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Antora - About the company

Antora is a series C company based in Sunnyvale (United States), founded in 2018 by Andrew Ponec. It operates as a Manufacturer of thermal battery. Antora has raised $822M in funding from investors like BlackRock, G2 Venture Partners and Eclipse, with a current valuation of $*****. The company has 17 active competitors, including 7 funded and 1 that has exited. Its top competitors include companies like Rondo Energy, Fourth Power and Azelio.

Company Details

Manufacturer of thermal battery. It stores energy as heat in blocks of solid carbon to power global industry. Its thermophotovoltaic technology converts light from the hot carbon blocks into electricity with no moving parts.
Social
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Email ID
*****@antora.com, *****@antora.com
Registered Address
1244 Reamwood Ave, Sunnyvale, CA 94089-2225, US
Key Metrics
Founded Year
2018
Location
Sunnyvale, United States
Stage
Series C
Total Funding
$822M in 12 rounds
Latest Funding Round
Post Money Valuation
$***** as on Jul 30, 2026
Investors
Ranked
Employee Count
275 as on Sep 30, 2026
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Antora's funding and investors

Antora has raised a total funding of $822M over 12 rounds. Its first funding round was on Jun 01, 2020. Its latest funding round was a Series C round on Jul 20, 2026 for $*****. 14 investors participated in its latest round. Antora has 30 institutional investors and 1 angel investor.

Here is the list of recent funding rounds of Antora:lockFilter this list
Date of Funding
Funding Amount
Round Name
Post-Money Valuation
Revenue Multiple
Lead Investors
Other Investors
Jul 20, 2026
2946764
Series C
8472365
8255001
6028743
1016666
Sep 23, 2025
6334605
Grant (prize money)
6670361
7878337
6839308
Jul 25, 2025
6462437
Series B
6384666
5348796
4659985
1284226
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Antora's founders and board of directors

Founder? Claim Profile
The founders of Antora is Andrew Ponec. Andrew Ponec is the CEO of Antora.
Here are the details of Antora's key team members:

Antora's employee count trend

Antora has 275 employees as of Sep 26. Here is Antora's employee count trend over the years:
Employee count trend for Antora
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Antora's Competitors and alternates

Top competitors of Antora include Rondo Energy, Fourth Power and Azelio. Here is the list of Top 10 competitors of Antora, ranked by Tracxn score:
Rank
Company Details
Short Description
Total Funding
Investors
Tracxn Score
1st
Logo for Antora
Antora
2018, Sunnyvale (United States), Series C
Manufacturer of thermal battery
$822M
68/100
2nd
Logo for Rondo Energy
Rondo Energy
2020, Alameda (United States), Series B
Provider of zero-emission heat solution for industrial applications
$107M
58/100
3rd
Logo for Fourth Power
Fourth Power
2021, Cambridge (United States), Series A
Energy storage solutions for grid
$39M
55/100
4th
Logo for Azelio
Azelio
2015, Gothenburg (Sweden), Seed
Provider of solar thermal energy generation technology
$11.5M
49/100
5th
Logo for Brenmiller Energy
Brenmiller Energy
2012, Rosh Haayin (Israel), Public
Provider of integrated industrial energy infrastructure and thermal storage solutions
-
47/100
6th
Logo for Polar Night Energy
Polar Night Energy
2018, Tampere (Finland), Seed
Manufacturer of sand battery based thermal energy storage systems
$8.78M
47/100
7th
Logo for Kyoto
Kyoto
2016, Oslo (Norway), Funding Raised
Provider of a renewable energy storage system
-
29/100
8th
Logo for Synchrostor
Synchrostor
2017, Edinburgh (United Kingdom), Unfunded
Provider of technology solution for energy storage systems
-
-
29/100
9th
Logo for Alumina Energy
Alumina Energy
2014, Santa Monica (United States), Seed
Thermal Storage Technology developer
$100K
29/100
10th
Logo for Terrajoule
Terrajoule
2009, Redwood City (United States), Series A
Provider of information and resources for sustainable energy and environment
$11.5M
27/100
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Antora's Investments and acquisitions

Antora has made no investments or acquisitions yet.

Reports related to Antora

Here is the latest report on Antora's sector:

News related to Antora

lockFilter this list
Media has covered Antora for a total of 9 events in the last 1 year, 4 of them have been about company updates and 1 about partnerships.
•
Scaling Clean Industrial Energy with ManufacturoMiningstockeducation•Nov 11, 2025•Antora, Manufacturo
•
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