Why did Centrica acquire an aging gas-fired power plant in Wales despite the UK's rapid growth in wind and solar power?

Centrica acquired the 16-year-old Severn gas plant because its financial returns are compelling—projected annual earnings of £30m–£60m imply an earnings yield over 10%—and it qualifies for £35m/year in capacity market payments until 2030; moreover, with grid constraints, rising costs, supply chain delays, and closures of older gas assets looming, flexible, relatively modern gas generation like Severn remains critical to back up intermittent renewables, especially during low-wind winter periods when system reliability depends on dispatchable power.

How does the Severn plant fit into the UK’s 2030 clean power plan, which aims to limit gas to just 5% of electricity generation?

Although the UK government’s clean power plan envisions gas providing only 5% of annual electricity by 2030—down from 31.5% in 2025—the Severn plant remains strategically valuable because gas generation will be concentrated during critical, unpredictable periods (e.g., still winter days), commanding a price premium; its role is not about annual volume but system reliability, supported by capacity market payments and its relative modernity within Britain’s aging gas fleet.

Centrica Bets on Gas-Fired Power Amid Renewables Era

May 8, 2026

Centrica buys an 850MW Welsh gas plant for £370m, expecting high earnings and capacity payments despite renewable growth. This underscores the need for flexible gas generation to support intermittent wind and solar power through 2030.

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