Times of India
🔴 Central
9 Nov 2026
🇫🇮 What is said about Finland
Finland is creating the world’s largest mine-based heat storage facility by filling a 66-foot-deep basin with 100 million gallons of water. A single charge can store 18,000 megawatt-hours of heat and could serve around 20,000 people at a time.
Quote from article
Finland is pouring 100 million gallons of water into a 66-foot-deep basin to create the world’s largest pit heat storage facility; one charge holds 18,000 megawatt-hours of heat and could supply water to around 20,000 people at a time.
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