Lunar Energy Raises $232M in Series C and Series D Funding

The company is expanding beyond its California battery rollout and scaling software used by utilities and energy retailers.

Round size
$232M
Stage
Series C and Series D
Headquarters
United States
Announced
Feb 4, 2026

Storage for homes and the grid

Lunar deployed thousands of battery systems in its first commercial year. Gridshare coordinates distributed devices so household energy storage can also support the electricity network.

Two rounds disclosed together

The announcement includes a previously unannounced $130 million Series C led by Activate Capital and a $102 million Series D led by B Capital and Prelude Ventures. Both are included in the combined financing total.

Where the funding goes

  • Expansion of home battery deployments across the United States
  • Scaling the Gridshare virtual power plant platform

Sources

  1. Lunar Energy: funding announcement
  2. TechCrunch: two rounds announced together
  3. Company announcement distributed by GlobeNewswire
03 / Related rounds

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03
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