Antora

Sunnyvale, United States Founded: 2018 • Age: 8 yrs
Manufacturer of thermal battery
Annual revenue - Latest available
Total funding $821.8M 10 rounds
Employees - Tracked headcount
Investors 27 Known backers
Products 3 Services tracked
Competitors 5 Brand Intelligence

About Antora

Antora is a company based in Sunnyvale (United States) founded in 2018 by David Bierman, Justin Briggs, and Andrew Ponec. Antora has raised $821.8 million across 10 funding rounds from investors including Shell, State of California and BlackRock. Antora offers products and services including Heatcore, Combined Heat & Power, and Heatmax. Antora operates in a competitive market with competitors including Rondo Energy, Fourth Power, Terrajoule and Alumina Energy, among others.

  • Headquarter Sunnyvale, United States
  • Founders David Bierman, Justin Briggs, Andrew Ponec
  • Sectors
    Energy & Utilities
  • Email
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  • Phone
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  • Website
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  • Social
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  • Legal Name Antora Energy Inc
Operational Areas
Energy & Utilities → Energy Storage & Efficiency Unlock Sub-Sector Unlock Segment
Key Metrics
  • Annual Revenue
    Not available
  • Net Profit
    Not available
  • EBITDA
    Not available
  • Total Equity Funding
    $821.8 M (USD)

    in 10 rounds

  • Latest Funding Round
    $550 M (USD), Series C

    Jul 30, 2026

  • Investors
    Shell

    & 26 more

  • Employee Count
    Not available
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Products & Services of Antora

Antora offers a comprehensive portfolio of products and services, including Heatcore, Combined Heat & Power, and Heatmax.

Product name locked
Category locked
Primary

Provides up to 400°C heat for industrial energy storage.

Product name locked
Category locked
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In development for delivering heat and power to industries.

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Offers up to 1,500°C heat for high-temperature applications.

People of Antora

Headcount 10-50
Employee Profiles 7
Employee Profiles
People
Andrew Ponec
Chief Executive Officer
People
Rene Griemens
Chief Financial Officer
People
Laura Renfroe
Senior Marketing Lead
People
Justin Briggs
Co-founder and Chief Operating Officer

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Funding Insights of Antora

Antora has successfully raised a total of $821.8M across 10 strategic funding rounds. The most recent funding activity was a Series C round of $550 million completed in July 2026. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

Investors in Antora

Antora has secured backing from 27 investors, including venture fund and institutional investors. Prominent investors backing the company include Shell, State of California and BlackRock.

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Venture Fund
Institutional
Investor Description Founded Year Domain Location
High-risk energy technologies are funded through competitive grants.
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An investment platform is provided for diverse sectors and geographies.
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Venture capital firm backed by GS Group and focused on climate tech, and energy sectors
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Investor details for Antora

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  • Investor domains
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Investments & Acquisitions by Antora

Investments
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Investment portfolio details for Antora

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  • Transaction dates
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Financial Statements - Antora

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Detailed financials for Antora

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  • Profit trends
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Antora Comparisons

Antora Primary company
Description
Manufacturer of thermal battery
Location
Sunnyvale, United States
Founded Year
2018
Annual Revenue
Not available
Net Profit
Not available
EBITDA
Not available
Employees
Not available
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Peer comparison for Antora

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Competitors of Antora

Antora operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Rondo Energy, Fourth Power, Terrajoule and Alumina Energy, among others.

Company Name Domain Founded year HQ Location Description
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Zero-emission heat solutions for industrial applications are provided.
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Utility-scale thermal storage for grid energy is developed.
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Distributed solar generation with integrated low-cost storage is developed.
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Packed bed thermal energy storage technology is developed for efficiency.
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Detailed competitors of Antora

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Latest news on Antora

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Complete news archive for Antora

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  • Brand-specific news history

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Frequently Asked Questions about Antora

Antora was founded in 2018 and raised its 1st funding round 2 years after it was founded.

Antora is headquartered in Sunnyvale, United States. It is registered at Sunnyvale, California, United States.

Andrew Ponec is the current CEO of Antora. They have also founded this company.

Antora is a funded company, having raised a total of $821.8M across 10 funding rounds to date.

Antora was founded in 2018 in Sunnyvale, United States, and operates in the energy storage sector. Thermal batteries are produced by the company to store energy as heat within blocks of solid carbon, enabling power for industrial applications worldwide. Thermophotovoltaic technology is utilized to convert light emitted from the heated carbon blocks into electricity, without reliance on moving parts. Operations focus on sustainable energy solutions for global industry needs.

Antora's top competitors include Rondo Energy, Fourth Power and Alumina Energy.

Antora offers Heatcore, Combined Heat & Power, and Heatmax.

Antora has 27 investors. Key investors include Shell, State of California, BlackRock, BHP, and Temasek.

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