heat recovery: sequence the decision before buying kit The practical order is simple: 1. Measure actual energy use, heat sources and demands. 2. Model the demand across operating hours, shifts and seasons. 3. Cascade available heat to the demands it can serve, checking temperature and timing. 4. Size equipment against the real load profile, not nameplate capacity. 5. Meter the recovered heat, useful output and parasitic energy. 6. Verify performance against a properly adjusted baseline and report what changed. Data comes before kit. That is how you make a decision the facilities team can operate, the sustainability team can report and the finance team can scrutinise. Most sites are being reactive: paying to make heat, throwing it away, then paying again to make more. The cheapest source of capital is the energy you are wasting. Not sure where you sit? Start with the free Energy Health Check and find out what your building is actually doing. If you want to talk through a heat recovery opportunity, email andrew@hawleyenergy.co.uk or call 01484 958761 to arrange a no-pressure 30-minute call. No sales pitch, no slide deck. Bring your plant room and I will bring the questions. if you want to read more, click here: https://www.hawleyenergy.co.uk/wyms
Read article ↗17 September 2026
Calderdale Current: Flexible Contributions for a Tougher Energy Market
Calderdale Current: Flexible Contributions for a Tougher Energy Market Energy costs keep finding new ways to make themselves noticed. Wholesale prices move around. Network charges are rising. Policy costs are being added to bills. Operating costs are climbing across the board. For businesses and charities in Calderdale, the energy bill is no longer just another line in the accounts. It can decide whether a project gets started, whether a service is expanded, or whether money is held back for a rainy day. That is why we have changed Calderdale Current. Previously, the community contribution was fixed at 0.5p for every kilowatt-hour of electricity used. Customers in Calderdale are now given an offer with no community contribution built into the rate - you decide whether to include one, and at what level, then asked to consider what is affordable for their organisation. The contribution can be set anywhere from 0.1p per kWh up to 0.5p per kWh. The customer chooses. That may sound like a small change. It is not. It is the difference between imposing a model and listening to the people the model is supposed to serve. Calderdale Current: Energy buying with a local purpose Calderdale Current is a local energy-buying scheme for organisations with a genuine commercial site and energy bill in the Calderdale and Halifax area. Supply is arranged through Hawley Energy and Baseline Power as your broker. Your electricity rate can include a clearly disclosed community contribution that you choose - anywhere from 0.1p to 0.5p per kWh, or none if you prefer. The agreed contribution is included in the rate you pay to the energy provider, alongside Hawley Energy's clearly disclosed commercial uplift. Hawley Energy receives its commission from the provider, which reflects those agreed amounts, and the community-contribution element is passed to the Community Foundation for Calderdale. Electricity participation is what starts the grant eligibility clock; gas does not contribute to the fund. The fund is managed independently by the Community Foundation for Calderdale, which decides eligibility, award levels and project approval. The fund must reach £10,000 before grant applications open. Organisations must also keep their supply contract for at least six months before they can apply. Subject to the Community Foundation’s own criteria and decisions, eligible applicants may include: - Charities - Private companies - Community interest companies - Non-profit organisations The grants are intended for practical energy-saving, carbon-reduction and environmental measures. This is not a general business-cost support fund. It is designed to help organisations improve the way their buildings and operations use energy. That might mean tackling waste, improving controls, upgrading inefficient equipment or delivering another project that supports energy reduction and environmental improvement. The important point is that the fund turns energy consumption into local potential. Every kilowatt-hour used can help build a pot that supports better buildings and lower carbon in Calderdale. The change: no fixed levy, just a sensible conversation A fixed 0.5p per kWh contribution made sense when the market felt less punishing. It does not feel less punishing now. For an organisation using 100,000 kWh of electricity a year, a contribution of 0.5p per kWh would mean £500. At 0.1p per kWh, it would mean £100. Both contributions matter. The right answer depends on the organisation, its margins, its priorities and what it can genuinely afford. We do not want Calderdale Current to become another fixed overhead that makes people step away from local participation. So we have changed the model. We provide the offer with no community contribution built into the rate - you decide whether to include one, and at what level, then ask the customer to consider the level that works for them. They can choose a contribution from 0.1p per kWh to 0.5p per kWh. That is not a clever sales trick. It is a practical response to the market. A scheme only works if people can take part. If the contribution is set too high for the current conditions, some organisations will quite reasonably decide not to join. That means less local participation and a slower-growing fund. We would rather flex the model and keep organisations involved. The market: the energy bill is more than wholesale power The wholesale price still matters, of course. But it is no longer the whole story, and pretending it is can lead to poor decisions. Around 58% of delivered