Two More UK AGR Nuclear Plants Get Further Lifetime Extensions

POWER Magazine · Sonal Patel · last updated September 4, 2025 – 7:51 AM

EDF will extend the lifetimes of two UK nuclear power plants—Heysham 1 in Lancashire and Hartlepool in Teesside—by an additional 12 months to March 2028 in a bid to secure the country’s energy security as it faces a looming nuclear capacity cliff and heightened reliance on imported gas. The French-owned utility confirmed that 1.2-GW Heysham 1 in […]

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Heysham 1 Nuclear Power Station, owned and operated by EDF, houses two Advanced Gas-cooled Reactors (AGRs) with a combined capacity of 1,155 MW. Since its beginning in 1983, the plant located on the northwest coast of England near Lancaster has produced 243 TWh of zero-carbon electricity. Courtesy: EDF

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