Exowatt
exowatt.com
Actively hiring
Energy Storage
Solar Energy
As featured in
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Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Total raised
$120M
2 rounds on record
Latest round
$50M
Venture round · Nov 2025 · 11 mo ago
Team
49
US Form 5500 (plan participants) · Dec 2025 · +133% in a year
Hiring now
12
+5 posted in 30 days
Backers
4
Atomic, Andreessen Horowitz
The money's age
Fresh money
11 months since the last round · and hiring
Momentum
37/100
hiring for its size, 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
Feb 2
Launched Sam Altman-Backed Exowatt Launches ExoRise for AI Power · eWeek
2025
Team of 49 was 21 · US Form 5500 (plan participants)
Nov 14, 2025
Raised a round Venture round $50M · Pulse 2.0
Apr 21, 2025
Raised a round Series A $70M
Sep 10, 2024
Launched Exowatt Unveils Pioneering Modular Energy Platform to Revolutionize Renewable Energy for AI-Driven Data Centers · businesswire.com
2023
Founded
Tractionpublic signals, read monthly
Web presence
top 6%
of 133.2M domains by links, Common Crawl
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Venture round | Nov 2025 | $50M | — | Pulse 2.0 |
| Series A | Apr 2025 | $70M | — | datacenterdynamics.com |
Backed byfrom the funds' portfolios and accelerator catalogs
Atomic 
Andreessen Horowitz 
Felicis 
Florida Opportunity Fund Investors in similar startupsfunds that back the companies most like this one
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How Exowatt hires
Truth index
A 95/100
Median time to fill
114 days
Ghost roles
0%
Stale roles
0%
Reposted roles
0%
Exowatt scores A on the Alion truth index (A is best, E worst), measured over 9 open roles re-checked against its own hiring board: 0% look like ghost listings, 0% have gone stale and 0% are the same role posted again. Its roles close in a median of 114 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
Exowatt is an energy technology company that builds modular systems combining solar thermal collection with heat storage to supply dispatchable power to commercial and industrial customers, with a focus on data centers serving artificial intelligence workloads. Its units capture sunlight as heat, store it and convert it into electricity on demand. The company was founded in 2023 and runs engineering and manufacturing work in Austin and Miami. The company is headquartered in Miami, Florida, United States.
News
Sam Altman-backedExowatttargets 'Frontier Land' data centers with modular solar thermal storage
Rather than targeting datacenters in space, clean energy developer Exowatt looks to the desert to develop an off-grid, behind-the-meter generation model, enabling artificial intelligence data centers to bypass congested utility transmission queues.
Read more
Report
The hottest place for startups to strike a deal? The F1 paddock
F1 Grands Prix have emerged as a new place to see and be seen if you are a founder or investor.
Read more
Report
Exowatt: A New Take on Solar Data Centers
Thermal Solar Modules Optimize for Power and Long-Duration Energy Storage
Read more
Report
Exowatt taps DG Matrix solid-state transformers to route power for gigawatt-scale solar data center builds
Read more
Report
Sam Altman-Backed Exowatt Launches ExoRise for AI Power
ExoRise will develop powered land and on-site clean energy for AI data centers across the US Southwest.
Read more
Report
Report
Exowatt: $50 Million Closed To Advance U.S. Rollout Of Dispatchable Solar For The AI Era
Exowatt has secured an additional $50 million to expand its U.S. manufacturing footprint and accelerate deployments of its Exowatt P3 systems to the rapidly growing network of AI data centers and industrial facilities nationwide. MVP Ventures and 8090 Ind
Read more
Report
Exowatt has a rock-solid plan to provide cheap, abundant energy for AI data centers
Exowatt Inc., a solar-thermal energy startup backed by OpenAI Group PBC Chief Executive Sam Altman and other high-profile investors, wants to solve the artificial intelligence energy crisis with milli
Read more
Report
Exclusive: Sam Altman-backed Exowatt wants to power AI data centers with billions of hot rocks
The solar-thermal startup wants to deliver electricity for as little as one cent per kWh. But first it has to scale production to 1 million units per year.
Read more
Report
Show more news
Tech stack
Technologies named in job postings at Exowatt over the last 12 months, by layer, with the share of postings for each.
Technologies in use
30
Postings analysed
14
Stack modernity
75/100AI adopter
Languages
MATLAB43%
Python36%
C++14%
Rust7%
Frameworks & libraries
Ray14%
NumPy7%
Transformers7%
OpenCV7%
Databases
InfluxDB7%
Cloud & platforms
AWS21%
GitHub7%
GitHub Actions7%
Amazon CloudWatch7%
AI & ML
Claude14%
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Full Exowatt tech stack
30 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$208k
Typical range
$200k – $215k
Open positions
2
2
Jobs
Staff
100%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Staff | 2 | $208k | $200k – $215k |
Highest paying role
Lead Materials Engineer (Miami, FL)
$215k
Normalized to USD per year
Growth
Hiring Momentum
77/100
Scaling fast
Open positions
12
6 opened / 8 closed in 30 days
Median time-to-fill
114 days
faster than 12% 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
50%
Hardware
14% ▼
HR
14% ▼
Field & Service
14% ▼
Product
7% ▲
Actively hiring for Industrial Engineering (+3 in 30 days)
Activity Timeline
Added LinkedIn to stack
Sep 2026
Added Windows to stack
Sep 2026
Added Smartsheet to stack
Sep 2026
Added Jira to stack
Sep 2026
Added Asana to stack
Sep 2026
Added Error Budget to stack
Sep 2026
Added Digital Twin to stack
Sep 2026
Added Ray to stack
Aug 2026
Added OpenCV to stack
Aug 2026
Added NumPy to stack
Aug 2026
Added OpenAI Codex to stack
Aug 2026
Added Model Context Protocol to stack
Aug 2026
Offices
Where the company hires and what each office is for
Cities
3
Hiring now
2
Countries
1
Busiest office
Miami
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Headquarters
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Miami
United States
HQ
7 open roles 6 posted in 90 days 43% engineering 10-50 est. staff $208k Avg Salary
hires for Industrial Engineering, Hardware, QA
Austin
United States
Plant / site
7 open roles 8 posted in 90 days 14% engineering 50-200 est. staff
hires for Industrial Engineering, Hardware, Field & Service
San Francisco
United States
Regional office
Get in touch
1205 Willow Creek Blvd, Suite 300, San Francisco, CA 94107
Jobs
≈ $123k – $226k per year (Estimated) • In office • Full-Time • 3+ years exp • Bachelor's Degree • Austin
MATLAB
KiCad
Apply
≈ $145k – $276k per year (Estimated) • In office • Full-Time • 10+ years exp • Bachelor's Degree • Miami
MATLAB
Simulink
AI/ML
Transformers
Chips/EDA
LTspice
Apply
$155k – $200k per year • In office • Full-Time • 2+ years exp • Bachelor's Degree • Miami
Python
Rust
C++
InfluxDB
DevOps
GitHub Actions
CI/CD
AWS
GitHub
Amazon CloudWatch
IoT
MQTT
OPC UA
Apply