Skip to main content
Caplight Logo









Cleantech Open

Cleantech Open

Los Angeles, Californiacleantechopen.org

Overview

Cleantech Open is a non-profit organization that runs the world's oldest and largest cleantech startup accelerator program. Its mission is to find, fund, and foster entrepreneurs with ideas to solve environmental and energy challenges. Through its annual accelerator, it provides early-stage startups with mentorship, training, networking opportunities, and access to investors. The organization awards prizes that can include cash grants and seed capital investments in the form of convertible notes. Some regional chapters, like Cleantech Open West, are programs of the Los Angeles Cleantech Incubator (LACI).

Portfolio Companies

55

Investments

Cleantech Open investments
CompanyDateStageLead
Helion EnergyNov 2013GrantCo-investor
YouSolar, Inc.Dec 2018Series ACo-investor
Proof EnergyOct 2020AcceleratorCo-investor
LuftCarSep 2021AcceleratorCo-investor
75FSep 2019Series ACo-investor
Book a demo to see all 55 portfolio companies

For institutional investors. Book with your work email.

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

Premium
SeedSeries ASeries BGrowth

Portfolio analytics

Caplight clients see full sector, stage and valuation breakdowns for this investor.

Book a demo to see full analytics

For institutional investors. Book with your work email.

Investment Activity

Yearly cadence, pace, and funding raised over time.

Premium
2021
2022
2023
2024
2025
2026

Portfolio analytics

Caplight clients see yearly investment pace and funding raised over time.

Book a demo to see full analytics

For institutional investors. Book with your work email.

FAQ

Where is Cleantech Open based?

Cleantech Open is headquartered in Los Angeles, California, United States.

When was Cleantech Open founded?

Founding year information for Cleantech Open is not publicly available.

How many portfolio companies does Cleantech Open have?

Cleantech Open has 55 portfolio companies in Caplight's dataset.

What are some companies in Cleantech Open's portfolio?

Portfolio companies visible on Caplight include Helion Energy, YouSolar, Inc., Proof Energy, LuftCar, 75F.

What was Cleantech Open's most recent investment shown here?

Cleantech Open's most recent investment in this portfolio sample was in LuftCar in 2021.

What sectors does Cleantech Open focus on?

Cleantech Open focuses on Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Frontier & Industrial Tech, Energy & Sustainability, Mobility, Transportation & Logistics, Energy & Sustainability, Energy & Sustainability, Consumer & Commerce, Energy & Sustainability, Frontier & Industrial Tech, Frontier & Industrial Tech, Energy & Sustainability, Frontier & Industrial Tech, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Mobility, Transportation & Logistics, Mobility, Transportation & Logistics, Frontier & Industrial Tech, Mobility, Transportation & Logistics, Energy & Sustainability, Frontier & Industrial Tech, Energy & Sustainability, Cybersecurity, Energy & Sustainability, Energy & Sustainability, Consumer & Commerce, Energy & Sustainability, Mobility, Transportation & Logistics, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Healthcare & Life Sciences, Energy & Sustainability, Energy & Sustainability, Mobility, Transportation & Logistics, Energy & Sustainability, Energy & Sustainability, Frontier & Industrial Tech, Energy & Sustainability, Frontier & Industrial Tech, Healthcare & Life Sciences, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Consumer & Commerce, AI, Data & Cloud Infrastructure, Mobility, Transportation & Logistics, Mobility, Transportation & Logistics, Energy & Sustainability, AI, Data & Cloud Infrastructure, Energy & Sustainability, Frontier & Industrial Tech, Energy & Sustainability, Real Estate & PropTech, Frontier & Industrial Tech, Enterprise Software, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Energy & Sustainability, Frontier & Industrial Tech, Frontier & Industrial Tech, Enterprise Software, Enterprise Software, Mobility, Transportation & Logistics, Real Estate & PropTech, Energy & Sustainability, Energy & Sustainability, Telecommunications & Networking, Mobility, Transportation & Logistics, Healthcare & Life Sciences, Energy & Sustainability, Frontier & Industrial Tech, Mobility, Transportation & Logistics, Frontier & Industrial Tech, Enterprise Software, Mobility, Transportation & Logistics, Energy & Sustainability, Energy & Sustainability, Enterprise Software, Energy & Sustainability, Consumer & Commerce, Frontier & Industrial Tech, Frontier & Industrial Tech, AI, Data & Cloud Infrastructure, Frontier & Industrial Tech, Frontier & Industrial Tech, Mobility, Transportation & Logistics, Frontier & Industrial Tech, Mobility, Transportation & Logistics, Energy & Sustainability, Energy & Sustainability, Frontier & Industrial Tech, Frontier & Industrial Tech, 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 Cleantech Open focus on?

Cleantech Open typically invests at the Early stage.

Firmographic Details

HeadquartersLos Angeles, California
Year FoundedN/A

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Book a demo

For institutional investors. Book with your work email.

See something wrong or outdated?