ECO guidance and associated documents

Here you can access guidance and publications on the ECO scheme.

What our guidance does

It outlines:

  • how we determine which suppliers are obligated
  • how obligated suppliers can meet their obligations
  • when and what suppliers need to report on, and
  • information on ECO measures.

The ECO3 scheme commenced on 3 December 2018 and runs until 31 March 2022. The documents below apply to all measures installed on or after 1 October.

What it doesn’t do

It’s not intended as a definitive guide to the ECO3 Order.

Previous ECO schemes

Any measures installed between 1 April 2017 and 30 September 2018, should comply with our ECO2t guidance and associated documents.

Any measures installed between 1 April 2015 and 31 March 2017, should comply with our ECO2 guidance and associated documents.

If you’re unable to find the document you are looking for, contact the ECO team who will be happy to help.

ECO3 Key Scheme Resources (From 1 October 2018)

Guidance

Date Published

Energy Company Obligation 2018-22 (ECO3) Guidance: Supplier Administration

31 October 2018

Energy Company Obligation 2018-22 (ECO3) Guidance: Delivery

15 November 2018

Energy Company Obligation (ECO3) Guidance: Innovation 5 February 2019

 

Publication

Date Published

ECO3 Pre-existing Loft Insulation Declaration

27 September 2018

ECO3 Social housing E, F and G declaration & landlord permission

28 September 2018

ECO3 Private housing FTCH declaration & private rented sector landlord permission

28 September 2018

ECO3 Boiler Assessment Checklist

02 October 2018

ECO3 Electric Storage Heater Checklist

02 October 2018

ECO3 Privacy policy

10 October 2018

ECO3 Child Benefit self-declaration

16 October 2018

ECO3 Data Dictionary

19 October 2018

ECO3 Appropriate Guarantees

14 November 2018

ECO3 Measures Table

15 November 2018

ECO3 Deemed Scores Matrix

30 November 2018

ECO3 Notification Template

3 December 2018

ECO3 Templates to evidence private domestic premises

3 December 2018

ECO3 Monitoring

25 January 2019

ECO3 Notice of receipt of an application for extension

31 January 2019

ECO3 Address formatting guidance note

31 January 2019

ECO3 Notifying a supplier of a decision to refuse or revoke approval of a measure

31 January 2019

ECO3 Alternative methodologies

31 January 2019

ECO3 District Heating Pre-Conditions (Insulation): Technical Report Template

28 March 2019

ECO3 District heating systems (DHS) factsheet and summary of proposal (SoP)

29 March 2019

ECO3 Toolkit

15 May 2019

Publications and updates

  • Published: 22nd May 2017
  • Guidance
  • 1 Associated documents
This ECO2t guidance note is to help suppliers and the supply chain to determine the types of premises that would constitute a domestic premises.

  • Published: 4th May 2017
  • Guidance
  • 0 Associated documents
View the ECO2t appropriate and alternative methodologies.

  • Published: 12th Apr 2017
  • Guidance
  • 2 Associated documents
This document provides guidance on how we will deliver the ECO scheme in line with the new ECO2t requirements for measures installed from 1 April 2017.

  • Published: 12th Apr 2017
  • Guidance
  • 2 Associated documents
This document provides guidance on how we will administer the ECO scheme in line with the new ECO2t requirements for measures installed from 1 April 2017.

  • Published: 12th Apr 2017
  • Guidance
  • 1 Associated documents
This document outlines the updates we have made to the previous ECO2 Guidance documents (version 1.1) that were published on 1 December 2015.

  • Published: 7th Apr 2017
  • Guidance
  • 1 Associated documents
This document outlines the file naming convention developed by the ECO Reporting Working Group in order to simplify the reporting process for the supply chain.

  • Published: 3rd Apr 2017
  • Guidance
  • 0 Associated documents
The documents below apply to all ECO2 measures installed between 1 April 2015 and 31 March 2017.

  • Published: 31st Mar 2017
  • Guidance
  • 1 Associated documents
This technical report can be used to evidence instances where there are technical reasons why a cavity cannot be filled.

  • Published: 31st Mar 2017
  • Guidance
  • 1 Associated documents
Ofgem's ECO2t Toolkit for installers and other third parties involved in delivering ECO2t measures.

  • Published: 30th Mar 2017
  • Guidance
  • 0 Associated documents
Ofgem’s postcode lookup tool for use on the ECO2t scheme and for identifying eligibility under the CERO Rural element.

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