Antora Energy
antora.com
Actively hiring
Energy Management
Energy Storage
As featured in
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Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Total raised
$554M
4 rounds on record
Latest round
$550M
Series C · Jul 2026 · 2 mo ago
Team
501-1000
employees, estimated range
Hiring now
35
+15 posted in 30 days
Grants
$735k
1 grant · CORDIS
Backers
3
G2VP, Lowercarbon Capital
The money's age
Fresh money
2 months since the last round · and hiring
Momentum
62/100
hiring for its size, a new city, in the news, fresh money
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Sep 10
Partnership GrafTech and Antora Energy Partner to Power American Industry with Carbon · rutlandherald.com
Aug 24
First sales or marketing role Head of Epitaxy Program
Aug 4
Board appointment Christina Karapataki, Director · SEC Form D
Jul 31
Raised a round Series C $550M · Ventureburn
Jul 30
First executive search Director of Grid Policy
Jul 25, 2025
Took on debt financing $71.7M · SEC Form D
Nov 15, 2023
Raised a round Venture round $4M
Sep 12, 2023
Launched Antora Energy Launches Ready-to-Scale Industrial Decarbonization Technology & Establishes New Ultra-High-Temperature Record · businesswire.com
Jun 1, 2020
Won a grant $735k · CORDIS
2017
Founded
Tractionpublic signals, read monthly
Web presence
top 5%
of 133.2M domains by links, Common Crawl
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Series C | Jul 2026 | $550M | — | Ventureburn |
| Debt Financing | Jul 2025 | $71.7M | — | SEC Form D |
| Venture round | Nov 2023 | $4M | — | businesswire.com |
| Grant | Jun 2020 | $735k | — | CORDIS |
Registers and programsofficial lists and records that name the company
| Legal entity | Antora Energy, Inc. | SEC Form D |
Founders and leadersfrom filings, registers and the company's site
Andrew PonecExecutive Officer, DirectorSEC Form D
Justin BriggsExecutive Officer, DirectorSEC Form D
David BiermanExecutive Officer, DirectorSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
G2VP 
Lowercarbon Capital 
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How Antora Energy hires
Truth index
B 80/100
Median time to fill
83 days
Ghost roles
0%
Stale roles
60%
Reposted roles
0%
Antora Energy scores B on the Alion truth index (A is best, E worst), measured over 5 open roles re-checked against its own hiring board: 0% look like ghost listings, 60% have gone stale and 0% are the same role posted again. Its roles close in a median of 83 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
Overview
Antora Energy builds modular thermal batteries that store low-cost renewable electricity as heat in solid carbon blocks and deliver it back as industrial heat and power. Its factory-built systems let manufacturers and other industrial facilities run around the clock while cutting fossil fuel use, and the company operates manufacturing and project sites in San Jose, California and Pratt, Kansas. The company is headquartered in Sunnyvale, California, United States.
News
GrafTech and Antora Energy Partner to Power American Industry with Carbon - Company Announcement - FT.com
The latest company information, including net asset values, performance, holding & sectors weighting, changes in voting rights, and directors and dealings.
Read more
Report
Antora raises $550 million for U.S.-made thermal battery storage
U.S. manufacturer closes funding round shortly after deploying 5 GWh thermal battery in South Dakota. New finance will be used to accelerate deployment and establish a second U.S. manufacturing facility.
Read more
Report
Antora Closes $550 Million in Series C Funding to Meet Surging Energy Demand in US
Antora Energy, a U.S. energy storage company, announced its closing on $550 million in Series C funding. The oversubscribed round was co-led by G2 Venture Partners and Eclipse.
Read more
Report
Antora Energy Raises $550 Million In Series C Funding Co-Led By G2 Venture Partners And Eclipse
Antora Energy has raised $550 million in an oversubscribed Series C funding round co-led by G2 Venture Partners and Eclipse. New investors in the round included Ribbit Capital, Salesforce Ventures, Activate Capital, John Doerr, Westly Group, StepStone Gro
Read more
Report
Antora Energy Raises $550M To Expand Thermal Battery Production For AI And Industry
Antora Energy Raises $550M to expand thermal battery production for industry, AI data centres and grid-scale energy storage.
Read more
Report
Battery Storage Startup Antora Closes $550M Series C In One Of Year's Largest Cleantech Rounds
Amid soaring energy demand from AI data centers, Antora says it will use its new capital to speed up deployment of
Read more
Report
The hidden innovation behind Antora's massive new heat battery
The startup is turning on a 200-battery project in South Dakota - and pioneering an electric utility rate that could help boost thermal energy storage…
Read more
Report
Cannon-Brookes backs pioneering US thermal energy storage play
Antora is in talks with Australian energy users about deploying its graphite-based batteries here.
