Energy codes
CMP388 Decision
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CMP388 seeks to provide additional clarity and certainty to industry of exactly what data will be used in the processes to determine tariffs.
The Authority approved this modification on 15 December 2022.
Main document
[CMP388 Decision [PDF, 126.69KB]
](https://www.ofgem.gov.uk/sites/default/files/2022-12/CMP388%20Decision_%28Final%29.pdf)