Base Power
Distributed Energy StorageAustin, United States
Base Power installs and owns home battery systems that provide backup power to households while feeding stored electricity back to the grid at times of peak demand. It sells electricity directly in deregulated markets such as Texas and works with utilities in regulated ones, and manufactures its Base Core battery at its Austin factory.
Funding
Base Power has raised $270M across 4 disclosed rounds, most recently a Series D in Aug 2026.
$270MRaised
Series DLatest round · Aug 2026
$13BValuation · post-money
4Events
Series DAug 2026confirmed
$1M
InvestorsRibbit Capital, Addition, Valor Equity Partners, JPMorganChase Strategic Investment Group, Altimeter Capital, D1 Capital Partners, Sands Capital, Coatue, Layer Global, Energy Impact Partners, Thrive Capital, Andreessen Horowitz, Lightspeed Venture Partners, Trust Ventures, CapitalG
Valuation$13B post-money
Tap any bar to see that round
Aug 2026Series D$1MRibbit Capital, Addition, Valor Equity Partners, JPMorganChase Strategic Investment Group, Altimeter Capital, D1 Capital Partners, Sands Capital, Coatue, Layer Global, Energy Impact Partners, Thrive Capital, Andreessen Horowitz, Lightspeed Venture Partners, Trust Ventures, CapitalG $13B post-moneybusinesswire.com ↗
Oct 2025Series C$1MAddition, Ribbit Capital, CapitalG, Trust Ventures, Valor Equity Partners, Thrive Capital, Lightspeed Venture Partners, Andreessen Horowitz, Altimeter Capital, StepStone, Elad Gil, 137 Ventures, Terrain, Waybury, Spark, BOND, Lowercarbon, Avenir, Glade Brook, Positive Sum, 1789 $4B post-moneykxan.com ↗
Apr 2025Series B$200MAddition, Andreessen Horowitz, Lightspeed Venture Partners, Valor Equity Partners, Thrive Capital, Altimeter Capital, Terrain, Trust Venturessourcery.vc ↗
Valuation journey
Price marks from disclosed rounds — Base Power has been a unicorn since Oct 2025.
◉ Disclosed at round◌ Reported, unconfirmed
Series D · $1MAug 2026confirmed
$13B
Step-up3.3× vs Oct 2025
SourceSource ↗
$13B post-money
Tap any mark to see that valuation
Investor roster
Every disclosed backer and how often they've written a cheque — repeat names are the strongest conviction signal on the cap table.
Latest leadRibbit Capital2 rounds · since 2025
Addition3 rounds · since 2025
Altimeter Capital3 rounds · since 2025
Andreessen Horowitz3 rounds · since 2025
Lightspeed Venture Partners3 rounds · since 2025
Thrive Capital3 rounds · since 2025
Trust Ventures3 rounds · since 2025
Valor Equity Partners3 rounds · since 2025
CapitalG2 rounds · since 2025
Terrain2 rounds · since 2025
Coatue1 round · 2026
D1 Capital Partners1 round · 2026
Energy Impact Partners1 round · 2026
JPMorganChase Strategic Investment Group1 round · 2026
Layer Global1 round · 2026
Sands Capital1 round · 2026
137 Ventures1 round · 2025
17891 round · 2025
Aggregated automatically from the disclosed rounds above.
Leadership
The Base Power journey
2023 · founded
Founded in Austin by Zach Dell and Justin Lopas, who met when Dell toured Anduril's Costa Mesa factory where Lopas was head of manufacturing. ↗
May 2024 · funding
Series A — $68M, led by Not disclosed.
Apr 2025 · funding
Series B — $200M, led by Addition.
Aug 2025 · milestone
Expands into Dallas proper, extending a North Texas footprint that already covered Fort Worth, Arlington, Plano and Irving. ↗
Oct 2025 · funding
Series C — $1M at $4B post-money, led by Addition.
Aug 2026 · funding
Series D — $1M at $13B post-money, led by Ribbit Capital.
3 Aug 2026 · milestone
Launches Base Core, a home battery designed and built at Base Factory 1 in Austin, offered in 39.2 kWh and 78.4 kWh configurations. ↗
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What is Base Power?
Base Power installs and owns home battery systems that provide backup power to households while feeding stored electricity back to the grid at times of peak demand. It sells electricity directly in deregulated markets such as Texas and works with utilities in regulated ones, and manufactures its Base Core battery at its Austin factory.
Who founded Base Power?
Base Power's founders and leadership on record at StartupFox are Zach Dell and Justin Lopas.
How much funding has Base Power raised?
Base Power has raised $270M across 4 disclosed rounds. The most recent was a $1M Series D in Aug 2026.
Who are Base Power's investors?
Disclosed investors in Base Power include Ribbit Capital, Addition, Valor Equity Partners, JPMorganChase Strategic Investment Group, Altimeter Capital, D1 Capital Partners, Sands Capital, Coatue, Layer Global, Energy Impact Partners, Thrive Capital, Andreessen Horowitz.
What is Base Power's valuation?
Base Power was last reported at $13B post-money, at the time of its Series D in Aug 2026.
What is the latest news on Base Power?
The most recent StartupFox coverage is “Base Power Raises $1 Billion Series D at $13 Billion Valuation and Launches Its Own Home Battery” (4 August 2026). All stories are listed on this page.
Sources & updates
This profile is compiled by the StartupFox desk from company announcements, regulatory and exchange filings (RoC/MCA, NSE/BSE) and our own reporting. 4 of 4 funding rounds link to a named source.
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