Lunar Energy is a Distributed Solar & Storage company founded in 2020 and based in Mountain View, USA. It has raised $532M in total funding, most recently a Series D in 2026.
| Date | Stage | Amount | Valuation | Lead investors |
|---|---|---|---|---|
| Feb 4, 2026 | Series D | $232M | — | B Capital, Prelude Ventures |
| Aug 24, 2022 | Series B | $300M | — | Sunrun, SK Group |
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A 20 kWh DC-architecture residential battery system designed for solar-plus-storage installations. Uses a software-defined approach with intelligent hardware optimized for easy installation, competing directly with Tesla Powerwall. Designed in California, assembled in Georgia and Washington. Over 2,000 systems deployed in California by early 2026, with 40+ installation partners.
An AI-driven software platform that aggregates residential Lunar batteries into virtual power plants (VPPs) and dispatches them to reduce grid stress during peak demand. Earned customers an average of $464 through VPP participation in 2025. Deployed with Sunrun across a dozen markets including New England, Hawaii, and Puerto Rico; also powers programs for Peninsula Clean Energy and Silicon Valley Clean Energy.