Who is eligible for Cleantech Open Accelerator?

Early Stage · Focus: climate, energy · Location: United States · Region: United States

What do I need to apply?

Early Stage Startup, Early Stage, climate, energy

Applications Openaccelerators

Cleantech Open Accelerator

domainCleantech Open Accelerator·verifiedVerified · Sep 20

Funding / Offer

See program page

scheduleDurationVaries

pie_chartEquitySee program

eventStatusApplications Open

Quick Links

infoAbout Cleantech Open Accelerator

· Trust Signal

Verified

Manually checked by the FoundersPrime team. Last verified Sep 20.

verifiedHand-verified deal

· Founder Tip

Apply with a company email matching your domain. Approval rates jump 3× when emails match.

schedule

Duration

Varies

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Equity

See program

payments

Funding

See program page

military_tech

Selectivity

Competitive

infoAbout this program

Cleantech Open Accelerator is a accelerator run by Cleantech Open Accelerator in United States. Funding and support: See program page. Eligibility: Founders and startups eligible in United States. Deadline: See program page. Apply at https://www.cleantechopen.org/en/page/2026-cto-accelerator-en.

inventory_2What's Included

5 items

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Investment

See program page

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Equity

See program

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Duration

Varies

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Program

Cleantech Open Accelerator

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Type

Accelerator

checklistEligibility

4 items

check_circleEarly Stage

check_circleFocus: climate, energy

check_circleLocation: United States

check_circleRegion: United States

directions_runHow to Apply

4 steps

1
Review Cleantech Open Accelerator eligibility (Early Stage; focus: climate, energy).
2
Prepare pitch deck, team bios, and traction metrics.
3
Submit via https://www.cleantechopen.org/en/page/2026-cto-accelerator-en.
4
Complete interviews if invited; accept offer and join the cohort.