Signals 

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Climate & Energy

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Expansion

Expansion

Antora deploys 5GWh thermal energy storage system in South Dakota

May 20, 2026

Climate & Energy

Expansion

Key Facts

Signal Type

Expansion

Industry

Climate & Energy

Companies

Antora, POET Bioprocessing, Otter Tail Power

Date

May 20, 2026

What Happened

Antora has commissioned a 5GWh thermal energy storage system at POET Bioprocessing's biofuels plant in Big Stone City, South Dakota. The system, based on Antora's thermal battery technology, is expected to go into full operation later this year.

Who Is Affected

POET Bioprocessing will benefit from improved efficiency and lower energy costs. Otter Tail Power collaborated on an electric rate structure to ensure 24/7 power delivery without impacting other customers.

Market Impact

  • Demonstrates the scalability of thermal energy storage for industrial applications.
  • Highlights Antora's ability to address hard-to-abate sectors like biofuels.
  • Signals growing interest in energy storage solutions for industrial decarbonization.

What to Watch

Monitor Antora's commercial deployments and partnerships in energy-intensive industries. Also, track the performance of the Big Stone project as it moves into full operation.

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