business electricity costs now comes from non-energy components, according to market reporting and forecasts. These include network charges, balancing costs and policy-related costs. Non-commodity costs have risen sharply for 2026/27, with further increases largely locked in for 2027/28 as network investment continues. The exact impact varies according to site, location, consumption profile, contract and tariff structure, but the direction is not particularly mysterious. The pressure is coming from several places: - TNUoS, the cost of using the transmission network - DUoS, the cost of using local distribution networks - BSUoS, the cost of balancing the electricity system - Capacity Market charges - Contracts for Difference costs - The Nuclear Regulated Asset Base levy - Wider network investment and policy charges Ofgem’s RIIO-3 price control provides around £28.1 billion of baseline network funding between 1 April 2026 and 31 March 2031. That investment is needed to modernise and expand the networks, particularly as demand grows and the country electrifies more heating, transport and industrial activity. It also has to be paid for. For businesses, the result is a cost stack that can feel increasingly difficult to read. One charge rises while another changes shape. A bill can look broadly familiar while the underlying economics have shifted. Cornwall Insight reported in August 2026 that business energy bills for small industrial and commercial users have risen by around 25% since February 2026, driven largely by wholesale prices. Other reporting has put the increase for charities and small businesses at around 12%, depending on the organisation and its energy profile. These are not identical comparisons, and no single figure will describe every Calderdale organisation. A warehouse, a community centre, a manufacturer and a charity shop will all experience the market differently. But the message is clear: energy costs remain structurally high, and energy-intensive industries eligible for exemption schemes account for around 10% of UK non-domestic electricity consumption - so the large majority of business energy use receives no policy support of that kind. That is why every half-penny deserves a proper conversation. Rising operating costs change what is affordable Energy is only one pressure. Rent, wages, insurance, materials, transport, maintenance and finance costs are all competing for the same budget. Charities are trying to protect frontline services. Businesses are trying to retain staff and invest in growth. Community organisations are often doing more with less. A contribution that looked manageable in a softer market can feel different when everything else has risen around it. This is where good intentions can become unhelpful if they are not tested against reality. We want Calderdale Current to create local benefit, but we also want it to respect the position of the organisation joining it. If customers are forced to choose between a community contribution and keeping an important service running, the model has missed the point. The revised structure gives customers room to make a decision that fits their circumstances. Some may choose 0.1p per kWh. Some may choose 0.25p. Others may still choose the full 0.5p. There is no prize for choosing the highest figure. The strongest contribution is the one an organisation can sustain. Reporting matters because buildings lie Most organisations know roughly what they spend on energy. Far fewer can explain what is driving that cost. Buildings lie. A site may appear efficient because the annual bill has fallen, when the real reason is a mild winter or lower occupancy. A building may appear expensive because prices have risen, when the real opportunity is a refrigeration system running overnight or heating controls fighting against ventilation. This is where reporting becomes useful. Before making a decision, look at: 1. Your latest 12 months of electricity bills. 2. Annual consumption in kWh, not just the total cost. 3. Half-hourly data, if available. 4. Out-of-hours consumption. 5. Changes in occupancy, opening hours or equipment. 6. The projects you keep postponing because nobody has identified the next practical step. Reactive effort is expensive. People spend time chasing bills, responding to tariff changes and dealing with urgent faults, while the useful work gets pushed into next quarter. The cheapest source of capital is the energy you are wasting. Calderdale Current is not a replacement for good energy management. It is one way to connect sensible energy buying with the opportunity to improve the building afterwards. What should you do next? If you are a Calderdale or Halifax-area business, charity, CIC or non-profit, bring us three things: - Your latest energy bills - Your annual electricity consumption - The energy-saving or environmental project you keep postponing We can talk through whether Calderdale Current is suitable, what contribution level may be affordable and what the six-month condition means in practice. There is no promise of a grant, because eligibility, award levels and project approval sit with the Community Foundation for Calderdale. There is no promise that every project will qualify. There is, however, a straightforward conversation about the supply arrangement, the contribution model and the kind of project the fund is intended to support. You can read more about Calderdale Current here. You can also complete our Energy Health Check. It is a practical starting point if you want to understand what is driving your energy costs, where reporting is weak and which opportunities deserve attention first. Bring the bills. Bring the awkward questions. Bring the project that has been sitting on the list for too long. We will start there. You can find out more about Hawley Energy at https://www.hawleyenergy.co.uk or call us on 01484 958761.
