Reviewing the Consolidated Segmental Statements – our decision

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We are publishing our decision to revise the licence conditions requiring publication of a Consolidated Segmental Statement (CSS). The effect of these modifications is to expand the CSS reporting obligation to a wider proportion of the domestic and non-domestic market, providing greater transparency of supplier profitability.

This decision follows stakeholder engagement and feedback - a policy consultation in August 2023 and a statutory consultation in November 2023.

These changes will take effect from 29 March 2024.

Alongside the decision document and modification notices, we have also published any non-confidential responses to our consultation.

Main document

[Reviewing the Consolidated Segmental Statements – our decision [PDF, 361.62KB]

](https://www.ofgem.gov.uk/sites/default/files/2024-01/CSS%20Decision%20Document%20February%202024.pdf)

Subsidiary documents

[CSS decision notification - standard electricity licence [PDF, 158.79KB]

](https://www.ofgem.gov.uk/sites/default/files/2024-01/CSS%20Decision%20Notice%20-%20standard%20electricity%20licence.pdf)

[CSS decision notification - electricity generation licence [PDF, 162.26KB]

](https://www.ofgem.gov.uk/sites/default/files/2024-01/CSS%20Decision%20Notification%20-%20electricity%20generation%20licence.pdf)

[CSS decision notification - standard gas licence [PDF, 167.18KB]

](https://www.ofgem.gov.uk/sites/default/files/2024-01/CSS%20Decision%20Notification%20-%20standard%20gas%20licence.pdf)

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