COMPANY PROFILE · UPDATED 13 SEP 2026

Radiant

Radiant develops the first portable, zero-emissions power source that works anywhere.

El Segundo, CA

Climate & Energy Clean Energy & Grid Series C Renewable Energy Companies Climate Companies Solar Energy Companies Energy Companies Wind Energy Companies

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Founded: 2019
Headcount: 31
Open roles: 95
Last raised: Series D

LOCATIONS

Where they work

Radiant offices

El Segundo, CA

FUNDING

Capital raised

Total raised

$584,869,978

Investors

Funding rounds

Series D
Boost VC, Draper Associates, Giant Ventures, StepStone Group, DCVC, Founders Fund, ARK Venture Fund, Chevron, Align Ventures, Andreessen Horowitz, Friends & Family Capital, In-Q-Tel, Union Square Ventures, Sahin Boydas, Alumni Ventures, Felicis Ventures, Manhattan Venture Partners, Washington Harbour Partners
$300MDec 17, 2025
Series Unknown ↗
SEC Form D · filed 2025-06-10
$66MFeb 13, 2025
Series C
Alumni Ventures Group, DCVC, Chevron Technology Ventures, Washington Harbour Partners, Union Square Ventures, Founders Fund, Decisive Point, Boost VC, Mckinley Capital Management, Also Capital, Andreessen Horowitz, Felicis, Align Ventures, Giant Ventures, HartBeat Ventures, Gigascale Capital, StepStone Group, SGA Capital, ARK Venture Fund, Pax Ventures, Hanwha Asset Management Deeptech Venture Fund, Crossbeam Venture Partners
$165MNov 13, 2024
Series B
Andreessen Horowitz, Founders Fund, Boost VC, Draper Associates, Cantos Ventures, Mckinley Capital Management, Decisive Point
$40MApr 17, 2023
Series A
Union Square Ventures, Decisive Point, Tribe Capital, Mckinley Capital Management, Also Capital, Cantos Ventures, Mantis., Arjun Sethi
$12.6MMar 2, 2022
Angel
Josh Manchester, Charlie Songhurst, Hank Vigil, Thomas McInerney, TGM
$1.2MSep 21, 2020

Funding data via Diffbot, SEC EDGAR filings and company announcements — a round from a filing or announcement links to it

TECH STACK

How Radiant builds

Extracted from Radiant’s job postings we’ve tracked

×N is how many of Radiant’s open roles mention that technology.

Other Software & Platforms

Workday×89 ANSYS×16 Simulink×5 Siemens Teamcenter×4 Microsoft Office×2 Adobe Creative Suite

Programming Languages

Python×15 C++×9 C#×6 MATLAB×5 Embedded C×2

Frameworks & Libraries

Spring×5 Rails×4 Metal×2

Design Tools

SolidWorks×4 Altium Designer×2

DevOps & Infrastructure

Windows×3 CMake×2

AI & Machine Learning

Transformers×3

Databases

SQL×2

OPEN ROLES

Hiring at Radiant

View all 95 open roles →

LEADERSHIP

Founders & key people

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