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On 1 April 2015 the ECO2 obligation period begins. Ahead of this, we are publishing all ECO2 guidance and notification documents on this page.

The documents provided here are for information only until 1 April 2015. Any measures installed and completed before this date should be notified in accordance with our ECO1.2 Guidance and associated documents.


On 2 December 2013 the government announced plans to extend the Energy Company Obligation scheme from April 2015 until March 2017. It consulted on its proposals on 5 March 2014 (see the response paper to that consultation: The Future of the Energy Company Obligation) and passed the Energy Company Order 2014 on 4 December 2014.

As administrator of the scheme, Ofgem publishes guidance for energy companies to help them successfully deliver their obligations. We have consulted on the changes to the scheme where we are exercising our discretion in administering the new legislative provisions or where we are making further improvements to our current ECO policies.

How will the changes affect the ECO guidance?

The changes will result in updates to our guidance, which we consulted on in two stages (ECO2.1 and ECO2.2).

The ECO2.1 Consultation closed on 1 December 2014 and provided early certainty on HHCRO requirements which affect measures installed in ECO1 that suppliers may wish to carry forward to ECO2. On 14 January 2015 we published our response to this consultation along with a guidance note.

The ECO2.2 Consultation closed on 21 January 2015 and focussed on the remaining areas of ECO2 where we will use some degree of discretion in our administration – areas where the law has changed and areas where we are proposing changes to our existing policies. On 2 March 2015 we published our response to this consultation along with the final ECO2 guidance. The final ECO2 guidance also includes the contents of the ECO2.1 guidance note.

Further information

If you have any queries on these documents or any other area of ECO, please contact us.

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