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

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

Publications and updates

  • Published: 16th Mar 2017
  • Guidance
  • 1 Associated documents
ECO2t Templates to evidence private domestic premises householders under the Home Heating Cost Reduction Obligation (HHCRO).

  • Published: 16th Mar 2017
  • Guidance
  • 1 Associated documents
This document describes how addresses should be formatted when measures are notified for ECO2t.

  • Published: 28th Feb 2017
  • Guidance
  • 2 Associated documents
Information on notifying a supplier of a decision to refuse or revoke approval of a measure under the Energy Company Obligation scheme.

  • Published: 28th Feb 2017
  • Guidance
  • 1 Associated documents
This document lists the guarantees that Ofgem has reviewed and consider to meet the criteria for an appropriate guarantee under the Energy Company Obligation.

  • Published: 28th Feb 2017
  • Guidance
  • 1 Associated documents
Pre-existing loft insulation declaration for ECO2t.

  • Published: 10th Feb 2017
  • Decisions
  • 2 Associated documents
Ofgem E-Serve response to Energy Company Obligation transition consultation part 1 and updated draft guidance.

  • Published: 2nd Feb 2017
  • Guidance
  • 1 Associated documents
This ECO2t measures table is for ECO2t measures installed on or after 1 April 2017.

  • Published: 2nd Feb 2017
  • Guidance
  • 1 Associated documents
Notification template for ECO2t.

  • Published: 2nd Feb 2017
  • Guidance
  • 1 Associated documents
Data Dictionary for ECO2t.

  • Published: 6th Oct 2016
  • Decisions
  • 4 Associated documents
We have now published the response to our ECO deemed scores consultation

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