Correspondence
Final auction parameters, T-1 and T-4 Capacity Market auctions
Published 11 February 2025
© Crown copyright 2025
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| Parameter | T-1 auction for delivery in 2025/26 | T-4 auction for delivery in 2028/29 |
|---|---|---|
| Target capacity | 7.5 GW | 43.7 GW |
| Demand curve: Minimum capacity at price cap | 6.0 GW | 42.2 GW |
| Demand curve: Maximum capacity at £0 | 9.0 GW | 45.2 GW |
| Reliability standard | 3 hours LOLE | 3 hours LOLE |
| Net CONE | £49/kW/yr | £49/kW/yr |
| Price Cap | £75/kW/yr | £75/kW/yr |
| Price taker threshold | £25/kW/yr | £25/kW/yr |
| 15-year agreement threshold | N/A[footnote 1] | £340/kW[footnote 2] |
| 3-year agreement threshold | N/A[footnote 1] | £170/kW[footnote 2] |
| Indexation | N/A | 2023/24 |