Decision on CMP447: Removal of designated strategic works from cancellation charges/securitisation
Summary
Ofgem decision on CUSC modification CMP447: Removal of designated strategic works from cancellation charges and security requirements.
Why it matters
Specific connections-process refinement. Designated strategic works are large network reinforcements; removing them from cancellation charges and security reduces upfront commitments for projects triggering such works. Eases the financial entry threshold for transmission-connected developments.
Areas affected
Related programmes
Memo
Decision on CMP447: Removal of designated strategic works from cancellation charges/securitisation | Ofgem Please enable JavaScript in your web browser to get the best experience. BETA This site is currently in BETA. Help us improve by giving us your feedback . Close alert: Decision on CMP447: Removal of designated strategic works from cancellation charges/securitisation Publication type: Code modification Publication date: 7 January 2026 Topic: Energy codes Subtopic: Connection and use of system code (CUSC) Print this page Related links Decision on CMP428: User Commitment liabilities for Onshore Transmission (reinforcement) in the Holistic Network Design Decision on CM094: Amendment to Bi-annual estimate provisions Share the page Share on Facebook Share on Twitter Share on LinkedIn Outcome of CUSC modification proposal CMP447: Removal of designated strategic works from cancellation charges/securitisation. Details of outcome We have decided to approve the Original Proposal CMP447. Start date 21 January 2025. Code modification description CMP447 was proposed by the National Energy System Operator (‘NESO’) on 17 January 2025 to address a defect in the CUSC User Commitment framework. The proposal was treated as urgent due to its significant commercial impact and the need for certainty in charges for developers, with urgency approved by Ofgem on 12 June 2025. Under the existing rules, generators were required to post financial securities for strategic transmission works that had already received regulatory approval and would proceed irrespective of their connection. This created unnecessary financial burdens and barriers to entry for new generation projects. The modification aims to remove these requirements, aligning liabilities with actual risk and facilitating the connection of renewable projects. Main document CMP447 Decision [PDF, 227.25KB] Print this page Related links Decision on CMP428: User Commitment liabilities for Onshore Transmission (reinforcement) in the Holistic Network Design Decision on CM094: Amendment to Bi-annual estimate provisions Share the page Share on Facebook Share on Twitter Share on LinkedIn Close