Read more
Report
Show more news
Tech stack
Technologies named in job postings at Antora Energy over the last 12 months, by layer, with the share of postings for each.
Technologies in use
32
Postings analysed
25
Stack modernity
81/100AI adopter
Languages
Python36%
SQL12%
MATLAB8%
Go4%
Frameworks & libraries
Dagster4%
Databases
ClickHouse8%
Cloud & platforms
AWS4%
AWS Lambda4%
Amazon ECS4%
NATS4%
AI & ML
ChatGPT16%
Claude16%
Gemini4%
LLM4%
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Full Antora Energy tech stack
32 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$190k
Typical range
$58k – $260k
Open positions
34
29
Jobs
Junior
6.9%
Middle
24.1%
Senior
44.8%
Staff
17.2%
Principal
3.4%
Architect
3.4%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Junior | 2 | $137k | $84k – $190k |
| Middle | 7 | $135k | $58k – $185k |
| Senior | 13 | $200k | $66k – $225k |
| Staff | 5 | $225k | $193k – $240k |
| Principal | 1 | $260k | $260k |
| Architect | 1 | $255k | $255k |
Highest paying role
Principal, Power Procurement
$260k
Normalized to USD per year
All salaries at Antora Energy
By role, level and city, against the market · 34 jobs with pay
People
Andrew Ponec
Executive Officer, Director
Justin Briggs
Executive Officer, Director
David Bierman
Executive Officer, Director
Scott Himmelberger
Director
Brook Porter
Director
Christina Karapataki
Director
Clay Dumas
Director
Joe Fath
Director
John Woolard
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data
Growth
Hiring Momentum
79/100
Scaling fast
Open positions
35
12 opened / 4 closed in 30 days
Median time-to-fill
88 days
faster than 15% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Industrial Engineering
31% ▼
Field & Service
14% ▲
Management
11%
Backend
6% ▼
Finance
6%
HR
6%
Actively hiring for Industrial Engineering (+5 in 30 days)
Activity Timeline
New location: United States
Oct 2026
New location: Pratt
Sep 2026
New location: St. Marys
Sep 2026
Added Microsoft Office to stack
Sep 2026
Added Slack to stack
Sep 2026
Added Gemini to stack
Sep 2026
Added Microsoft Excel to stack
Sep 2026
New location: Sunnyvale
Sep 2026
Added Tool Use to stack
Sep 2026
Added Smartsheet to stack
Sep 2026
Added Google Sheets to stack
Sep 2026
Added Power BI to stack
Sep 2026
Offices
Where the company hires and what each office is for
Cities
5
Hiring now
5
Countries
1
Busiest office
Sunnyvale
Loading the map
Headquarters
Builds here
Office with open vacancies
Tap a pin for the office
Sunnyvale
United States
HQ
Antora - Reamwood
3 open roles 3 posted in 90 days 50-200 est. staff $210k Avg Salary
hires for Industrial Engineering, Marketing
1244 Reamwood Ave, Sunnyvale, CA 94089
San Jose
United States
Plant / site
Antora - Reamwood
23 open roles 19 posted in 90 days 9% engineering 4% remote 500-1000 est. staff $172k Avg Salary
hires for Industrial Engineering, Field & Service, Finance
2350 Zanker Rd, San Jose, CA 95131
Pratt
United States
Plant / site
Antora - Field
2 open roles 3 posted in 90 days 50-200 est. staff $66k Avg Salary
hires for Operations, Field & Service
Big Stone City
United States
Plant / site
Antora - Field
2 open roles 1 posted in 90 days 10-50 est. staff $68k Avg Salary
hires for Field & Service
St. Marys
United States
Antora - Field
1 open roles 1 posted in 90 days 10-50 est. staff $58k Avg Salary
hires for Field & Service
Jobs
$138k – $190k per year • Equity • In office • 2+ years exp • Bachelor's Degree • San Jose
Apply
$183k – $240k per year • Equity • Remote (United States)
Python
TypeScript
SQL
ClickHouse
AI/ML
Model Context Protocol
dbt
LLM
Time Series Forecasting
LLM Guardrails
Tool Use
Apply
$183k – $240k per year • Equity • Remote (United States)
Python
Go
NATS
ClickHouse
AI/ML
Dagster
Time Series Forecasting
DevOps
Terraform
CI/CD
AWS
AWS Lambda
Progressive Delivery
Amazon ECS
IoT
MQTT
Apply