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The National Energy Foundation is anindependent, national charity based in MiltonKeynes and has been at the forefront ofimproving the use of energy in buildings since1988. We aim to give people, organisationsand government the knowledge, support andinspiration they need to understand and

improve the use of energy in buildings. In delivering our 2016­17 impacts, weinvested over £150,000 (alongside partnerfunding) in outreach and developmentactivities: supporting the development ofpolicy, strategy and standards in the UK andinternationally; inspiring and informing

individuals and companies ranging fromhouseholders to energy managers of majorcorporates; supporting individual projects inand with communities; carrying out researchand development into the many factors thatcontribute to improving the use of energy inbuildings.

Impact Report2016-17

We managed one of the 24 Green DealCommunities projects delivered acrossEngland to promote the Green Deal with a focus on insulating hard­to­treatproperties.We were appointed by South Bucks DistrictCouncil on behalf of a partnership of 14local authorities across Buckinghamshire,Oxfordshire and Hertfordshire, and we:

Managed the grants from the DECC(BEIS) Green Deal Communities Fund andall the councils.Produced grant application forms, showhome applications, template invoices andguidance for installers.Developed a marketing plan and relatedcollateral, ran ten show home compet ­itions and liaised with local communitygroups to promote the scheme.Procured suppliers.Negotiated with DECC on grant levels,target numbers and the widening of thefunding criteria.Liaised and negotiated with DECC, andreported on progress.Liaised between clients, the localauthorities and all the contractors.

Managed the Project Board and riskregister.Carried out post­installation customersatisfaction surveys.Wrote the interim and final evaluationdocuments for DECC.

By its end, the project involved:577 installs, of which 423 were solid wallinstallations and 154 were other energyefficiency measures.813 Green Deal Assessments/EPCs.£2.17 million of DECC­funded grants.A total spend of £4.3 million on installs.Working with 58 installers.

Learning from GreenDeal CommunitiesWe also jointly held an independent‘learnings event’ to record and disseminatethe lessons learnt from the scheme, andpublished a report of recommendationsand suggestions around:

The biggest challenges, includingprogramme design, interactions withBEIS, changes to national policy andmanaging procurement rules.

The problems encountered and thesolutions developed by different localauthorities, with a focus on programmesetup, planning and procurement,customer engagement and measuresdelivery.How future solid wall insulation projectscould be designed in a world with little orno subsidy.

Public sector energychampions awardWe were delighted to win the LocalAuthority/Community category in the2016 Public Sector Energy &Sustainability Awards. The winning entrywas our Green Deal Communities project.

Carbon Offsets – back on the table?Carbon offsets were first introduced underthe Kyoto Protocol, but soon got a blackmark from environmentalists. Too manyseemed to focus on low­cost actionstargeting industrial gases other than carbondioxide, and seemed to reward factories inAsia for taking actions that made soundeconomic sense. So, why are they now backon the table?Firstly, there has always been a recognitionthat it is sometimes sensible (cheaper, easierand yet still additional) to use locally­generated offsets rather than trying tosqueeze out the very last tonne of emissionsfrom a new building. With the ending of thenational zero­carbon homes policy, localauthorities that had previously agreed a net­zero­carbon target for new homes in theirlocal plans are looking at alternatives. One route is through a Carbon Offset Fund. Weworked with Milton Keynes to pioneer this a

decade ago, setting a £200 cost per tonne ofcarbon, equivalent to £20 a tonne over 10years. Although slightly more expensive thaninternationally­traded offsets, it has producedadditional benefits, such as improvingresidents’ comfort and supporting renewableenergy locally, while facilitating hundreds ofmeasures saving over 6,000 tCO2e annually. Tenyears on, we continue to manage the CarbonOffset Fund on behalf of Milton Keynes Council.More recently, in Whitehill & Bordon we haveworked with East Hampshire District Council,sitting on its carbon offset board and proposing,evaluating and helping select projects that helpdeliver the zero­carbon expansion of the area.The second reason is a growing recognitionby cities that they need to be part of thesolution to climate change, and can’t wait fornational governments to act. During 2016­17,we worked with the Greater LondonAuthority (GLA) and individual localauthorities to identify ways in which carbon