Read article ↗7 September 2026
Measure Before You Change: Why Energy Monitoring Comes First for Every Business
Measure Before You Change: Why Energy Monitoring Comes First for Every Business Most businesses want to reduce energy use. They want lower bills, fewer emissions and a credible route to net zero. Some start with solar. Others replace lighting, install heat pumps or launch a staff awareness campaign. All sensible ideas. But there is a step that comes before all of them. It is less exciting, rarely photographed for a brochure and often skipped entirely. Measure what is happening now. Energy monitoring is not just for big businesses There is a persistent idea that energy data analytics for business is something reserved for large corporates with huge estates, dedicated sustainability teams and more meters than people. That is nonsense. A smaller business can waste just as much energy proportionally as a larger one. An office with three sites can leave heating running overnight just as effectively as a national property portfolio. A warehouse can carry unnecessary baseload power whether it has 20 employees or 2,000. The scale changes. The principle does not. If you do not know where your energy is going, you are guessing. You may spot an obvious issue, but you will miss the quieter problems: - Equipment running outside occupied hours - Heating and cooling fighting each other - Sudden changes in baseload power - A meter or invoice that does not reflect actual consumption - One site performing very differently from the others - A project that appears to save energy but does not Buildings lie. They hide waste behind normal operations, changing weather, production levels and the simple fact that nobody is looking closely enough. Monitoring gives you somewhere solid to start. Savings are the absence of energy use This is where measurement and verification becomes important. You cannot directly measure energy savings. You can measure the electricity or gas being consumed. You cannot put the saving on a scale because it is the energy that would have been used but was not. The basic logic is straightforward: Savings = baseline energy use minus actual energy use, adjusted for relevant conditions. That is the foundation of the International Performance Measurement and Verification Protocol, commonly known as IPMVP. The adjustment matters. If your building used less energy this month, was that because of a successful project, or because the weather was warmer, the factory ran fewer shifts or half the office was empty? A proper baseline helps separate those things. Without it, the conversation becomes anecdotal: “We installed new controls and the bills look better.” “People are switching things off.” “The solar is generating well.” Perhaps. But compared with what? And adjusted for which conditions? That is why monitoring must happen before the change, not after it. Enerlyse is designed to provide that connective tissue: establishing a usable before-baseline, keeping the reading going while changes are made, and checking performance afterwards. Not as a shiny dashboard for its own sake. As evidence. Start with evidence, then change behaviour Once you can see the pattern, behaviour becomes much easier to address. This is not about blaming people for leaving a light on. It is about making the consequences of everyday decisions visible. A facilities team may discover that a building is using significant power for several hours before anyone arrives. A tenant may find that meeting-room ventilation is running all weekend. A production manager may see that equipment is being left in standby because nobody owns the shutdown process. These are not abstract carbon problems. They are operational problems with operational solutions. Good feedback tends to have three characteristics: 1. It is frequent. Annual reports do not change daily decisions. 2. It is specific. “Use less energy” is weak. “This building is using 22% more power overnight than last month” is useful. 3. It leads to action. Data without an owner becomes wallpaper. The evidence around behaviour change is encouraging, but it needs to be treated honestly. Well-designed trials can produce savings in the region of 5% to 15%. At scale, results are often lower because interest fades, responsibilities are unclear and the original baseline disappears. The Carbon Trust reports that engaging staff and changing behaviour can deliver savings of approximately 5% to 10%. Its wider guidance also points to around 10% savings from good housekeeping, training and low- or no-cost actions. That is worthwhile. But it is not magic. Behaviour change works best when people can see what is happening, understand what they can influence and receive feedback often enough to stay interested. Monitoring keeps everybody honest, including me and you. That only works if the reporting is right. A monitoring programme