Startup · United States
Exowatt
HQ Miami, FloridaFounded 202351-200 employeesUpdated
Exowatt is revolutionizing renewable energy with its modular, full-stack solutions designed to provide up to 24 hours of dispatchable power and heat for commercial and industrial applications.
Funding5 rounds · $105M
- Equity raised
- $105M
- Debt, secondaries & grants
- $35.0M
- Latest
- $50.0MSeries A · Nov 13, 2025
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Nov 13, 2025 | Series A | $50.0M | — | 8090 Industries, MVP Ventures | Felicis, Overmatch, StepStone Group | Reported |
| Apr 22, 2025 | Debt | $35.0M | — | HSBC Innovation Banking | — | Confirmed |
| Apr 22, 2025 | Series A | $35.0M | — | Felicis | 8090 Industries, Andreessen Horowitz, MVP Ventures, StepStone Group, Thrive Capital | Confirmed |
| Apr 22, 2024 | Seed | $20.0M | — | Andreessen Horowitz, Sam Altman | — | Reported |
| 2026 | Series B | Undisclosed | — | — | — | Speculative |
- $50.0MNov 13, 2025
- $35.0MApr 22, 2025
- $35.0MApr 22, 2025
- SeedLed by Andreessen Horowitz, Sam Altman$20.0MApr 22, 2024
- Series BSpeculativeUndisclosed2026
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
Systems1
- Exowatt P3Modular solar-energy system combining heat collection, thermal storage and electricity generation.
Newest unveiled first. Systems that belong to a government program link to the program page, where variants, costs and contracts are.
Capabilities1
| Technology | Role | Maturity | TRL | Notes | Confidence |
|---|---|---|---|---|---|
| Power, grids and energy storage | Developer | — | — | classify_sectors run 37, haiku, taxonomy 2026-10-18b: Modular solar thermal storage delivering dispatchable power for commercial and industrial customers, with no defense use stated. | Reported |
- Developerclassify_sectors run 37, haiku, taxonomy 2026-10-18b: Modular solar thermal storage delivering dispatchable power for commercial and industrial customers, with no defense use stated.—Reported
Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.
People3
| Person | Role |
|---|---|
| Hannan H · LinkedIn ↗ | CEO |
| Jack Abraham · LinkedIn ↗ | Co-founder |
| Hannan Happi | CEO |
Hiring Observations10 observed listings
A sample of observed listings, not a total vacancy count. Availability may have changed since collection. Categories are inferred from job titles.
Sources22
Show all 22 sources and supporting evidence
Profile4
- 1
PitchBook · Supports Organization · employee range
“employee_range: 51-200 (profile: 76)”
- 2
Black Flag · Supports Organization
“Designs modular, dispatchable solar energy systems to provide ultra-low-cost, reliable power for AI data centers and commercial or industrial customers.”
- 3
Crunchbase · Supports Organization · employee range
“employee_range: 51-200 (profile: 51-100)”
- 4CompanyExowatt (@ExowattEnergy) / X
X · Supports Organization · x url
“Exowatt is building the solar backbone for the AI era.”
Systems1
- 5
Exowatt · Supports System
“The Exowatt P3 delivers power on demand by capturing and storing solar energy in the form of high-temperature heat and converting it into dispatchable electricity as needed.”
Funding5
- 6
VC News Daily · Nov 13, 2025 · Supports Funding round · amount
“The $50 million capital investment was led by MVP Ventures and 8090 Industries and is an extension to Exowatt's April 2025 $70 million Series A round”
- 7
GlobeNewswire · Apr 22, 2025 · Supports Funding round, Funding round · amount
“today announced the close of its $70 million Series A round”
- 8
Fortune · Apr 22, 2024 · Supports Funding round
“OpenAI CEO Sam Altman led a funding round for a solar energy startup”
- 9
VC News Daily · Apr 22, 2024 · Supports Funding round · amount
“a $20 million seed round from a16z, Atomic, and Sam Altman”
- 10
Multiples · Supports Funding round
“Amount undisclosed · Feb 2026”
People2
- 11OtherBlack Flag 100
Black Flag · Supports Organization, Role
“Exowatt is revolutionizing renewable energy with its modular, full-stack solutions designed to provide up to 24 hours of dispatchable power and heat for”
- 12
LinkedIn · Supports Organization · employee range, Organization · hq region, Role
“employee_range: 51-200 (profile: 51-200 employees)”
Other10
- 13
Black Flag · Supports Job posting
“Brand & Communications Lead”
- 14
Black Flag · Supports Job posting
“Controls & Firmware Engineer”
- 15
Black Flag · Supports Job posting
“Engine Test & Development Engineer”
- 16
Black Flag · Supports Job posting
“General Application - Join the Exowatt Talent Network”
- 17
Black Flag · Supports Job posting
“Lead Machinist”
- 18
Black Flag · Supports Job posting
“Lead Materials Engineer”
- 19
Black Flag · Supports Job posting
“Lead Mechanical Engineer”
- 20
Black Flag · Supports Job posting
“Lead Mechanical Engineer - Structures”
- 21
Black Flag · Supports Job posting
“Lead Power Systems Engineer”
- 22
Black Flag · Supports Job posting
“Systems Engineer”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.