offsetting could help. The GLA had a policy requiring LondonBoroughs to set up carbon offset funds as partof its zero­carbon home strategy. We identifiedbest practice for funds, and mapped theactions taken so far within the 33 boroughs. We also worked with Three Rivers DistrictCouncil, reviewing options for achievingcarbon neutrality from its own operationsthrough actions such as maintaining itsexcellent record in energy efficiency, buyinggreen electricity, sequestering carbon locally,buying traded offsets and establishing acarbon offset fund.

Ian Byrne,Deputy ChiefExecutive

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Green Deal Communities projectSandra Hayes, Principal – Households and Communities

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Solar shading using blinds, shutters andawnings has a pivotal role to play in thefuture of the UK’s building stock but aninvestigation we undertook for the BritishBlind and Shutter Association (BBSA) foundthat this is poorly understood, both byconstruction professionals and buildingoccupants.Our Solar Shading Impact report was anevidence­based investigation into thecurrent and potential impact of solar shadingin the UK built environment. It found thatrising energy costs and climate change,combined with efficient, modern ‘eco’designs, make solar shading a key issue bothnow and in the years ahead for architects,builders and occupants of buildings.The report called on the constructionindustry to consider solar shading as part of

a building’s overall design strategy ratherthan as an optional, remedial ‘afterthought’,concluding: “It is generally recognised thatconsidering solar shading at an early stagein design makes it easier to integrate withother parts of the building – ultimatelymaking it more successful. The effects ofsolar shading go far beyond reduced glareand overheating.”The report also:

Confirmed the benefits of solar shading interms of savings in energy costs, in bothwinter (increased night­time insulation)and summer (combatting overheating).Identified the role of solar shading inmaintaining and improving the comfort ofthose using the space.Called on the Government to consider taxbreaks and other financial incentives for

shading products.Urged the shading industry to unite andstep up efforts to better communicate theadvantages of its products to architects,specifiers and constructors, while alsoeducating end users better.Identified an untapped market for retro­fitting shading systems.

We used the knowledge gained from thisinvestigation in a further piece of work forBBSA, resulting in us recommending betterlegislative guidance on solar shading in theApproved Documents of BuildingRegulations Part L, the Standard AssessmentProcedure (SAP) and the Simplified BuildingEnergy Model (SBEM).

Solar shadingSolar shading saves energy – but that’s just the start

By the end of March, 142 young people hadsigned up to Energy Envoys, our volunteeringscheme through which Duke of Edinburgh’sAward participants save money, energy andcarbon in their communities.All those who completed the scheme during2016­17 provided very positive feedback.Completed projects engaged an average of114 community members each, andresponses to our energy quiz showed that

participants’ average score increased from37% to 52% after volunteering.During the year, we focused on promotingthe scheme and raising awareness of howEnergy Envoys can make a difference. Wespent lots of time on the phone and postedover 7,000 leaflets to schools, DofE centres,licensed organisations and regional officesacross the country. Funding was secured fromGlasgow Airport’s Flightpath Fund to visitnine schools in the Glasgow area, and wevisited others in Edinburgh, Aberdeen, King’sLynn and Bedford. In total, we presented to550 students and four of the schools wevisited have now made Energy Envoys theirdefault DofE volunteering option.

Show homes – inspiration for domestic retrofitOur study findings launched in Marchdemonstrated the benefits of show homesin promoting energy savings throughretrofit and renovation, and called on thegovernment to provide additional support.Show Homes: An effective force for inspiringdomestic retrofit looked at how show homescan:

Raise public awareness of energyefficiency and renewable energymeasures.Generate interest among visitors to installsimilar measures in their own homes.Provide benefits for consumers and the

population as a whole, and contribute tomeeting the government’s carbonemissions targets.

