5GWh Thermal Energy Storage System at POET's Big Stone City Facility
Under construction · South Dakota · Last reported May 2026
Source: Power Technology
Antora Energy and POET commissioned a 5GWh thermal energy storage system at POET's bioprocessing facility in Big Stone City, South Dakota. The system stores electricity as heat in insulated solid-carbon blocks and provides continuous energy for industrial processes or electricity generation. The project began initial construction less than a year ago and has started delivering energy, with full op
- Status
- Under Construction
- Sector
- Geothermal, Energy Storage, Power Generation (CCGT), Manufacturing (Industrial)
- Location
- Big Stone City, South Dakota, United States of America
- Updated
- 22 Jul 2026
- Source
- Power Technology
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Project Information
Participants
| Not available for this record. |
Status
Original status | under construction |
Taiyo status | Under Construction |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | Antora Energy and POET commissioned a 5GWh thermal energy storage system at POET's bioprocessing facility in Big Stone City, South Dakota. The system stores electricity as heat in insulated solid-carbon blocks and provides continuous energy for industrial processes or electricity generation. The project began initial construction less than a year ago and has started delivering energy, with full operations expected later in the year. |
Original sector | Energy |
Location
Country | United States of America (USA) |
State | South Dakota |
City | Big Stone City |
Source
Source | Power Technology |
URL |
More Details
Record type | Project |
Sector | Geothermal, Energy Storage, Power Generation (CCGT), Manufacturing (Industrial) |
Article published date | 2026-05-23 |
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