ECO publications library

This library contains links to all our publications on the Energy Company Obligation (ECO).

The default setting lists all documents published this year, but you can select earlier years and also filter by a specific information type using the fields at the top of the table.

To keep your selection, right-click on a result of interest and open in a new tab.

You can view all ECO consultations on the consultation and feedback section of our website.

DateTitleInformation type(s)
13/06/2017Response to the Scottish Government's 'Consultation on a Scottish Energy Strategy: The future of energy in Scotland'
  • Open letters & correspondence
12/06/2017Infographic: Promoting a sustainable energy future
  • Charts and data
09/06/2017Business Impact Target
  • Reports & plans
31/05/2017ECO2t Guidance note: private domestic premises
  • Guidance
23/05/2017Energy Company Obligation monthly update: Issue 23 – May 2017
  • News and blogs
23/05/2017Energy Company Obligation monthly update: Issue 22 – April 2017
  • News and blogs
22/05/2017ECO2t Determining whether premises are domestic premises
  • Guidance
04/05/2017ECO2t Monitoring
  • Guidance
04/05/2017ECO2t Appropriate and alternative methodologies
  • Guidance
21/04/2017Response to the Building Our Industrial Strategy green paper
  • Open letters & correspondence
21/04/2017E-Serve Supplier Performance Report consultation response
  • Decisions
12/04/2017Energy Company Obligation 2017-18 (ECO2t) Guidance: Delivery
  • Guidance
12/04/2017Energy Company Obligation 2017-18 (ECO2t) Guidance: Administration
  • Guidance
12/04/2017Response to the Scottish Government's ‘Consultation on Heat and Energy Efficiency Strategies, and Regulation of District Heating’
  • Open letters & correspondence
12/04/2017Summary of amendments to the ECO2 guidance for ECO2t (April 2017 - September 2018)
  • Guidance
07/04/2017ECO2t File naming convention
  • Guidance
04/04/2017ECO2t Matrix of ECO requirements by measure
  • Guidance
03/04/2017ECO2 Guidance and Associated Documents
  • Guidance
31/03/2017The extension to the Energy Company Obligation Scheme
  • Press releases
31/03/2017ECO2t District heating pre-conditions (insulation): Technical report template
  • Guidance
31/03/2017ECO2t Toolkit
  • Guidance
30/03/2017The ECO tool
  • Guidance
30/03/2017ECO2t Privacy policy
  • Guidance
30/03/2017ECO2t Notice of receipt of an application for extension
  • Guidance
29/03/2017Forward Work Programme 2017-18
  • Decisions
28/03/2017ECO2t Deemed scores
  • Guidance
28/03/2017Energy Company Obligation monthly update: Issue 21 – March 2017
  • Guidance
28/03/2017ECO2t Social housing E, F and G declaration
  • Guidance
22/03/2017Response to ECO2t consultation part two
  • Consultations & responses
21/03/2017ECO Reporting Working Group: ECO2t Standardised templates
  • Guidance
16/03/2017ECO2t Help to heat group guidance note
  • Guidance
16/03/2017ECO2t FAQs for domestic consumers
  • Guidance
16/03/2017ECO2t Open letter: Standards of installation for room-in-roof insulation
  • Open letters & correspondence
16/03/2017ECO2t Electric storage heater assessment checklist
  • Guidance
16/03/2017ECO2t Boiler Assessment Checklist
  • Guidance
16/03/2017ECO2t HHCRO Templates to evidence private domestic premises
  • Guidance
16/03/2017ECO2t Address formatting guidance note
  • Guidance
14/03/2017Ofgem’s Future Insights paper 4 - The futures of domestic energy consumption
  • Reports & plans
28/02/2017ECO2t: Notifying a supplier of a decision to refuse or revoke approval of a measure
  • Guidance
28/02/2017ECO2t appropriate guarantees
  • Guidance
28/02/2017ECO2t: Pre-existing loft insulation declaration
  • Guidance
27/02/2017Energy Company Obligation monthly update: Issue 20 – February 2017
  • News and blogs
15/02/2017Energy Company Obligation (ECO) Monitoring Report (April–June 2016)
  • Reports & plans
14/02/2017Ofgem’s approach to the closedown of ECO2 CSCO obligation
  • Open letters & correspondence
10/02/2017Response to ECO2t consultation part one and draft guidance update
  • Decisions
10/02/2017Room in roof insulation investigation update
  • Investigations
09/02/2017ECO stakeholder delivery group February 2017
  • Agendas, minutes and presentations
02/02/2017ECO2t Measures Table
  • Guidance
02/02/2017ECO2t Notification Template
  • Guidance
02/02/2017ECO2t Data Dictionary
  • Guidance
02/02/2017ECO2t consultation part two
  • Consultations & responses
31/01/2017Energy Company Obligation monthly update: Issue 19 – January 2017
  • News and blogs
30/01/2017Ofgem’s Future Insights paper 3 - Local energy in a transforming energy system
  • Reports & plans
10/01/2017Letter to the Secretary of State on Social and Environmental Guidance, 2016
  • Open letters & correspondence
03/01/2017Energy Company Obligation monthly update: Issue 18 – December 2016
  • News and blogs