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Retail Provider Announces $1B Series D, & Launches, "First-of-its-Kind Home Battery Built in the United States"
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Base Power today is announcing a $1 billion Series D financing at a $13 billion post-money valuation, alongside the launch of Base Core, which is described as a home battery designed from the ground up to support the grid, now in production at Base Factory 1 in Austin.
Base Core is described as one of the largest home batteries on the market at 39.2 kWh / 78.4 kWh, "designed and built in America, and engineered for rapid deployment at scale."
The Series D is led by Ribbit, Addition, Valor Equity Partners, and JPMorganChase’s Strategic Investment Group, part of the firm’s Security and Resiliency Initiative, with participation from Altimeter, D1 Capital Partners, Sands Capital, Coatue, Layer Global, and Energy Impact Partners. Base’s major existing investors are re-investing, including Thrive Capital, a16z, Lightspeed, Trust Ventures, CapitalG, and more.
This new capital will go toward bringing Base Core to more homes, expanding nationally, and hiring "exceptional talent."
Base has raised over $2.5B capital to date.
"We brought together the best hardware and software engineers in the world to build Core -- a battery designed to protect American homes while supporting the grid," said Zach Dell, CEO and co-founder of Base Power. "It installs in under an hour, switches over seamlessly, is built to handle extreme weather, and delivers extended outage protection at a price Americans can afford."
Base has grown its battery fleet to over 500 MWh, expanded beyond Texas into Illinois, and launched partnerships with utilities including El Paso Electric, Austin Energy, and CoServ for over 200 MW of capacity.
Justin Lopas, Base COO & Co-Founder, stated, "Base’s Factory 1 is now producing thousands of systems a month, while our deployment team enables the safe, efficient installation of them on homes throughout Texas and beyond."
Base Core is available today to homeowners in select regions of Texas and Illinois.
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August 3, 2026
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Copyright 2026 EnergyChoiceMatters.com
Reporting by Paul Ring • ring@energychoicematters.com
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