Pratt Energy thermal battery

Antora Energy · Pratt Energy biorefinery, Pratt, KS · Kansas DEVELOPER HEALTHHEALTHY

5.8 GWh multi-day thermal battery supplying heat to an ethanol biorefinery, Antora's second large project after POET Big Stone. Equity led by Copenhagen Infrastructure Partners.

Long-duration storage · Multi-day, thermal and mechanical storage SEE CONNECTIONS →

ANNOUNCED
DEVELOPMENT
PERMITTED
FINANCED
CONSTRUCTION
OPERATING

Power

—

Long-duration storage · Scaling

Storage

5.8 GWh

energy capacity

Online

—

not announced

Capital committed

—

closed or awarded

Capital pending

—

conditional or under review

How it works

Thermal

Cheap electricity heats bricks or carbon blocks to well over 1,000°C. The stored heat comes back out as factory heat or steam hours later.

OPEN IN 3D →

Others on this approach

Capital stack

1 SOURCES

Equity · Copenhagen Infrastructure Partners (lead); Grok Ventures; University Pension Plan OntarioThird-party project equity; amount not disclosedCLOSED · 2026-10-01 · ess-news.comundisclosed

Milestones

Oct 1, 2026Antora and Pratt Energy announce the 5.8 GWh project with CIP-led equity

Grid, permits and build

Grid connection, permits, contractors and cost not researched yet for this project.

Who buys and who finances

Pratt Energy

Long-term heat offtake agreement

Pratt EnergyHOST · BUYER

Dependencies

LOADING…

Pratt Energy thermal battery

Thermal

Capital stack

Milestones

Grid, permits and build

Who buys and who finances

Dependencies

Pratt Energy thermal battery

Thermal

Capital stack

Milestones

Grid, permits and build

Who buys and who finances

Dependencies

Related

More from Antora Energy

Sources