The report also highlighted the effectivenessof our award­winning network of over 200SuperHomes as a beacon of inspiration. Finally, we challenged the government on itsseriousness about cutting carbon emissions,renovating our aged housing stock andreducing fuel poverty. It needs to addressthese issues, as well as stimulatingsignificant demand for energy efficiencyretrofit – an issue noticeably avoided by the2016 Bonfield Review (Each

Home Counts). What better way to do thatthan by supporting initiatives such as showhomes, with their proven effectiveness?

Federico Seguro,Senior EnergySpecialist

Gabby Mallett,Director ofHouseholds andCommunities

ASSEMBLE, our two­year productdevelopment project supportingTerOpta to develop its TeroLightenergy management product, wascompleted during the year. Two successful summertime trialsachieved 48% lighting energysavings at our offices, and 29% air­conditioning unit savings at theCostain building at its M1 J34construction site.

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In September, we launched Keeping KidsCosy, a new project aimed at families withyoung children living in areas of deprivationwho are struggling to keep their houseswarm and their energy bills down. Itprovides targeted outreach and builds onour established Affordable WarmthNetwork. The project offers small grants forenergy efficiency measures and insulation,and is working across the whole ofOxfordshire and Buckinghamshire.Keeping Kids Cosy is funded by Scottish PowerEnergy People’s Trust, is supported by localauthorities in the two counties and can offer:

Advice and guidance on reducing energybills, and heating a home affordably andefficiently.Small grants for energy efficiencymeasures such as draught­proofing,thermostatic radiator valves and LEDlightbulbs.

Advice and help with switching energytariff or supplier.Small grants which can be put towards acustomer contribution for ECO part­funded measures such as cavity wall andloft insulation.House­warming hampers full of energyefficiency products.Referral for further grants, financialassistance and income maximisationservices.

By the end of March, Keeping Kids Cosy hadalready had a significant impact:

Given advice and assistance on fuel bills,saving energy and keeping warm overwinter to around 1,000 people at outreachevents.Delivered training on fuel poverty and its

impacts on children’s health and wellbeingto 140 frontline staff.Attended more than 40 children’s centreevents.Provided 60 house­warming hampers tovulnerable families and those most in need.Provided funding towards the installationof thermostatic radiator valves, newboilers and double glazing.

The project runs until August 2017 and, as ofApril, we’ve started to provide funding forcustomer contributions for loft insulationunder the new ECO II Transition.

We perform well in ESOS audit checksAfter being told by some of our ESOSclients that a small number of the auditswe conducted for them had beenexternally audited, we were naturally keento find out how we’d done – especiallyfollowing a report in July 2016 revealingthat nationally two thirds of ESOS reportswere non­compliant.One client said that our ESOS evidence packswere well structured, making them easy forauditors to follow. This particular client wasso satisfied with our work that they’ve rec ­ommended us for ESOS auditing each timethey’ve been approached on the subject. With this glowing report behind us, we werealso encouraged by the fact that only two ofour audits had minor non­conformities, andthat they were readily rectified. The first wasbecause a revision to the company structurehad not been included. This was quickly andeasily modified and our energy auditspassed with flying colours. The second passed on the method we’dused and the energy­saving opportunitieswe’d recommended, but needed someadditional brief comments to help the clientunderstand the transport audit calculation

methodology we’d followed. Fortunately,the robust methods we use for producingESOS reports enabled us to rectify thiswithin 24 hours, much to the delight of ourclient. All our calculations and methodologystood up to the compliance tests, and thepredicted 15% savings (with a payback ofless than two years) were confirmed.Whilst we were disappointed that we hadn’tachieved a 100% record, it was verysatisfying to know that these two auditsonly needed minor remedial action, andthat they were rectified quickly. We wereequally pleased that being able to do thisdemonstrates our ability to help non­compliant ESOS audits achieve compliance. We are now working with clients whomissed the first ESOS period and thosepreparing for the 2019 deadline. To date, wehave identified further annual savingstotalling 32 GWh of energy, equivalent to acost saving of £3.1 million.

