Solar Energy Technologies Office
Overview
The U.S. Department of Energy (DOE) Solar Energy Technologies Office (SETO) is a government office that funds early-stage research and development in photovoltaics, concentrating solar-thermal power, and systems integration. Its goal is to improve the affordability, reliability, and performance of solar technologies to support the transition to a decarbonized U.S. economy. SETO provides funding through competitive solicitations, such as grants and prizes, to private companies, universities, national laboratories, and non-profit organizations.
Portfolio Companies
20
Website
energy.govInvestments
| Company | Date | Stage | Lead |
|---|---|---|---|
| Expand Power Technologies, Inc. | Jan 2025 | Grant | Co-investor |
| Gritt | Sep 2024 | Grant | Co-investor |
| Tandem PV | Jun 2024 | Grant | Co-investor |
| Smartville Inc. | Nov 2023 | Grant | Co-investor |
| Leaptran, Inc. | Sep 2023 | Grant | Co-investor |
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Sector & Stage Mix
Industry, funding stage, and valuation band breakdowns.
FAQ
Where is Solar Energy Technologies Office based?
Solar Energy Technologies Office is headquartered in District of Columbia.
When was Solar Energy Technologies Office founded?
Founding year information for Solar Energy Technologies Office is not publicly available.
How many portfolio companies does Solar Energy Technologies Office have?
Solar Energy Technologies Office has 20 portfolio companies in Caplight's dataset.
What are some companies in Solar Energy Technologies Office's portfolio?
Recent investments visible on Caplight include Expand Power Technologies, Inc., Gritt, Tandem PV, Smartville Inc., Leaptran, Inc..
What was Solar Energy Technologies Office's most recent investment?
Solar Energy Technologies Office's most recent investment on Caplight was in Expand Power Technologies, Inc. in 2025.
What sectors does Solar Energy Technologies Office focus on?
Solar Energy Technologies Office focuses on Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Enterprise Software, Energy & Sustainability, Frontier & Industrial Tech, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Frontier & Industrial Tech, Energy & Sustainability, Frontier & Industrial Tech, Frontier & Industrial Tech, Mobility, Transportation & Logistics, Real Estate & PropTech, Energy & Sustainability, AI, Data & Cloud Infrastructure, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, AI, Data & Cloud Infrastructure, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech.
What company stages does Solar Energy Technologies Office focus on?
Solar Energy Technologies Office typically invests at the MultiStage stage.