Antora Energy

Summary active Updated Jul 30, 2026

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Location San Jose, CA
Founded 2017
Latest Stage Series C
Total Raised $770M

Investors

John Doerr series-c (2026)
Matt Rogers Early (2018)
Ribbit Capital series-c (2026)
Lowercarbon Capital series-c (2026)
Incite Ventures Early (2018)

Founders

Andrew Ponec Co-Founder & CEO

About

Antora Energy develops thermal battery storage systems that store intermittent renewable electricity as high-temperature heat in solid carbon blocks for heavy industrial applications and data centers 12. The company operates a battery gigafactory in San Jose, California, and is deploying a 5 GWh thermal storage project at a POET ethanol facility in South Dakota that, when completed, will be the largest thermal energy storage project of its kind in the world 12. Antora was founded in 2017 by Andrew Ponec and has raised $770M to date 13.

Funding History

Date Round Amount Lead Co-investors
2026-07-30 Series C $550M G2 Venture Partners, Eclipse Ribbit Capital, Salesforce Ventures, Activate Capital, John Doerr, Westly Group, StepStone Group, Liberty Mutual Strategic Ventures, Decarbonization Partners, Impact Science Ventures, Trust Ventures, Breakthrough Energy Ventures, Lowercarbon Capital 123

The Series C was raised at a $2.47B valuation 2.

What Investors Say

No independently sourced investor commentary beyond press-release attribution at this time.

What Founders Say

No independently sourced founder quotes available at this time.

Sources


  1. Antora Energy, “Antora Closes $550 Million in Series C Funding to Meet Surging Energy Demand and Reindustrialize America,” July 30, 2026. Accessed July 2026. https://www.antora.com/insights/series-c

  2. Crunchbase News, “Battery Storage Startup Antora Raises $550M Series C,” July 30, 2026. Accessed July 2026. https://news.crunchbase.com/clean-tech-and-energy/battery-storage-startup-antora-550m-series-c/

  3. Yahoo Finance / Antora press release, “Antora Closes $550 Million in Series C Funding to Meet Surging Energy Demand and Reindustrialize America,” July 30, 2026. Accessed July 2026. https://finance.yahoo.com/energy/articles/antora-closes-550-million-series-120000921.html