Thomas Whiffen,Senior EnergySpecialist

Recognition of ourquality managementwith ISO 9001In August, BSI awarded The FoundationISO 9001:2008 certification for ourQuality Management System. This was agreat achievement and provides externalverification and assurance to ourcustomers and project partners that weare placing their satisfaction at theforefront of our operations. Our questfor quality continues and we are alreadywell on the way to implementing stepsfor the transition to ISO 9001:2015, bySeptember 2018.

Richard Vale,Households andCommunities Project Officer

Keeping Kids Cosy

Assured Performance Process During the year, wecontinued the developmentand delivery of our AssuredPerformance Process (APP).This whole­system approachidentifies potential energy‘performance gap’ risks andmitigations at each stage of adevelopment from conceptthrough to handover. Thishelps to ensure that risks areminimised and managedthrough subsequent stages ofdelivery.All too often the actual energy performanceof new homes and buildings fails to meetthe intended design performance orstandards. Evidence from recentgovernment research shows that newhomes typically use at least twice as muchenergy as predicted at design.

The causes of this energyperformance gap occur atevery stage of development,from concept to handoverand beyond. APP is aprocess­oriented, riskmitigation approach thatidentifies performance gap‘contributors’ and eliminatesor reduces their negativeimpact on the performanceof the completed building atevery stage.The first development to

undergo all stages of APP is Quebec Park, atWhitehill & Bordon, in Hampshire. It’s anew development of 100 homes by Radianwith building contractor Drew Smith. EastHampshire District Council worked with NEFto pioneer the full implementation of APP,and residents will benefit from homes thatshould deliver the energy and carbonperformance they were designed to.We also produced CITB­funded pilot trainingmodules on APP, to upskill the site workforceat Quebec Park. These modules will providea lasting legacy as they will subsequently beoffered through the new Future Skills Centreserving the whole of the Whitehill & Bordondevelopment.

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Better Housing, Better Health – our schemeproviding advice and energy efficiencymeasures for people whose health might beimpacted by a cold or damp home – came toan end during the year.A total of £222,600 was offered throughBetter Housing, Better Health in grant fundingto 107 residents, and 500 people weresupported by the scheme’s Citizens Advicecaseworkers to check they are claiming thebenefits they are entitled to, to cut theirenergy bills and to manage any fuel debt. Having evaluated the project and produced afinal report, we found that Better Housing,Better Health could save the NHS £108,000per year, with wider annual savings to societyof £270,000. This suggests a direct paybackperiod for the NHS within two years withinvestments paying for themselves in under ayear if wider savings to society are taken intoaccount.In addition, 71% of grant recipients reportedan improvement in at least one health or

wellbeing measure and 69% reported areduction in use of at least one health servicethree months after having improvementsmade to their homes.This project enabled us to develop a proven,workable and effective model (ideally suitedfor busy professionals) and one which we caneasily replicate in other projects. We are keento continue making an impact in this importantarea, and welcome conversations with anyonewho can either provide access to funding or isinterested in working with us. Find out moreabout Better Housing, Better Health from theshort video on the NEF YouTube account.

AlexandraSteeland, Project Manager

Adam Tilford,Senior EnergySpecialist

Chief ExecutiverecognisedIn December, the work of our ChiefExecutive, Kerry Mashford, wasrecognised with the inaugural prize fromthe Institution of Mechanical Engineers,of which she is a Fellow. The new annualaward has been established to recognisea Mechanical Engineer for theircontribution towards engineering a moresustainable future.

Our ChiefExecutive, KerryMashford,contributed theopeningchapter inSustainableCities – a newbook thatoffersvaluableinsights foraddressingone of the key issuesconfronting us today – how we makeour growing cities sustainable. The book evaluates our urbanenvironments and assesses the progressthat is being made towards achievingurban sustainability. Kerry’s chapter focuses on energy use inbuildings and how this contributes tocity energy, both directly and throughsecondary effects such as exacerbatingthe urban heat island.

