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Clean Energy & Climate Investors

Investors and funding options for solar, storage, efficiency, climate technology and environmental projects.

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Clean energy funding comes in two broad forms. Companies building new technology raise equity from angels and venture funds, while projects that produce steady income, such as a solar farm or a building retrofit, are often funded with project finance: debt and equity tied to that specific asset.

1,588
investor listings in the PitchStreet directory match this guide.
Investor types
Private Equity Investment Firm (855), Private Venture Capital Firm (651), Angel Investor Group (25)
Top locations
California (157), New York (142), Texas (126), Illinois (46), Massachusetts (45)
Stages funded
Expansion (1,057), Early Stage (768), MBO/LBO (754), Startup (636)

Funding sources for clean energy

What investors want to see

For technology: proof it works, the cost compared with what it replaces, and a path to scale. For projects: the site, permits, grid connection, a contract to sell the power or savings, and the expected return over the life of the asset.

Frequently asked questions

How do I fund a solar or renewable project?

Revenue-producing projects are usually funded with a mix of project debt and equity, often helped by tax credits or incentives. A signed agreement to sell the power makes financing much easier.

Do venture capital firms invest in climate tech?

Yes. Many funds now invest in climate technology, from batteries and grid software to carbon removal. Check each fund's stated focus and stage.

Are there grants for clean energy companies?

Many governments offer grants, tax credits and loan programs for clean energy. They vary widely by location and change over time, so check current programs where you operate.

Can I list a clean energy project on PitchStreet?

Yes. Creating a profile and posting your pitch is free. Sending and reading messages needs a Paid Member plan.

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Related guides

This guide is general information, not investment, legal or tax advice. Directory figures update automatically. PitchStreet is a network that connects people who need capital with people who have it; it is not a lender, broker or investment adviser.