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Antora Energy

Antora Energy

Private
Sunnyvale, CaliforniaEnergy & Sustainabilityhttps://www.antora.com/

Last Round

Series C

Jul 30, 2026

Est. Valuation

$2.47B

Total Funding Raised

$765.57M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

Antora Energy is a renewable energy company that develops thermal batteries to convert renewable electricity into reliable, on-demand industrial heat and power.

Sector

Energy & Sustainability

Verticals

Energy Storage, Renewable Energy, Clean Manufacturing, Advanced Materials

Business Model

B2B

Customer Profile

Hardware + Subscription, Hardware Sales, Government Contracts

AI Layer

Non-AI

Keywords

thermal batteryindustrial decarbonizationheat batterythermophotovoltaicTPVprocess heatlong-duration energy storageenergy storagecombined heat and powerCHPHeat-as-a-ServiceHaaSzero-emission heatsolid carbon storageU.S. manufacturingpower purchase agreementPPA

Historical Pricing

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Caplight Momentum Score

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Antora Energy Comparables

Compare Antora Energy with similar companies based on industry and business-model similarity.

Antora Energy comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Rondo Energy
93%
Tempo
80%
Brenmiller Energy
78%

Antora Energy Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series CJul 30, 2026
GrantJun 25, 2024
Series BFeb 22, 2024
GrantNov 15, 2023
Series AFeb 16, 2022
Accelerator
Jan 1, 2019

Key People

Founding team and executive leadership

David Bierman

Co-Founder, Chief Commercial Officer

Founding Team

Justin Briggs

Co-founder and Chief Operating Officer

Founding Team

Andrew Ponec

Co-founder and CEO

Founding Team

Rene Griemens

Chief Financial Officer

Executive Team

Antora Energy Investors

Notable investors and investment history

Antora Energy investors
InvestorRounds
Impact ScienceSeries A
Grok VenturesSeries A, Series B
TemasekSeries B
Liberty Mutual Strategic VenturesSeries C
The Westly GroupSeries C
Gigascale CapitalSeries A
GS FuturesSeries B

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 30, 2026

    $550M round led by Eclipse Ventures and G2 Venture Partners.

  • Jun 15, 2026

    Operational thermal energy storage facility at a POET site in South Dakota.

Recent news

Latest coverage and updates

  • is_developingSep 10, 2026

    Antora Energy, Inc. is developing carbon-based materials for Antora's thermal batteries on Sep 10th '26.

  • is_developingSep 10, 2026

    Antora Energy, Inc. is developing carbon-based thermal batteries for industrial facilities on Sep 10th '26.

  • has_revenueSep 2, 2026

    Antora Energy, Inc. had revenue of $59.1M on Sep 1st '25.

  • expands_facilitiesAug 6, 2026

    Antora Energy, Inc. expands facilities to United States, Northern America, Americas.

  • expands_facilitiesAug 3, 2026

    Antora Energy, Inc. expanded facilities to United States, Northern America, Americas on Aug 3rd '26.

Antora Energy Filings

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Antora Energy filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about Antora Energy's valuation, stock price, and market status.

Is Antora Energy a public or private company?

Antora Energy is a private company.

What is the current stock price of Antora Energy?

Antora Energy is a private company with no public stock price. No recent secondary market data is available.

How much is Antora Energy worth (valuation)?

Antora Energy's valuation is estimated at $150.0M based on funding round data.

Can I buy Antora Energy stock?

Antora Energy shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Antora Energy's last funding round?

Antora Energy's most recent funding round was Grant on February 16, 2022.

Who are the main investors in Antora Energy?

Key investors in Antora Energy include Breakthrough Energy Ventures, Breakthrough Energy Foundation, Decarbonization Partners, Lowercarbon Capital, Breakthrough Energy Discovery.

Will Antora Energy IPO soon?

No public IPO plans have been announced for Antora Energy.

How can I track Antora Energy secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Antora Energy's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSunnyvale, California
Employee Range228
Year Founded2018
Last FundingJul 30, 2026

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