Sustainable Cities

Better Housing, Better Health

Registered providers of social housing havehad to contend with some challenging policychanges recently – not least the reduction ofrents by 1% per year through to 2020. Thesechanges have resulted in a mix of financialpressures and an increasingly complexoperating environment. At the same time,the drive to increase property developmentrates, diversify commercial services anddeliver substantial savings across operatingcosts have also contributed to thechallenging context.Despite this, our work with both new andexisting partners in the social housing sectorhas sought to help ensure that topics such asfuel poverty, health and environmentalconcerns remain top priorities. During thesummer of 2016, our State of the Nation:Low Energy Retrofit in Social Housing surveyprovided insights from over 170 registeredproviders who we estimate manageapproximately two million properties, 50%of the total social housing stock.

Encouragingly:84% of respondents cited reducing fuelpoverty as the main driver for retrofitting.85% of respondents stated that the mainsource of funding for their retrofitprojects came from their companies’ owninternal budgets.

However, at the same time:40% of social housing providers felt thatretrofit is actively championed at boardlevel.44% of registered providers had low tomedium confidence in data relating to theenergy efficiency of their housing stock,citing good data as vital in helping tomake the business case for retrofit.Most respondents’ organisations monitoronly up to 10% of their properties for preor post­retrofit performance factors.

The report identified the challenge ofmaking the business case for retrofit in theface of funding difficulties, competingpriorities and unclear policies. It alsohighlighted the need to bring data togetherfrom different areas and change the cultureof siloed thinking. We used insights from thesurvey to help develop our new serviceoffering (iAIM, see below) which takes ajoined­up approach to tackling fuel povertyand other issues facing registered providers,such as long void periods, complaints andaffordability.

Luke Smith,Principal EnergySpecialist

iAIM During the year, we successfully completedour 12­month iAIM feasibility project,which applied BIM Level 2/3 to thehousing stock of the Joseph RowntreeHousing Trust and culminated in asuccessful pilot of our performanceappraisal tool.Our tool scores a range of sustainabilityindicators (from profitability to levels of fuelpoverty, building energy efficiency andneighbourhood desirability) from 0 to 1,with scores above 0.5 considered ‘good’based on relevant thresholds for eachunderlying parameter. We populated the appraisal tool with 30data items per property, for a sample ofc400 from the Trust’s housing stock. Itidentified ‘good’ sustainable performance

(overall iAIM score) across the sample, withthe vast majority of properties achieving‘good’ performance against both iAIM’sfinancial (profitability and affordability) andsocial (desirability, poverty, health andneighbourhood stability) metrics.Further detailed analysis revealed that themajority of the sample scored above 50%with regard to affordability. We also found acorrelation between poor occupant healthand poverty, thereby opening upopportunities to target socially beneficialintervention at ‘high risk’ tenants.The Trust described the benefits of iAIM asenabling it to:

Refine its disposals register.Prioritise social, economic andenvironmental value.

Measure the impact of its investmentworks.Replace its social value statement withsocial value outputs from the tool.

Following the pilot, we launched a newservice, iAIM – portfolio performance madesimple, and are interested to hear fromhousing associations keen to identify similarstrategic investment opportunities acrosstheir portfolios.

Thomas Whiffen,Senior EnergySpecialist

portfolio performancemade simple

Build Test SolutionsDriving innovation inbuilding performance testing and verificationTo help bring the PULSE air test(developed by NEF and our partners) tomarket, a new company was founded byNEF, Elmhurst Energy and Absolute Air andGas. Build Test Solutions (BTS) Ltd aims toidentify, develop and commercialise game­changing building performanceverification and monitoring solutions. PULSE, which can quickly and easily test thetrue infiltration characteristics of new andexisting buildings, is the first BTS productoffering. This new technology has thepotential to transform the existing marketfor air permeability testing, and to createnew markets – for example in the testing ofcritical environments such as energy­intensive cleanroom labs and refrigerationfacilities. Since its formation, BTS hascreated a number of jobs and has embarkedon two large­scale research projects. For more information about BTS, itsapproach to innovation and to learn moreabout the PULSE air test, please visitwww.buildtestsolutions.com

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State of the NationLow Energy Retrofit in Social Housing

