
TNEI on Grid – CMP 448: The Project Commitment Fee (PCF) Explained
2025 was a year of significant change in the energy industry, with GB Connections Reform (CMP 434 and CMP 435) overhauling the connections process for generation and large scale demand. With so much to keep track of last year, you’d be forgiven for having missed another code modification which was approved by Ofgem on 8th December – the same day that NESO announced the results of the CMP 434 queue formation process! CMP 448 introduces what is known as the Progression Commitment Fee (PCF): a new financial incentive (or financial burden, depending on your point of view) to be implemented in the reformed connection process from January 2026. But what is the PCF, and how might it affect your project? What is the aim of the modification? The PCF aims to encourage projects which have accepted a Gate 2 offer to continue progressing to connection, preventing a backlog of stalled



