Base Power Valuation, Funding & Investors

Base Power is valued at $13B as of August 2026.

Last Base Power valuation

$13B

Series D · Aug 2026

Last Base Power funding round

$1B

Series D · Aug 2026

Cumulative funding Base Power raised

$2.3B

across 4 funding rounds

Key investors in Base Power

  • Thrive Capital
  • Valor Equity Partners
  • Addition
  • Altimeter Capital
  • Andreessen Horowitz
  • Lightspeed Venture Partners

Base Power Overview

About Base Power

Base Power is a residential energy provider offering backup battery systems and fixed-rate electricity plans in Texas. Dallas-headquartered, its home batteries supply up to three days of whole-home power during outages with automatic failover. Plans feature transparent pricing from 9 cents per kWh plus delivery and membership fees, serving deregulated market customers seeking cost predictability.


Founded

2023

HQ

United StatesAustin, TX

Status

Privately held

Customer focus

B2C

Revenue model

Subscription, Product sales

Valuation

$13B (Aug 2026)

Base Power Valuation

Base Power is currently valued at $13B, based on its Series D in August 2026.

The $1B round was led by Addition, JPMorgan Chase, Ribbit Capital and Valor Equity Partners, with participation from Layer Global, Altimeter Capital, Andreessen Horowitz, CapitalG, Lightspeed Venture Partners and 4 other investors.

Base Power's valuation has grown 3.3x from $4B at its Series B in April 2025 to $13B in August 2026, across 3 priced rounds.

Base Power valuation by funding round

Base Power valuation by funding round
DateStageValuation
Aug 2026Series D$13B
Oct 2025Series C$4B
Apr 2025Series B$4B

Base Power Funding History

Base Power has raised a total of $2.3B across 4 funding rounds.

Base Power's first fundraising round was a $68M Series A in May 2024. The most recent completed round was a $1B Series D in August 2026.

Base Power funding rounds

Base Power funding rounds
DateStageInvestorsRaisedValuationDeal Summary
Aug 2026Series DAddition (lead); JPMorgan Chase (lead); Ribbit Capital (lead); Valor Equity Partners (lead); Layer Global; Altimeter Capital; Andreessen Horowitz; CapitalG; Lightspeed Venture Partners; D1 Capital Partners; Energy Impact Partners; Thrive Capital; Coatue$1B$13BBase Power raised USD 1,000 million in a Series D financing announced on August 3, 2026, at a USD 13,000 million post-money valuation. The round was led by Ribbit, Addition, Valor Equity Partners, and JPMorganChase’s Strategic Investment Group, with participation from Altimeter Capital, D1 Capital Partners, Sands Capital, Coatue, Layer Global, Energy Impact Partners, Thrive Capital, Andreessen Horowitz, Lightspeed, Trust Ventures, CapitalG, and others. The company has now raised more than USD 2,500 million to date and said the new capital will support nationwide expansion, bringing its new home battery product to more homes, and hiring talent. The financing came alongside the launch of Base Core, a home battery designed to support the grid, which is now in production at Base Factory 1 in Austin. Base Power described the round as part of its broader effort to scale distributed energy storage and utility partnerships as U.S. power demand rises. Prior funding rounds included a USD 200 million Series B and a USD 1,000 million Series C, with Altimeter among the returning backers in prior rounds. Base Power is an Austin, Texas-based energy startup founded and led by CEO Zach Dell. Its business centers on home battery systems and distributed storage for the power grid, with operations tied to manufacturing in Texas and expansion plans beyond the state.
Oct 2025Series CAddition (lead)$1B$4BBase Power, an Austin-based energy startup founded in 2023, deploys large lithium iron phosphate home battery systems (25-50 kWh) that provide whole-home backup power and form a distributed grid-stabilizing network, primarily in Texas. The company offers batteries with low upfront costs (~$650) and monthly fees ($19–$29), stacking revenue from retail/wholesale energy margins. In October 2025, Base Power raised $1 billion in a Series C round led by Addition, achieving a $4 billion post-money valuation according to Sacra and CEO Zach Dell, though some reports cite $3B or $2.5B. By late 2025, Base Power scaled from 1,500 to 7,000 homes, deploying at a 20 MW/month run rate with near-zero churn. Sacra estimates $12M in annualized revenue for 2025, with projections of $70M in 2026 tied to in-house Gen 3 battery manufacturing and expansion beyond ERCOT. Installation costs ~$10,000 per battery before tax credits yield a ~3.5-year payback. Previous funding included a $200M Series B in April 2025 from Addition, a16z, Lightspeed, and others, bringing total funding to ~$1.3B. The round supports mass deployment amid rising demand from AI data centers, EVs, and renewables straining grids.
Apr 2025Series BAddition (lead); Andreessen Horowitz (lead); Lightspeed Venture Partners (lead); Valor Equity Partners (lead); Trust Ventures; Terrain; Altimeter Capital; Thrive Capital; Jackson Moses$200M$4BBase Power is an Austin, Texas-based startup founded by CEO Zach Dell and COO Justin Lopas, developing a home energy service powered by distributed grid-connected batteries to enhance grid resilience, reduce energy costs, and support peak demand through virtual power plants. The company offers large home battery installations nearly for free, with grid operators paying Base Power for dispatched power, which offsets customer bills. Since its commercial launch in May 2024, Base Power expanded from a few towns outside Austin to over 70 municipalities including Houston and Dallas, achieving an NPS around 80, installations from one per week to 20 per day, and deploying over 10 MWh in a single month. In April 2025, Base Power raised $200 million in a Series B funding round co-led by Addition, Andreessen Horowitz (a16z), Lightspeed Venture Partners, and Valor Equity Partners, with participation from Thrive Capital, Altimeter Capital, Terrain, Trust Ventures, and others. The funds support rapid scaling in Texas, national expansion, building a domestic factory near Austin to manufacture thousands of batteries weekly, enhancing software for sub-second fleet management, and forming utility partnerships. Investors like Lee Fixel of Addition and Antonio Gracias of Valor joined the board. By August 2025, just four months post-Series B, Base Power targeted a $4 billion valuation amid its growth trajectory, aiming to install 100 MWh by mid-2025. Base Power differentiates through vertical integration for faster scaling, leveraging Texas' deregulated energy market as a testbed for electrification challenges from EVs and AI compute. It plans 'capacity as a service' models with regulated utilities outside Texas. A subsequent $1 billion Series C in late 2025 at $3 billion pre-money valuation (led by Addition with Lightspeed, Thrive, Valor, etc.) followed, alongside hires like Zina Bash as Chief Legal Officer and Travis Kavulla as Head of Policy to navigate regulation and national scaling.
May 2024Series AThrive Capital (lead); Trust Ventures; Terrain; Altimeter Capital; Valor Equity Partners$68M--

