The T-1 Capacity Market auction for delivery in 2024/25 closed on 20th February. Here are the main points on the auction's impact on battery energy storage. The T-4 Capacity Market auction for delivery year 2027/28 cleared at a record high. But what led to this price, and how will this affect batteries? Two Capacity Auctions (the “Auctions”) were scheduled in this period: the 2024/25 T-1 Auction (Delivery Year 2025/26) and the 2024/25 T-4 Auction (Delivery Year 2028/29). The report. The Capacity Market Rules provide the detail for implementing the operating framework set out in regulations. Ofgem’s ninth report on the operation of the capacity market (CM), covering the period between 1 October 2023 and 30 September 2024, shows the 2023/24 T-4 auction received 810 prequalification applications. Two CM Auctions (the “Auctions”) were scheduled in this period: the 2023/24 T-1 Auction (Delivery Year 2024/25) and the 2023/24 T-4 Auction (Delivery Year 2027/28). The report describes the. They show that battery energy storage systems are gaining a stronger position within the UK’s reliability framework. At the same time, the results also show that nuclear and gas-fired generation remain important sources of dependable capacity.