lives or dies by who sees what, when. The same data set should not be dumped on everybody in the same format and hoped for the best. Boards, finance teams, facilities managers and site champions do not need the same level of detail, and they definitely do not act on the same triggers. For boards and finance, reporting needs to be brief, commercial and decision-ready. They want total delivered cost, exposure to risk, compliance position, capital asks and what changed since last quarter. Usually that means a one-page quarterly summary, not a fifty-tab spreadsheet. A useful board line might be: “Q2 delivered energy cost is 9% below baseline-adjusted expectation, reactive charges remain on two sites, and a £38k controls upgrade is forecast to pay back inside 18 months.” Operational stakeholders and facilities teams need a different tone. They need exception reports, alarms, drift and a list of what to fix this week. That might read more like: “Warehouse AHU-2 ran for 31 hours outside schedule last week. Night baseload at Site B is 18 kW above norm. Check time schedules, stuck dampers and weekend override settings.” Then there are the energy champions and wider teams on the journey. They need frequent feedback, visible wins, comparisons and enough momentum to keep people interested. That can be lighter and more motivational without becoming fluff: “Nice result: first-floor overnight use is down 14% versus last month after the shutdown reset. Site C is now leading the group. Let’s close the gap on meeting-room kit next.” Same data. Different audience. Different language. Same purpose: action. The IEA’s analysis makes the wider point. Behaviour change contributes roughly 18%, or about one-fifth, of the avoided final energy demand in its analysis of action needed by 2030. People matter. Culture matters. But neither should be used as an excuse to avoid measuring performance. Lord Kelvin is often quoted as saying, “If you cannot measure it, you cannot improve it.” Peter Drucker is credited with the similar line, “If you can’t measure it, you can’t manage it.” There is a useful warning from W. Edwards Deming, too: not everything that matters can be measured, and not everything that can be measured matters. That is the sensible position. Measure what helps you make better decisions. Do not measure for the sake of creating another report. Technology next: low-risk upgrades before generation Only after you understand demand and tighten up behaviour should you start spending on technology. This is where a lot of sites miss the best early opportunity. They jump straight to generation because solar is visible, battery storage sounds modern and heat pumps make a better photo than a corrected time schedule. But the cheapest source of capital is the energy you are wasting, and a fair chunk of that opportunity sits in practical, quick-payback technology rather than major generation. The sequence matters. If your data shows a controls fault, the answer is not automatically more plant. If it shows a bloated baseload, the answer may be lighting, drives, controls logic or shutdown discipline. If it shows genuinely short, sharp peaks, then the conversation may move toward demand management, storage or supply-side investment. The data tells you which technology is likely to pay, and which shiny project can wait. This middle technology phase is usually where the safest wins sit: - Thermostats and heating/cooling controls. Bad setpoints and poor scheduling quietly burn money. As a rule of thumb, reducing a heating thermostat setpoint by 1°C can cut heating energy by around 3% to 8%, depending on building type, control quality and occupant behaviour. - LED lighting. The LED market has moved on quickly. When replacing older fluorescent or discharge fittings, LED upgrades typically cut lighting energy by around 50% to 75%, and up to 80% in some applications. But there is another angle now: if a site installed LED fittings up to around five years ago, those early-generation fittings are often starting to dim and lose efficiency, so a modern equivalent can still unlock further improvement even where LED is already in place. - Variable speed drives. On fans and pumps, variable speed drives commonly save around 20% to 50% of motor energy where loads vary and the existing system is effectively running flat out when it does not need to. - Power factor correction. This will not reduce your kWh consumption in the way lighting or controls can, but it can remove reactive-power charges where they apply and improve electrical capacity headroom. - Building management systems. Sometimes the answer is not new equipment but making the existing kit behave properly, consistently and at the right times. None of those measures should be sold as universal medicine. They are application-dependent. Some sites will do brilliantly from LEDs and almost nothing from power factor correction. Others