Warm weather in June saw gas demand drop 9%

Warm weather in June saw gas demand in Ireland fall 9% last month compared to May, and 7% lower than in June 2024, figures from Gas Networks Ireland show. 

June 2025 was the fourth warmest June on record, despite wet conditions. Gas generated 36% of Ireland’s electricity in June, down from 40% in May and 42% in June 2024. Gas use peaked at 90% of all energy required in June and never dropped below 14%. Wind energy accounted for 30% of electricity use for the period - up eight percentage points from 22% in May — and ranged from less than 1% to a peak of 75%.

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