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Britain's Winter Blackout Risk at Record Low Amid Renewables Surge

10/9/2025

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Summary

Story summary

Britain faces the lowest winter blackout risk since 2019-2020, per the National Energy System Operator (NESO).
Increased battery storage and a subsea cable to Ireland strengthen energy security.
The electricity margin equals three more gas power stations than last year.
Renewables supplied 54.5% of electricity in Q2 2025, surpassing coal globally.

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Story summary

Britain faces the lowest winter blackout risk since 2019-2020, per the National Energy System Operator (NESO).
Increased battery storage and a subsea cable to Ireland strengthen energy security.
The electricity margin equals three more gas power stations than last year.
Renewables supplied 54.5% of electricity in Q2 2025, surpassing coal globally.