will have a controls mess that dwarfs every other opportunity. That is exactly why baseline data matters. And this is the bit too many firms leave hanging. The report identifies the fix, then the client is left holding a shopping list. That should not be how it works. Enerlyse shows what to fix. Then our Projects team can design and deliver the intervention: coordinated design, specification, installation oversight and verification, so the organisation is not left trying to translate data into engineering action on its own. If the evidence points to controls, LEDs, drives, power factor correction or BMS work, the next step is not guesswork. It is proper delivery, checked back against the baseline. A practical sequence now looks like this: 1. Measure the current position. Check bills, meters, baseload, operating hours and site differences. 2. Build a reliable baseline. Account for weather, occupancy, production and other material changes. 3. Change behaviour and operation. Fix schedules, setpoints, shutdown routines and ownership. 4. Target low-risk technology. Prioritise controls, LEDs, drives, power factor correction and BMS improvements where the data supports them. 5. Design and deliver the intervention. Turn the finding into a coordinated engineering project with clear scope, specification and oversight. 6. Verify the result. Compare actual performance with the adjusted baseline. 7. Then look at renewables and major generation. Size solar, storage, HVAC or other projects against real demand. 8. Keep monitoring after installation. A project is not successful merely because it has been installed. The IEA describes energy efficiency as the “first fuel” because avoided energy demand is often one of the quickest and most cost-effective ways to reduce bills, emissions and energy security risks. Every unit you avoid using creates room to fund the next improvement. This is also why energy management systems such as ISO 50001 put so much emphasis on baselines, energy performance indicators, monitoring and continual improvement. Evidence from certified sites and multi-site programmes commonly shows annual energy performance improvements of around 3% to 4%, with improvements persisting over several years when the management system is maintained. The important word is maintained. And maintained means reported properly. Enerlyse fits here as connective tissue rather than sales theatre: baseline first, ongoing reading during delivery, then the after-check to confirm what actually changed. If the reporting cadence is wrong, the whole thing goes soft. If the right people see the right version of the truth at the right time, improvements stick. A one-off audit can identify opportunity. A living system helps you keep it. The cheapest source of capital is the energy you are already wasting That line is not a slogan I use because it sounds clever. It is a practical financing principle. The opportunity is already there. The money is often sitting inside your own data, waiting to be found and redirected into the changes you actually want to make. Before borrowing money for generation, equipment or infrastructure, look at the energy you are paying for without getting useful output. Capture that opportunity first. It strengthens the business case for everything that follows. The broader opportunity can be material. Carbon Trust guidance supports 5% to 10% savings from monitoring and targeting, with low- and no-cost action often adding around 10% in suitable circumstances. Across a poorly controlled building or estate, the total opportunity can reach 15% or more, although nobody should promise that figure without seeing the data. That is the point of a proper business energy efficiency strategy. Not to promise a generic percentage. To find out what is true for your buildings, turn that into a measurable opportunity, then act on it. If you want to start sensibly, make the next step a review of your current data: bills, meter coverage, operating hours and any existing submetering. From there, you can decide whether you need better monitoring, immediate operational changes or a properly sized capital project. If you want to know how your buildings score, the Energy Health Check takes two minutes: https://www.hawleyenergy.co.uk/assessment If the data already points to a fix, that is where the engineering piece matters. Enerlyse shows what to fix, and our Projects team can then design and deliver the intervention, oversee installation and verify the outcome against the baseline, so you are not left with a report and a to-do list. You can also read about how Enerlyse fits into Hawley Energy’s services, or talk to us about your current energy position. You can find out more about Hawley Energy at https://www.hawleyenergy.co.uk or call us on 01484 958761.
Read article ↗31 August 2026
Welcome to the New Hawley Energy: Buildings Lie. Your Data Doesn't.
