Vantaalle louhitaan lämpövarastoa, jollaista ei ole ennen nähty: maailman suurin ja poikkeuksellisen kuuma Vantaan Energia on saanut louhittua alun lämpövarastolle, jonka mittakaava ylittää kaiken tähän mennessä nähdyn.

The world's largest #CavernThermalEnergyStorage (CTES) #Varanto in Finland is making progress with 170 m access tunnels excavated.

Expected ready in 2030
Cavern vol. 900 000 m3
Capacity 90 GWh
Up to 140 °C
Discharge max 200 MW
Electric boilers 2 x 60 MW
Cost 300 million euros
yle.fi/a/74-20215896

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#Innovation #Energy #Varanto

Varanto - The Cavern Thermal Energy Storage - Vantaan Energia The World's Largest Cavern Thermal Energy Storage

The technology of #Varanto, the 90 GWh #CavernThermalEnergyStorage project in Vantaa, Finland, was't investigated, obviously due to different geology in Nuremberg.
The #PitThermalEnergyStorage option could store 160 GWh but require twice the volume, 2 million m3
www.vantaanenergia.fi/en/about-us/...

Original post on mastodon.energy

@burger_jaap Thanks for raising this, I am hoping that the #Varanto storage project would proceed promptly. According to the 2023 annual Report there was still a complaint on the water economy permit. I couldn't find other updates.

The comparison of 90 GWh capacity with the demand of a middle […]