7

This project provided Milton KeynesCouncil with impartial evidence, enablingthe council to make a decision on therefurbishment and retrofit of the LakesEstate in Bletchley, and to address qualityand comfort concerns around retrofit.We measured electricity and gas consump ­tion and environmental parameters (internaland external temperatures, internal relativehumidity levels and carbon dioxideconcentrations), both before and after therefurbishment works, at eight representativeproperties. We also tested building fabricperformance (wall and roof U­values, and airpermeability) pre and post­retrofit and con ­ducted a Standard Assessment Procedure(SAP) evaluation based on ‘as measured’ andSAP default values. In addition, weconducted a ‘before and after’ BuildingOccupancy Survey to understand howtenants used energy within their houses.Our findings:

On average, SAP energy efficiency ratingsimproved by 19% and the environmentalimpact by 25%.Average gas usage reduced by 24% whileaverage total energy used reduced by 15%.Post­retrofit electricity and gas consump ­tion was between the average and lower

than minimum National Energy EfficiencyData­Framework (NEED) figures.Infra­red thermal imaging confirmed thatpreviously installed blown mineral woolwas not 100% complete, and onlypartially reduced heat loss throughexternal walls.Air permeability was found to be betterthan the current building regulations insix out of eight properties pre­retrofit,and in all properties post­retrofit.Average ‘as measured’ external wall U­value was higher (worse) than the

‘calculated’ average value, therebyproviding further evidence that cavitywall insulation was not 100% complete.Average ‘as measured’ roof U­value wassignificantly lower (better) than the‘calculated’ and demonstrated that thematerial used and the works associatedwith the flat roof replacements were of ahigh standard.Although two properties had significantoverheating in their bedrooms post­retrofit, there was insufficient data forcomparison with pre­retrofit conditions.After retrofit, seven propertiesperformed well with regard to internalair quality. The exception was one single­storey bungalow, which showed higherCO2 concentrations than ‘typical’.There were no significant changes inrelative humidity between pre and post­retrofit.All tenants reported that they feltwarmer post­retrofit, and believed theypaid less for their energy.

Experience in this and similar projects willhelp our Chief Executive as she leads theMeasurement, Monitoring & Verificationworkstream of the Each Home Countsimplementation.

Lakes Estate Phase 2 monitoring for Milton Keynes Council

IRMAsfor over 47.3MWhth heat capacityInstallations approved for the RenewableHeat Incentive (RHI) scheme receive highsubsidy levels, potentially valued at tens ofthousands of pounds a year over 20 years. Independent Report on Metering Arrange ­ments (IRMA) inspection reports and heatloss calculations are intended to confirm toOfgem that an installation seeking accred ­itation to the RHI scheme has meteringarrangements in place which meet the elig ­ibility requirements, and that the installationis in accordance with the regulations.

Auditing an installation and completing anIRMA inspection report is a specialisedprocess and can only be completed bycompetent personnel. During the year, ourspecialist staff produced and authorised IRMAreports for eight anaerobic digestion and bio ­mass installations for two clients across fourcounties including over 6.2MWth CHP systems,totalling over 47.3MWhth heat capacity. Wethen worked with our clients to ensure thatIRMAs and heat loss calculations were pro vi ­ded as part of their successful RHI applications.

Retrofit standards As part of the implementation phase toact on the findings and recommendationsof Each Home Counts, NEF is undertakinga review of pertinent retrofit standardsand regulations, under contract to BSI. The objective is to identify whereeffective standards exist and where thereare gaps so that theRetrofit StandardsTask Group,convened by BSI,can take action andensure a fit­for­purpose standardslandscape forretrofit in the UK.

Sharing our knowledgeWe disseminated our expertise and contributed to knowledge­sharing through:

Presenting at around 25 sector conferences and exhibitions across the country.Wide coverage of nearly 40 articles, blogs and press releases – both online and in print –the latter reaching a potential readership of 700,000.Participating in six Innovate UK­supported projects, with a total value of £1.5 million.Providing information and advice to the government and official bodies throughconsultation responses and our Learnings from Green Deal Communities report.Our Deputy Chief Executive leading the new ISO 50047 (Determination of Energy Savings in Organizations) to its publication.

