Deals Counterparts

Nuclear secures capacity in UK T-1 auction, extending plant operations

Development Nuclear announced United Kingdom Mar 5, 2026
operating
Stage
Hartlepool and Heysham plants
Project

Nuclear secured most capacity in the 2026 T-1 auction, supported by the decision to extend the operating life of EDF's Hartlepool and Heysham plants until 2028.

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Source Intelligence

KEY DETAILS

The results for the T-1 auction are provisional. The contracts awarded at T-1 auctions are for a delivery year spanning Oct. 1 to Sept. 30. Quote: "The announced results T-1 are provisional and will become final following an eight working day post‑auction period and government sign‑off." Quote: "Contracts awarded at T-1 auctions for a delivery year spanning Oct. 1 to Sept. 30."

Capacity
Nuclear secured most capacity in the 2026 T-1 auction
Location
UK T-1 capacity market auction, supported by the decision to extend the operating life of EDF’s Hartlepool and Heysham plants
PPA Details
The auction awarded 7.2 GW of capacity agreements at a clearing price of GBP 5 ($7) per kW, per year
Announcement
By Matthew Lynas Mar 05, 2026
COD
extend the operating life of EDF’s Hartlepool and Heysham plants until 2028
PARTIES MENTIONED IN SOURCE
E
EDF owner/developer

"EDF’s Hartlepool and Heysham plants"

N
NESO grid operator

"provisional results from grid operator NESO"

high quality Enriched Mar 7, 2026

Timeline

Announced
Mar 5, 2026
Signed
Closed

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