CMP463: Stabilising the Specific Onshore Expansion Factors from 1st April 2026
The Price Control from April 2026 has led to large, unexpected increases in Specific Onshore Expansion Factors. This modification seeks to hold those Specific Expansion Factors at 2025/26 levels, similar to the CMP353 approach, ahead of a larger more fundamental review of TNUoS.
Modification status:
Concluded
- Awaiting Implementation
Last updated:
28 January 2026
Code Administrator Contact: [email protected]
Governance Route: Standard Governance modification with Workgroups
Impacts: High impact on Generators.
Code modification proposed by:
Damian Clough
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