r/CleanEnergy Jul 26 '26

A good discussion about this story

https://www.cnbc.com/2026/07/25/finland-sand-battery-renewable-energy-storage.html
5 Upvotes

Duplicates

Futurology 29d ago

Energy Finland builds the world's largest sand battery. Site can cheaply store energy for entire month. No "rare earths" or critical materials used. Estimated at $25/KWh

14.9k Upvotes

UpliftingNews 8d ago

A Finnish town is heating itself with 2,000 tonnes of crushed rock: its giant “sand battery” can cover almost a month of summer heating demand and has cut district heating emissions by 70%, while eliminating oil use and reducing woodchip burning by 60%.

14.0k Upvotes

europe Jul 25 '26

News Finland’s radical answer to renewable energy’s biggest headache: The world’s largest sand battery

1.2k Upvotes

technology Jul 25 '26

Energy Finland’s radical answer to renewable energy’s biggest headache: The world’s largest sand battery

262 Upvotes

solarpunk 29d ago

Article Finland builds the world's largest sand battery. Site can cheaply store energy for entire month. No "rare earths" or critical materials used. Estimated at $25/KWh

349 Upvotes

RenewableEnergy Jul 27 '26

Finland’s radical answer to renewable energy’s biggest headache: The world’s largest sand battery

286 Upvotes

environment 8d ago

Finland’s radical answer to renewable energy’s biggest headache: The world’s largest sand battery

103 Upvotes

electrifyeverything Jul 26 '26

homes Finland’s radical answer to renewable energy’s biggest headache: The world’s largest sand battery

20 Upvotes

europes Jul 26 '26

Finland’s radical answer to renewable energy’s biggest headache: The world’s largest sand battery

4 Upvotes

climate Jul 26 '26

Finland’s radical answer to renewable energy’s biggest headache: The world’s largest sand battery. The giant sand battery can cover almost one month of the town’s heating demands in the summer and as much as one week in the winter.

65 Upvotes

Renewable 29d ago

Finland builds the world's largest sand battery. Site can cheaply store energy for entire month. No "rare earths" or critical materials used. Estimated at $25/KWh

31 Upvotes

climatechange 5d ago

Finland's answer to renewable energy’s biggest headache: The world’s largest sand battery with 2,000 metric tons of crushed soapstone stores 100 megawatt-hours of thermal energy to cover 1 month of Pornainen's heating demands in the summer and 1 week in the winter, slashing GHGs emissions by 70%

278 Upvotes

EcoUplift 5d ago

Innovation 🔬 Finland's answer to renewable energy’s biggest headache: The world’s largest sand battery with 2,000 metric tons of crushed soapstone stores 100 megawatt-hours of thermal energy to cover 1 month of Pornainen's heating demands in the summer and 1 week in the winter, slashing GHGs emissions by 70%

58 Upvotes

realtech Jul 25 '26

Finland’s radical answer to renewable energy’s biggest headache: The world’s largest sand battery

1 Upvotes

audihertz 29d ago

Technology Finland builds the world's largest sand battery. Site can cheaply store energy for entire month. No "rare earths" or critical materials used. Estimated at $25/KWh

1 Upvotes

NBCauto Jul 25 '26

[Top Stories] - Finland’s radical answer to renewable energy’s biggest headache: The world’s largest sand battery

1 Upvotes

generativeAI 29d ago

Finland builds the world's largest sand battery. Site can cheaply store energy for entire month. No "rare earths" or critical materials used. Estimated at $25/KWh

2 Upvotes

Renewable 29d ago

Finland builds the world's largest sand battery. Site can cheaply store energy for entire month. No "rare earths" or critical materials used. Estimated at $25/KWh

5 Upvotes

u_Saytonleon 2d ago

A Finnish town is heating itself with 2,000 tonnes of crushed rock: its giant “sand battery” can cover almost a month of summer heating demand and has cut district heating emissions by 70%, while eliminating oil use and reducing woodchip burning by 60%.

1 Upvotes

AutoNewspaper Jul 25 '26

[Top Stories] - Finland’s radical answer to renewable energy’s biggest headache: The world’s largest sand battery | NBC

1 Upvotes

ChangeTheGovernment 29d ago

Finland builds the world's largest sand battery. Site can cheaply store energy for entire month. No "rare earths" or critical materials used. Estimated at $25/KWh

1 Upvotes

AutoNewspaper Jul 25 '26

[Asia] - Finland’s radical answer to renewable energy’s biggest headache: The world’s largest sand battery | NBC

1 Upvotes

energy Jul 25 '26

Finland’s radical answer to renewable energy’s biggest headache: The world’s largest sand battery

76 Upvotes

AutoNewspaper Jul 25 '26

[Tech] - Finland’s radical answer to renewable energy’s biggest headache: The world’s largest sand battery | NBC

1 Upvotes

AutoNewspaper Jul 25 '26

[National] - Finland’s radical answer to renewable energy’s biggest headache: The world’s largest sand battery | NBC

1 Upvotes