Quick facts:
HQ: Windermere, FL, United States
Incorporated: 2025
Funding:
$100M · Debt · May 2026
Top Climate & Energy Startups
This list has 331 startups and was last updated on Oct 15, 2026. 38 of them are hiring right now. Biggest hubs: San Francisco (90), New York (15), and Los Angeles (12). Largest teams: Cruise, Aerones, and Oolu. Latest round: Circularity Fuels raised $8.79M (Oct 14, 2026).
Survival statistics →75 open roles →
331 startupsPage 6 of 10
Quick facts:
HQ: Houston, TX, United States
Funding:
$100M · Equity · May 2026
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HQ: Berkeley, CA, United States
Incorporated: 2021
Funding:
$80M · Equity · Feb 2026
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HQ: Oak Ridge, TN, United States
Incorporated: 2024
Funding:
$70M · Equity · Feb 2026
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HQ: San Francisco, CA, United States
Incorporated: 2025
Funding:
$52.6M · Equity · May 2026
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HQ: San Leandro, CA, United States
Funding:
$46.3M · Equity · Apr 2026
Quick facts:
HQ: Windermere, FL, United States
Incorporated: 2026
Funding:
$43M · Debt · Jun 2026
Quick facts:
HQ: Windermere, FL, United States
Incorporated: 2026
Funding:
$41.5M · Debt · Oct 2026
Quick facts:
HQ: Rocklin, CA, United States
Incorporated: 2022
Funding:
$41.1M · Equity · Oct 2026
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HQ: Burbank, CA, United States
Incorporated: 2021
Funding:
$37.7M · Equity · Apr 2026
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HQ: Cambridge, MA, United States
Funding:
$24M · Equity · Jan 2026
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HQ: Philadelphia, PA, United States
Incorporated: 2024
Funding:
$22.6M · Equity · Mar 2026
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HQ: San Francisco, CA, United States
Incorporated: 2023
Funding:
$21M · Equity · Mar 2026
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HQ: Bellville, TX, United States
Incorporated: 2024
Funding:
$20.4M · Equity · May 2026
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HQ: Palm Beach Gardens, FL, United States
Incorporated: 2025
Funding:
$20M · Equity · Feb 2026
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HQ: Buffalo, NY, United States
Funding:
$20M · Debt · Feb 2026
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HQ: Houston, TX, United States
Funding:
$18.6M · Equity · Sep 2026
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HQ: Solana Beach, CA, United States
Funding:
$18.1M · Equity · Oct 2026
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HQ: Raleigh, NC, United States
Incorporated: 2022
Funding:
$17.2M · Equity · Apr 2026
Quick facts:
HQ: Windermere, FL, United States
Incorporated: 2026
Funding:
$17M · Debt · Mar 2026
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HQ: Waltham, MA, United States
Funding:
$16.9M · Equity · Oct 2026
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HQ: San Jose, CA, United States
Funding:
$16.1M · Debt · Jan 2026
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HQ: Knoxville, TN, United States
Funding:
$16M · Equity · Jun 2026
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HQ: Hallandale, FL, United States
Incorporated: 2021
Funding:
$15M · Equity · Apr 2026
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HQ: Tukwila, WA, United States
Funding:
$14.9M · Options · Jan 2026
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HQ: Cambridge, MA, United States
Incorporated: 2024
Funding:
$14.6M · Equity · Mar 2026
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Incorporated: 2023
Funding:
$14M · Equity · May 2026
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Funding:
$14M · Equity · Mar 2026
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HQ: Edmond, OK, United States
Incorporated: 2026
Funding:
$10.8M · Equity · Apr 2026
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Funding:
$10.1M · Equity · Feb 2026
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HQ: Brooklyn, NY, United States
Funding:
$10.1M · Equity · Jan 2026
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HQ: Thornton, CO, United States
Funding:
$10M · Equity · Jan 2026
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HQ: Redwood City, CA, United States
Incorporated: 2024
Funding:
$9.94M · Equity · May 2026
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HQ: New York, NY, United States
Incorporated: 2025
Funding:
$9.85M · Equity · Feb 2026
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HQ: Lewes, DE, United States
Incorporated: 2025
Funding:
$9.25M · Equity · Apr 2026
Quick facts:
HQ: San Francisco, CA, United States
Incorporated: 2024
Funding:
$8.81M · Equity · Jan 2026