T-4

  • Energy storage and flexibility

    T-4 Capacity Market Results: New build battery storage leads the way

    On 22 February 2022, the T-4 Capacity Market (CM) auction for Delivery Year 2025-26 cleared at £30.59/kW/year. This was the highest ever clearing price in a T-4 GB CM auction and followed the T-1 auction for 2022-23, which cleared at the highest ever GB CM price of £75/kW on 15...

  • Energy storage and flexibility

    Chart of the week | We built this city… on existing generation

    The Capacity Market (CM), introduced under the Electricity Market Reform (EMR) policy programme is designed to ensure security of electricity supply in GB. This is done by providing payments – determined through a competitive auction– to generators and eligible demand side response (DSR) and can encourage existing plant to remain...

  • Low carbon generation

    Chart of the week | What might compete in upcoming Capacity Market auctions?

    The next round of Capacity Market (CM) auctions are set to take place in March 2021, starting with the T-1 (Delivery Year 2021-22) on 2 March followed by the T-4 (Delivery Year 2024-25) on 9 March. The prequalification window for these auctions have been open since 20 July 2020 and...

  • Low carbon generation

    Chart of the week | We’ve got the power: T-4 Capacity Market results

    On 6 March, the EMR Delivery Body (National Grid ESO) published the provisional result of the T-4 Capacity Market (CM) auction for Delivery Year 2023-24. The clearing price for the auction was the highest value since 2016. In this week's Chart of the week, our expert, Lee Drummee explores some of...

  • Low carbon generation

    Chart of the week | Swing low: T-3 Capacity Market auction

    In this week's Chart of the week, we discuss the provisional results of the T-3 Capacity Market (CM) auction for Delivery Year 2022-23, published on Friday 31 January by the EMR Delivery Body (National Grid ESO). The clearing price was £6.44/kW/year, the lowest ever in a multi-year (T-4 or T-3) Capacity Market auction....

  • Low carbon generation

    Chart of the week | Capacity Market oversupply continues – but for how long?

    In this week's Chart of the Week, we put our focus on the Capacity Market as on 13 May 2019, Secretary of State for Business, Energy and Industrial Strategy Greg Clark wrote to the Delivery Body to update the target procurement volumes for the replacement T-1 2019-20 capacity auction which is being...