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INDUSTRIAL BUYER · CALIFORNIA, USA

Holmes Western Oil Corp.

Oil producer using Rondo's heat battery for steam in Kern County.

Projects

1

1 operating

Buys from

1

projects

Funds

0

projects with its money

Money in

—

project-specific, disclosed

Builds

0

as developer

Activity timeline

Open in the Brief calendar →

Oct 16, 2025
PROJECT · HOLMES WESTERN HEAT BATTERYCommercial operation: 100 MWh heat battery charged by onsite solar
Kern County, CA
energy-storage.news →+ THESIS
Oct 15, 2025
PROJECT · HOLMES WESTERN HEAT BATTERYCommercial operation
Kern County, CA
canarymedia.com →+ THESIS

Pipeline

1 PROJECTS

Holmes Western heat batteryRondo Energy · Long-duration storage · California · 100 MWhOPERATING~Oct 2025

Timeline

Recent

Oct 16, 2025Holmes Western heat battery: Commercial operation: 100 MWh heat battery charged by onsite solar
Oct 15, 2025Holmes Western heat battery: Commercial operation

Coming up

No dates announced.

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Policy that applies

45Y / 48E: all other clean power and storageACTIVE

Verify: headquarters