Cliff Willson, Senior EnergySpecialist

8

PATRONDr Mary Archer DBE

PRESIDENTJohn Walker BSc DipTP HonD'Arts

TRUSTEESAndrew Pakes (Chair)BA (Hons) FRSAJohn Doggart OBEEur Eng MA (Eng) MA (Arch)CEng MInstE FRSA

Steven Fawkes BSc DipTechEcon PhD PCSBCEng FEI FBIS

Stewart Fergusson MA FRSA

Chris Gossop BSc MA PhD MRTPI

Chris Hall TD MA (Cantab) Eng FCA

Liz Male MBEFCIPR FIIC

Liz Reason BA MSc

Matthew RhodesMA CEng FIET

Peter Rickaby MA DipArch (Cantab) PhD (Open) RIBA

Andrew Wordsworth MEng

EXECUTIVE TEAM

Chief ExecutiveDr Kerry J Mashford OBEBSc (Hons) MSc PhD MStCEng FIMechE FICE FIETFRSA

Deputy Chief ExecutiveIan ByrneMA FCA CEnv

Technical DirectorMalcolm HannaBSc (Hons)

Director of Householdsand CommunitiesGabby Mallett BSc (Hons) MA

Registered Charity No. 298951 Registered in England with liability limited by guarantee No. 2218531

In March 2017,John Walkerstepped down asour Chair. Johnwas one of thefounding Trusteesof the NationalEnergy Foundationwhen it wasestablished in1988. He was also a Trustee in the 1990s,and returned for a third time as Chair in2011. We thank John for his dedication andhard work, and for successfully steeringthe Foundation for six years. John has since become our Presidentwhile Dame Mary Archer, who has alsobeen involved with the Foundation sinceits establishment in 1988, became ourfirst Patron.

New ChairWe welcomedAndrew Pakes asour new Chair.Andrew joined usfrom a career inpublic policy,government andcampaigningorganisations. He is Head of Communications,Organising and External Affairs at thescience and engineering trade union,Prospect. He has a long­standing interestin sustainability and energy issues andled a consultancy team specialising inenergy, environment and infrastructureissues.

Renewables expertise highlightsexaggerated PV performanceDrawing on our expertise in the builtenvironment and renewable energysectors, we work with a range of clients(including the police and tradingstandards) in providing expert witness,technical and financial design reviews,together with technical dispute resolutionand arbitration services. During the year, we provided expertwitness services to trading standards on 18solar photovoltaic installations, sold andinstalled by one company across threecounties, to determine whether there wereany grounds to suspect mis­selling based onexaggerated system performance. We surveyed and assessed eachinstallation, and made comparisonsbetween the original sales documentationprovided to homeowners and the results ofapproved calculation methodologies.

We found that in all instances there was anover­estimation of the electrical energygeneration. On average, this over­estimation was approximately 18%equating to approximately £443 per year,per installation; or more than £8,860 perinstallation over the 20­year lifetime of theFeed­in Tariff. The information we providedas independent experts is helping tradingstandards respond to the claims made.

Energiesprong solutions deliver a non­intrusive retrofit that can usually becompleted within one week and withoutresidents having to move out. The finishedresult is a warm and affordable home thatis modern and attractive with a long­termperformance guarantee.The development of Energiesprong in theUK is being funded through two Europeanprogrammes, Transition Zero (Horizon2020)and E=0 (Interreg NWE Europe). TransitionZero focuses on creating the right marketconditions for refurbishments for a volumedeal of 5,000 properties, and E=0 focuses ongetting the first refurbishments done.NEF is helping to deliver both projects, is thelead partner on Transition Zero (whichincludes UK, Dutch and French partners) and

is co­ordinating on the E=0 programme. Thefunding from Interreg will support earlymarket demonstrator houses for ClarionHousing Group (previously Affinity Sutton)and Moat Housing, under E=0.

Energiesprong

All change at the top!

Our Patron, President, Trustees and Executive team

National Energy CentreDavy Avenue, KnowlhillMilton Keynes MK5 8NG

P: 01908 665555E: info@nef.org.ukW: www.nef.org.ukT: @TheNEF