t-1

pylons at a colourful sunset
March 14, 2025

NESO T-1 and T-4 capacity market results roundup

The National Energy System Operator (NESO) has released its provisional auction results for the one-year ahead (T-1) and four-year ahead (T-4) capacity auctions.
SSE's Seagreen offshore wind farm won a contract
February 15, 2023

T-1 Capacity Market auction clears at £60/kW/y, with first offshore wind contract and surging storage

The Capacity Market’s T-1 2023-24 auction has cleared at its second highest price ever, with 5,782.777MW procured at a clearing price of £60/kW/y.
Image: Getty.
November 30, 2021

Battery storage sees 'significant' increase to 8GW in T-4 Capacity Market pre-qualification results

Prequalification results for the T-4 and T-1 Capacity Market auctions have been released, with battery storage rising significantly in both.
Image: Getty.
July 9, 2021

BEIS targets 42.1GW for T-4 2025/26 Capacity Market auction

​The target for the T-4 2025/26 Capacity Market auction is to remain broadly in line with its predecessors, while the T-1 2022/23 target has risen compared to 2021/22.
Image description required
June 23, 2021

BEIS backs down on requiring CMUs to be registered for the Balancing Mechanism

​Capacity Market Units (CMUs) will not be required to be part of the Balancing Mechanism yet, following consultation feedback.
March 15, 2021

The solution to the problem of tight margins? Flexibility for all

Image: EDF/Pivot Power.
March 3, 2021

T-1 Capacity Market auction clears at record £45/kW/year given tighter generation

​The T-1 Capacity Market (CM) auction has cleared at a record high price of £45/kW/year on day one.
By leveraging their stored energy
February 10, 2021

BEIS bumps up T-1 Capacity Market auction target to 2.4GW

​The Department for Business, Energy and Industrial Strategy (BEIS) has increased the target for the next T-1 Capacity Market auction from 0.4GW to 2.4GW following the latest guidance.

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