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Base Power

Base Power

Private
Austin, TexasEnergy & Sustainabilityhttps://www.basepowercompany.com/

Last Round

Series D

Aug 3, 2026

Est. Valuation

$13B

Total Funding Raised

$2.27B

Momentum

Top 1%

of companies Caplight tracks

Company Overview

Base Power is an energy technology company that provides residential battery backup systems and retail electricity services to improve grid reliability and affordability.

Sector

Energy & Sustainability

Verticals

Energy Storage, Smart Grid, Energy Management

Business Model

B2C

Customer Profile

Usage-Based SaaS, Subscription SaaS, Hardware Sales

AI Layer

Application

Keywords

home energy storagevirtual power plantVPPresidential batterybackup powergrid servicesretail electric providerREPenergy arbitragedemand responsedistributed energyenergy managementgrid stabilitybattery fleetsmart home energy

Historical Pricing

Historical view of private secondary pricing and transaction trends.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Base Power Comparables

Compare Base Power with similar companies based on industry and business-model similarity.

Base Power comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Tesla
80%
Sunrun
79%
Lunar Energy
79%

Base Power Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series DAug 3, 2026
Series COct 8, 2025
Series BApr 9, 2025
Series AMay 8, 2024
SeedAug 1, 2023

Secondary Market Activity

Bids, offers, and trades by month

Data table
OperationDatePriceSizeShare ClassStructure
BID

Key People

Founding team and executive leadership

Justin Lopas

COO & Co-Founder

Founding Team

Zach Dell

Co-Founder And CEO

Founding Team

Base Power Investors

Notable investors and investment history

Base Power investors
InvestorRounds
Andreessen HorowitzSeries C, Series D, Series B
AdditionSeries C, Series D, Series B
Waybury CapitalSeries C
Positive SumSeries C
Thrive CapitalSeries C, Series A, Series D, Series B
StepStone GroupSeries C
137 VenturesSeries C

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 30, 2026

    Grew 28% QoQ, from 352 to 450 employees.

  • Jul 21, 2026

    Grew 35% QoQ, from 313 to 421 employees.

Recent news

Latest coverage and updates

  • partners_withOct 13, 2026

    Base Power Company partners with Central Georgia Electric Membership Corporation to provide 50 MW of dispatchable residential battery capacity across Georgia, with first installations scheduled for 2027.

  • attends_eventSep 29, 2026

    Base Power Company attends the AITX Hackathon as a third-place finisher on Sep 29th '26

  • partners_withAug 19, 2026

    Base Power Company partnered with CoServ Gas Ltd. on Mar 1st '26.

  • expands_facilitiesAug 6, 2026

    Base Power Company expanded facilities to Austin, Texas, United States, Northern America, Americas on Jan 1st '26.

  • has_valuationAug 4, 2026

    Base Power Company had valuation of $4B on Oct 1st '25.

Base Power Filings

Explore SEC and related filing metadata, where available.

Base Power filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Appears On

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Frequently Asked Questions

Common questions about Base Power's valuation, stock price, and market status.

Is Base Power a public or private company?

Base Power is a private company.

What is the current stock price of Base Power?

Base Power is a private company, so its shares have no public market price. Caplight tracks Base Power's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Base Power worth (valuation)?

Base Power's valuation is estimated at $13.0B based on funding round data.

Can I buy Base Power stock?

Base Power shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Base Power's last funding round?

Base Power's most recent funding round was Series D on August 3, 2026.

Who are the main investors in Base Power?

Key investors in Base Power include Andreessen Horowitz, Addition, Valor Equity Partners, Ribbit Capital, Lightspeed Venture Partners.

Will Base Power IPO soon?

No public IPO plans have been announced for Base Power.

How can I track Base Power secondary market activity?

Caplight tracks bids, offers, and trades in Base Power's shares on secondary markets.

Firmographic Details

HeadquartersAustin, Texas
Employee Range450
Year Founded2023
Last FundingAug 3, 2026

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