Lunar Energy raises $232M to scale home battery virtual power plant
By Global Infrastructure Sherpa · Feb 4, 2026
Lunar Energy raised a $130M Series C led by Activate Capital and $102M Series D led by B Capital and Prelude Ventures, bringing total funding past $500 million to scale manufacturing of home battery units for a virtual power plant.
Deal Analysis
Lunar Energy's $232 million financing, comprised of a $130 million Series C and a $102 million Series D, signifies a substantial investment in the burgeoning home battery storage market. Led by Activate Capital, B Capital, and Prelude Ventures, this funding round brings Lunar Energy's total funding past $500 million, enabling the company to scale manufacturing of its home battery units for a 650 MW virtual power plant across California, Georgia, and Washington. This financing underscores the growing investor confidence in distributed energy resources and their potential to enhance grid resilience and flexibility.
The deal is notable for its size and the involvement of prominent venture capital firms specializing in energy and infrastructure. Activate Capital's focus on energy, transportation, and industrial sectors, coupled with B Capital's infrastructure investment strategy and Prelude Ventures' early-stage energy focus, highlights the diverse investor interest in Lunar Energy's technology. The deployment of a 650 MW virtual power plant represents a significant capacity addition to the grid, potentially impacting energy markets and consumer behavior in the targeted states. This deal positions Lunar Energy as a key player in the evolving landscape of residential energy storage and virtual power plants.
- Total funding of $232 million to scale home battery manufacturing.
- Participation of prominent investors: Activate Capital, B Capital, and Prelude Ventures.
- Deployment of a 650 MW virtual power plant across California, Georgia, and Washington.
- Total funding past $500 million, indicating strong investor confidence.
Market Context: The battery storage market is experiencing rapid growth, driven by increasing demand for renewable energy integration, grid stabilization, and energy independence. Virtual power plants are emerging as a key technology for aggregating distributed energy resources and providing grid services.
Source Intelligence
KEY DETAILS
Lunar aims to produce 20,000 units by the end of 2026 before ramping to 100,000 units by the end of 2028. "Lunar aims to produce 20,000 units by the end of 2026 before ramping to 100,000 units by the end of 2028."
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Deal Size
Lunar Energy just closed back-to-back funding rounds totaling $232 million to transform home batteries into a virtual power plant that can stabilize America's strained electrical grid.
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Location
The company manufactures battery packs in 15 kilowatt-hour and 30 kilowatt-hour modules for homeowners across California, Georgia, and Washington.
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Announcement
PUBLISHED: Wed, Feb 4, 2026, 6:44 PM UTC
PARTIES MENTIONED IN SOURCE
A
Activate Capital
investor
"The Series C was led by Activate Capital"
B
B Capital
investor
"B Capital and Prelude Ventures co-led the Series D."
P
Prelude Ventures
investor
"B Capital and Prelude Ventures co-led the Series D."
B
Base Power
competitor
"In October 2025, Base Power raised $1 billion for its own residential battery VPP"
T
Tesla
competitor
"Tesla operates a Powerwall-based virtual power plant that's already proving the model works at scale."
R
Redwood Materials
competitor
"Former Tesla executive J.B. Straubel's Redwood Materials launched its own energy storage business targeting AI data centers."
F
Ford
competitor
"Even legacy automaker Ford announced plans to enter the grid storage market."
high quality
Enriched Feb 19, 2026
Market Context
This deal is part of the Battery Storage sector in USA.
1 of 84 Battery Storage deals tracked this month · Updated daily