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Finland: World’s First Large-Scale ‘Sand Battery’ Went Into Operation

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The first commercial sand-based thermal energy storage system in the world has started operating in Finland, developed by Polar Night Energy.

Polar Night Energy’s system, based on its patented technology, has gone online on the site of a power plant operated by utility Vatajankoski.

The 4×7 metre steel container contains hundreds of tonnes of sand which can be heated to a temperature of 500-600 degrees Celsius. The sand is heated with renewable electricity and stored for use in the local district heating system.

It has a particularly strong use case in Finland which sees long and very cold winters, and was recently cut off from Russian gas supplies over a payments dispute. The storage system’s developers say it is cheap and easy to build.

Read more...

Russia Temporarily Shuts Down Nord Stream Gas Pipeline

Shutting down of the Nord Stream will temporarily reduce Europe's gas supply Russia has reduced Nord Stream gas exports to Europe as the pipeline enters...

H.E. Kimmo Lähdevirta, Ambassador Of Finland To Serbia

Finland Can Assist Serbia In This Green Transition

Along with other Nordic embassies in Serbia and the Nordic Business Alliance, but also the Nordic Council of Ministers, Finland is sharing its vast...

The system can discharge a maximum of 100kW of heat power and has a total energy capacity of 8MWh, equating to up to 80 hours’ storage duration, but now authorities want to scale the system to one a thousand times bigger, or 8GWh, according to a report from UK broadcaster BBC.

Source: energy-storage.news, Photo: Polar Night Energy

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