Welcome to the New Hawley Energy: Buildings Lie. Your Data Doesn't. A new front door: Less noise, better decisions The Hawley Energy website has had a proper rebuild. Not a lick of paint. Not a new set of clever words wrapped around the same old thinking. This is Hawley Energy v2. It reflects how we actually work with organisations now: starting with evidence, making sense of the problem, then helping clients take the right action. Monitoring. Compliance. Procurement. Infrastructure. Projects. Finance. One connected route, rather than six disconnected conversations. The front door to that route is Enerlyse. Because before you change a contract, install a heat pump, apply for a bigger grid connection or plan a decarbonisation strategy, you need to know what your building is doing today. That sounds obvious. It is not how most organisations operate. Buildings lie: Your bill only tells part of the story A building can look completely normal while wasting money every hour. The lights are on. The heating works. The cooling seems fine. Nobody is complaining. The bills arrive, get approved and disappear into the finance system. Then one day there is a spike, a failed system, a compliance question or an uncomfortable board meeting. Everyone scrambles. Facilities investigates. Finance searches for old invoices. Operations asks whether anything has changed. Sustainability tries to calculate the carbon impact. Someone opens a spreadsheet last touched in 2022. That is reactive effort. It costs you twice. Once in wasted energy, and again in wasted time. The building does not tell you that heating and cooling are fighting each other. It does not announce that plant is running overnight. It does not highlight a refrigeration fault or show that your baseload power has crept upwards over three years. The bill is not a diagnosis. It is the aftermath. This is why I keep saying: buildings lie. Your data does not. Well, mostly. Data needs to be collected properly, checked, interpreted and connected to what is happening on site. A dashboard full of coloured lines is not insight. It is a screensaver with ambitions. Enerlyse: Evidence before action Enerlyse is the connective tissue in our new approach. It brings together utility data, half-hourly consumption, invoice information, live monitoring and analyst-led reporting. More importantly, it gives those numbers a narrative. What changed? When did it change? Which site, system or operating pattern is responsible? What is the financial impact? What should happen next? That is the difference between energy data analytics for business and simply having access to a portal. We use Enerlyse to identify abnormal consumption, validate invoices, track budgets, support SECR and ESOS reporting, measure carbon performance and verify whether energy projects are delivering what they promised. It is not self-service software that leaves you alone with a login and a monthly report. Our people review the data, investigate the exceptions and explain the practical meaning. We turn “something looks odd” into “this is what is happening, this is why it matters and this is what we recommend doing about it”. I believe energy advice should not end with a report. It should lead to a decision. That decision should lead to action. And that action should be measured afterwards. Otherwise, what was the point? Monitoring first: The front door to the whole energy problem Monitoring is not one service sitting alongside everything else. It is the starting point for everything else. Procurement needs evidence Baseline Power helps organisations buy energy with clearer pricing, transparent fees and a strategy that makes commercial sense. But procurement is stronger when it reflects the way your estate actually operates. Consumption patterns, peak demand, seasonal changes and site performance all matter. Without that evidence, you are buying based on assumptions. ESOS needs more than a deadline ESOS matters. We have helped organisations navigate the scheme since it began. But ESOS is one spoke of the wheel, not the gate to the whole energy strategy. Compliance should not be the only reason you look at your buildings. The best ESOS work gives you a defensible account of performance and a prioritised set of actions. The worst becomes another report filed away until the next deadline. Enerlyse gives you the evidence to make compliance useful rather than merely complete. Infrastructure needs a proper demand model Electrification is not just a matter of choosing equipment. Heat pumps, EV charging and battery storage all affect electrical demand. DNO applications can take 12 to 18 months. Internal distribution upgrades can introduce further cost, disruption and risk. You need to understand your current load profile before modelling the future one. That means monitoring first. Then demand modelling. Then a sensible plan for the grid, the building and the budget. Projects need measurement before promises Whether the answer is LED lighting, HVAC optimisation, refrigeration improvements, solar PV, heat pumps or battery storage, the starting point should be the same. What is the building doing now? What is the likely saving? What will change operationally? How will we verify the result? Enerlyse makes that chain visible. It helps us move from evidence to design, from design to delivery and from delivery to measured performance. Finance needs a credible business case A worthwhile project can still stall because the capital is not available this quarter. PowerPacks exists to help organisations explore flexible financing for energy and decarbonisation projects. But finance works better when the savings case is based on actual data rather than optimistic guesses. The cheapest source of capital is the energy you are wasting. Find the waste first. Then decide how best to put the recovered value to work. Evidence then action: Start with the boring stuff The first step is rarely glamorous. It is usually checking the data. Here is where I would start with any substantial commercial estate. 