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Ofgem’s Response to DESNZ Energy Company 4 (ECO4) and the Great British Insulation scheme (GBIS) Consultation on mid-scheme changes

Energy Company Obligation 4 and the Great British Insulation Scheme: mid-scheme changes

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This document contains Ofgem’s response to the Energy Company Obligation 4 and the Great British Insulation Scheme: Mid-Scheme Changes consultation. 

The consultation was published by the Department of Energy Security and Net Zero (DESNZ) on the 14th of November 2024, and details proposed changes to the design of Energy Company Obligation (ECO4) and the Great British Insulation Scheme (GBIS).  

Main document

[Ofgem’s response to DESNZ Energy Company 4 (ECO4) and the Great British Insulation scheme (GBIS) Consultation on mid-scheme changes [PDF, 359.59KB]

](https://www.ofgem.gov.uk/sites/default/files/2025-02/Ofgem%20response%20to%20DESNZ%20consultation%20-%20ECO4%20and%20GBIS%20mid-scheme%20changes.pdf)

Energy Company Obligation 4 and the Great British Insulation Scheme: mid-scheme changes

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Ofgem’s Response to DESNZ Energy Company 4 (ECO4) and the Great British Insulation scheme (GBIS) Consultation on mid-scheme changes