CM0104: Due Date for Monthly Payments to Transmission Operators (TOs) | National Energy System Operator
Summary
CUSC modification CM0104 adjusts the due date for NESO's monthly payments to Transmission Owners, ensuring one business day always falls between TNUoS/connection charge receipts from CUSC users and onward payments to TOs. Self-governance route, now implemented.
Why it matters
Housekeeping. Aligns payment timing to avoid cash-flow mismatches within NESO's treasury function. No impact on charge levels, allocation, or market structure.
Key facts
- •Ensures one business day gap between TNUoS/connection charge receipts and TO payments
- •Self-governance modification — no Ofgem decision required
- •Status: Implemented, concluded
- •Low impact on Transmission Owners only
- •Proposed by Nick George
Timeline
Areas affected
Related programmes
Memo
CM0104: Due Date for Monthly Payments to Transmission Operators (TOs) | National Energy System Operator Show/Hide Menu Toggle Add to favourites Close tooltip Sign in to add this page to your favourites Sign in or register Show favourites Close Close tooltip Sign in or register to manage your favourites Sign in or register Help You are now signed in Visit My NESO account to view and manage your dataset subscriptions. Maybe later Go to your account CM0104: Due Date for Monthly Payments to Transmission Operators (TOs) Minor change to due dates for monthly payments to TOs, to ensure there is always one business day between the payments received by National Energy System Operator (NESO) from Connection and Use of System Code (CUSC) users for Transmission Network Use of System (TNUoS) and Connection Charges and the payments made by NESO to TOs for general system charges and site specific charges. Modification status: Implemented - Concluded Last updated: 01 April 2026 Code Administrator Contact : [email protected] Governance Route: Self-Governance modification to proceed to Code Administrator Consultation Low Impact: on Transmission Owners Code modification proposed by: Nick George [email protected] Documents Proposal Form Code Administrator Consultation Draft / Final Modification Report Decision Name CM0104 Draft Legal Text CM0104 Proposal Form Name CM0104 Code Administrator Consultation Response Proforma CM0104 Code Administrator Consultation and Annexes CM0104 Code Administrator Consultation Name CM0104 Final Self-Governance Modification Report and Annexes CM0104 Final Self-Governance Modification Report CM0104 Draft Final Self-Governance Modification Report CM0104 Draft Final Self-Governance Modification Report and Annexes logo--facebook