Who has invested in Base Power?

16 investors have backed Base Power across its funding rounds, including Thrive Capital, Valor Equity Partners, Addition, Altimeter Capital, Andreessen Horowitz and Lightspeed Venture Partners.

Lead investors include Addition, JPMorgan Chase, Ribbit Capital, Valor Equity Partners, Andreessen Horowitz and 2 other investors.


Base Power Investors

Investors in Base Power by funding rounds participated
InvestorHQRoundsRoleFirst check
AdditionUnited StatesUnited States3LeadApr 2025
Altimeter CapitalUnited StatesSan Francisco, CA3ParticipantMay 2024
Valor Equity PartnersUnited StatesChicago, IL3LeadMay 2024
Thrive CapitalUnited StatesNew York City, NY3LeadMay 2024
Trust VenturesUnited StatesAustin, TX2ParticipantMay 2024
TerrainUnited StatesSan Francisco, CA2ParticipantMay 2024
Andreessen HorowitzUnited StatesSan Francisco, CA2LeadApr 2025
Lightspeed Venture PartnersUnited StatesSan Francisco, CA2LeadApr 2025
Layer Global--1ParticipantAug 2026
Ribbit CapitalUnited StatesSan Francisco, CA1LeadAug 2026
JPMorgan ChaseUnited StatesNew York City, NY1LeadAug 2026
CapitalGUnited StatesSan Francisco, CA1ParticipantAug 2026
D1 Capital PartnersUnited StatesNew York City, NY1ParticipantAug 2026

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Base Power Competitors

Base Power competitors include listed companies like TBEA, Siemens Energy India, Enlight Renewable Energy and ACCIONA Energía, and private ones like Northvolt and SK on.

Public and private companies comparable to Base Power
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
TBEAChinaChinaPublicly listed$15B$2.4B$13B1.4x
NorthvoltSwedenStockholmPrivate--$12B-
Siemens Energy IndiaIndiaIndiaPublicly listed$811M$158M$12B10.9x
Enlight Renewable EnergyIsraelIsraelPublicly listed$582M$461M$11B-
SK onSouth KoreaSeoulPrivate--$17B-
ACCIONA EnergíaSpainSpainPublicly listed$3.4B$1.6B$8.1B4.0x

Base Power Public Comps

Base Power is still privately-owned, but its public comps include Nextracker, Longyuan Power, TBEA, LONGi, China Resources Power, Datang International, Hidroelectrica, ADNOC, Frontline and GD Power Development.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
Nextracker$3.6B$747M3.2x2.9x15.3x12.9x
Longyuan Power$4.5B$3.5B7.8x8.0x10.1x10.4x
TBEA$15B$2.4B1.5x1.4x9.5x9.3x
LONGi$10B$139M1.0x1.1x79.3x61.5x
China Resources Power$13B$5.4B3.2x3.1x7.8x8.2x
Datang International$18B$4.9B2.7x2.7x9.8x10.2x
Hidroelectrica$2.2B$1.1B5.5x5.0x11.4x9.3x
ADNOC$9.8B$1.1B1.5x1.4x13.9x11.5x

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Common questions about Base Power

When was Base Power founded?Base Power was founded in 2023.
Where is Base Power headquartered?Base Power is headquartered in Austin, TX, United States.
Is Base Power publicly listed?No, Base Power is a private, VC-backed company.
What is Base Power's valuation?Base Power was last valued at $13B in its Series D in August 2026.
How much funding has Base Power raised?Base Power has raised $2.3B across 4 funding rounds.
What was Base Power's last funding round?Base Power's last funding round was a $1B Series D in August 2026, led by Addition, JPMorgan Chase, Ribbit Capital and Valor Equity Partners.
Who are Base Power's investors?Base Power's investors include Addition, Altimeter Capital, Valor Equity Partners, Thrive Capital, Trust Ventures, Terrain, Andreessen Horowitz, Lightspeed Venture Partners, Layer Global, Ribbit Capital and 6 others.
Which companies are comparable to Base Power?Companies comparable to Base Power include TBEA, Northvolt, Siemens Energy India, Enlight Renewable Energy, SK on and ACCIONA Energía.

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