The following are useful links to pages on other organisations websites.The EEA is not responsible for the content on those websites and cannot confirm the accuracy of any information on those pages.LinkOrganisationDescriptionhttps://www.trustmark.org.uk/homeowner/support/suspensionsTrustMarkList of Installers currently suspended by TrustMarkhttps://www.ofgem.gov.uk/environmental-and-social-schemes/energy-company-obligation-ecoOFGEMSupport documents for ECO4 regulation LegislationEnergy Act 2023UK ParliamentThe Law Governing the Energy SectorThe Clean Heat Market Mechanism Regulations 2025UK ParliamentRequirement for Manufacturers of Boilers or Heat Pumps to register under the CHMM The Electricity and Gas (Energy Company Obligation) Order 2022UK ParliamentThe legislative order authorising ECO4 schemeStatsBoiler Upgrade Scheme Monthly StatsOFGEMThe latest headline statistics for installs under BUS over previous monthBoiler Upgrade Scheme StatisticsDESNZCollection of stats covering the Boiler Upgrade SchemeHousehold Energy Efficiency StatisticsDESNZCollection of Stats covering ECO and Green Deal schemesUK Fuel Poverty StatisticsDESNZCollection of Fuel poverty statistics for the UKSocial Housing Decarbonisation Fund StatisticsDESNZCollection of stats covering the SHDF scheme Category: Frequently Asked Questions Share with others Comments Login & Write comment