1. List every site and meter. Confirm what each meter serves, who owns the data and whether there are gaps. 2. Check the bills against the contracts. Look for incorrect rates, estimated reads, missing sites, duplicated charges and unexplained changes. 3. Review baseload power. Compare overnight, weekend and holiday consumption. Buildings should not operate at Tuesday lunchtime levels when they are empty. 4. Look for patterns, not isolated events. A single high bill may be weather, occupancy or an operational change. A repeating pattern is more useful. 5. Connect consumption to reality. Compare energy use with opening hours, production, occupancy, weather and known plant changes. 6. Choose one action and measure it. Do not launch a 40-point improvement programme before proving what works. Fix one clear issue, track the result and build from there. This is not complicated. It is disciplined. The difficulty is that most teams do not have the time, data quality or specialist capacity to do it consistently across an estate. That is where an energy consultancy in the UK should earn its keep. Not by making the problem sound more complicated. By making the next decision clearer. The new Hawley Energy: Built around what happens next Hawley Energy v2 is a clearer expression of our job. We help organisations see how their buildings really use energy. We help them understand the financial and compliance consequences. We help them choose the right interventions, coordinate the moving parts and verify the outcome. No supplier agenda. No technology for technology’s sake. No report that quietly dies in a shared drive. Enerlyse is the front door because measurement comes before management. It gives us the evidence to make procurement cleaner, compliance more useful, infrastructure planning more accurate, projects more credible and financing more practical. The website is new. The principle is not. That’s what Enerlyse is for. We read your energy data, show you what’s hiding in it, and fix what we find, because the cheapest source of capital is the energy you’re already wasting. Take the Energy Health Check: Fifteen questions, one clear next step If you are responsible for a large estate, significant energy spend, ESOS obligations or a net zero target that needs turning into actual work, start with our 15-question Energy Health Check. It is designed to show where fragmented energy management may be creating wasted cost, reactive effort and compliance exposure. You do not need to prepare a perfect data pack. You do not need to know exactly what is wrong. That is the point. Take the assessment, see where the gaps are and use the result to decide what deserves attention first. if you want to read more, click here: https://www.hawleyenergy.co.uk/assessment You can find out more about Hawley Energy at https://www.hawleyenergy.co.uk or call us on 01484 958761.
Read article ↗16 August 2026
We Started a YouTube Channel: Meet @Enerlysing
We Started a YouTube Channel: Meet @Enerlysing We have started a YouTube channel. It is called @Enerlysing, and it exists for a fairly simple reason: we kept answering the same questions. What is an Energy Architect? What does half-hourly data actually tell you? Why is the building using so much power at night? Why does a grid connection take so long? What is the difference between reducing energy consumption and reducing maximum demand? These questions keep turning up on calls, in emails and around meeting tables. They are good questions. The problem is that the answers can get buried under jargon, spreadsheets and the sort of presentation where everyone nods politely while quietly wondering when they can leave. So we decided to stop repeating ourselves and build somewhere people can find the answers properly. Why we built Enerlysing: Useful beats glossy Energy content is often either painfully technical or so polished that it says almost nothing. You get plenty of impressive footage of solar panels, dramatic shots of wind turbines and someone in a hard hat pointing at a screen. What you do not always get is a straight answer to the question that matters: “What is actually happening in my building, and what should I do about it?” That is what we want Enerlysing to focus on. We have built a studio so we can explain the things we spend our working lives dealing with. Not with glossy corporate filler. Not with sales pressure. Not with a load of technical language designed to make a simple idea sound important. Just practical insight from people who work with commercial buildings, energy data, compliance, procurement and infrastructure every day. As I put it: “We kept answering the same questions on calls and emails, so we decided to stop repeating ourselves and make something you can watch, share and come back to.” That is the point of the channel. You should be able to watch a video, understand the issue, and know what to check next. The Energy Architect philosophy: See the whole building The phrase “Energy Architect” can sound grand. It is not meant to be. It describes how we think about energy. An architect does not design one corner of a building while ignoring the rest. They consider how the structure, services, people and purpose all fit together. They think ahead, coordinate the moving parts and make sure the finished result works as intended. Energy strategy needs the same treatment. Energy procurement cannot sit in one corner. Compliance cannot sit in another. Building performance, grid capacity, decarbonisation and project delivery all affect one another. If you install new equipment without understanding the building’s demand, you can create a new problem. If you plan electrification without checking grid capacity, you may be waiting a very long time before the project can proceed. If you produce a compliance report without turning the findings into action, you have documented the problem rather than solved it. Our Energy Architect approach is about joining those pieces up. We start