Almost 1,000MW of new-build battery assets were successful in the T-4 Capacity Market Auction (CMA) for delivery year 2027/28, which cleared yesterday (27 February) at an “all-time high” clearing price of £65/kW/year.
Noted that this “all-time high” is £2/kW/year higher than the 2024 auction clearing price “which was itself a record high at the time.”
auction round secured 42,830MW – less than 2,000MW lower than the auction’s revised target of 44GW – with 98.76% of capacity entering the auction awarded an agreement
gas was awarded the majority of capacity, securing 28,684MW (66.97%), followed by interconnectors at 6,589MW (15.38%)
Pumped storage secured the most capacity of the low-carbon technologies entered into this year’s auction, securing 1,874MW (4.38%) battery storage received 1,016MW (2.375), nuclear 959MW (2.24%), onshore wind 41.91MW (0.10%), and solar 8.2MW (0.02%).