with evidence, understand how the building behaves, then build a practical route from where you are to where you need to be. Enerlysing will bring that thinking to the screen. What we will cover: The questions behind the numbers The channel will cover a mixture of practical how-to guides, explainers, technical conversations and behind-the-scenes content from Hawley Energy. Here are some of the areas we will be exploring as the channel grows. Energy efficiency: Find the waste before buying the solution Before anyone talks about solar panels, heat pumps or new controls, we need to understand what the building is doing now. That means looking at baseload power, operating schedules, out-of-hours consumption, heating and cooling patterns, meter data and the relationship between energy use and occupancy. We will show you what to look for and why it matters. Sometimes the first energy-saving measure is not a large capital project. It is changing a schedule, correcting a control setting or finding out why equipment is running when nobody is there. That is not glamorous. It is often effective. Our Enerlyse platform is built around making that information usable. The channel will explore the thinking behind the data, not just wave a dashboard at you and call it insight. Compliance: Turn the deadline into a useful prompt Energy compliance can feel like another box to tick. It should be more useful than that. ESOS, SECR and other reporting obligations create a reason to look properly at how your organisation uses energy. The value is not just in submitting the report. It is in understanding what the evidence is telling you and deciding what to do next. We will explain the practical side of compliance, including common mistakes, what good evidence looks like and how organisations can avoid scrambling at the last minute. There is already plenty of information available about the rules. We want to focus on what those rules mean when you are responsible for a real estate portfolio, a busy facility or a board asking for progress. For further written guidance, you can also explore the Hawley Energy blog. Power infrastructure: Make electrification work in the real world Decarbonisation is not just about choosing a lower-carbon technology. It is also about power. As organisations electrify heating, transport and industrial processes, demand can increase quickly. That can affect maximum demand, connection requirements, equipment choices, project timescales and the capacity available from the local distribution network. DNO applications are not always quick. Grid constraints are not theoretical. They can determine whether a project moves forward this year, next year or much later. We will talk about demand modelling, power infrastructure and the practical issues that sit behind the headline ambition. The aim is to help businesses ask better questions before they commit to a design or a delivery programme. Our first videos: Start with the fundamentals One of our featured videos is Hawley Energy: Strategically Designed. Professionally Delivered.. It gives you a useful introduction to how we work and why we describe ourselves as Energy Architects. It also sets out the problem we see repeatedly: organisations doing plenty of energy-related activity, but without the joined-up view needed to create strategic progress. That distinction matters. A consultant can identify a problem. An Energy Architect helps make sure the next decision does not create another one. The Enerlysing channel builds on that introduction with practical content as the channel develops. We will talk through the decisions, mistakes and opportunities that sit behind better-performing buildings. There will also be some honest behind-the-scenes material as we get the studio up and running. We are not pretending to be a production company. We are energy people who have put cameras in a room and decided to give it a go. That should make for an interesting journey in itself. What makes the channel different: No sales pitch required The channel is not going to turn every video into a disguised consultation. If something is useful, we will explain it. If something is complicated, we will say so. If there is no single answer, we will not pretend there is one just to make the video tidier. Energy decisions are rarely isolated. The right answer depends on the building, the operating pattern, the available data, the budget, the grid and the outcome you are trying to achieve. We will keep the language clear and the advice practical. “Energy is too important to leave trapped in reports that nobody reads. We want people to see what is happening in their buildings and feel confident about what to do next.” That is the ambition. Not to make energy sound exciting for the sake of it. Not to make every problem look easy. To make the important stuff easier to understand and harder to ignore. Start watching Enerlysing: Follow the conversation If you work in facilities, estates, finance, sustainability or operations, the channel is for you. If you are responsible for a building that consumes a serious amount of energy, it is for you. If you have ever looked at a bill and thought, “That cannot be right,” it is definitely for you. Start with @Enerlysing on YouTube, watch the featured introduction, and keep an eye out for practical explainers on energy efficiency, compliance, baseload power, decarbonisation and the infrastructure needed to make progress. We will keep adding new videos as the studio develops and as the questions keep coming in. Because they will keep coming in. Buildings are complicated, energy is becoming more important, and guesswork is getting more expensive. The good news is that the first step is usually straightforward: find out what is really happening. Then decide what to do about it. And remember: the cheapest source of capital is the energy you are wasting. Watch. Understand. Know what to check next. if you want to read more, click here https://www.youtube.com/@Enerlysing
Read article ↗