Investor Lists

Series A energy investors

Updated 7 November 2026

Firms we have watched take part in a Series A round raised by an energy company in the last two years. Both the stage and the sector are what they did, not what their website says.

See all 452 →The top 25
452investors on the list-6 this week
8,877cheques in 12 months-9% against the market
$14Mmedian round they joined+75% against the market median
90%wrote a cheque in 12 months
54%have led a round

The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (25)

  1. 1Y CombinatorDeploying nowAccelerator · United States6,412$3Mmedian roundOct 2026last seen
  2. 2TechstarsDeploying nowVC firm · United States2,989$1.2Mmedian roundNov 2026last seen
  3. 3National Science FoundationDeploying nowGovernment · United States1,869$926Kmedian roundSept 2026last seen
  4. 4Andreessen HorowitzDeploying nowVC firm · United States1,661$27Mmedian roundNov 2026last seen
  5. 5New Enterprise AssociatesDeploying nowVC firm · United States1,610$34Mmedian roundOct 2026last seen
  6. 6Alumni VenturesDeploying nowVC firm · United States1,598$12Mmedian roundNov 2026last seen
  7. 7Plug and PlayDeploying nowAccelerator · United States1,561$5Mmedian roundNov 2026last seen
  8. 8General CatalystDeploying nowVC firm · United States1,387$27Mmedian roundNov 2026last seen
  9. 9Lightspeed Venture PartnersDeploying nowVC firm · United States1,341$35Mmedian roundNov 2026last seen
  10. 10BpifranceDeploying nowGovernment · France1,151$4.5Mmedian roundOct 2026last seen
  11. 11Founders FundDeploying nowVC firm · United States1,122$15Mmedian roundOct 2026last seen
  12. 12Bessemer Venture PartnersDeploying nowVC firm · United States1,038$30Mmedian roundNov 2026last seen
  13. 13Index VenturesDeploying nowVC firm · United Kingdom1,027$31Mmedian roundNov 2026last seen
  14. 14MassChallengeDeploying nowAccelerator · United States984$1.8Mmedian roundSept 2026last seen
  15. 15SOSVDeploying nowVC firm · United States951$2.5Mmedian roundNov 2026last seen
  16. 16Google VenturesDeploying nowCorporate VC · United States884$38Mmedian roundOct 2026last seen
  17. 17EIC AcceleratorDeploying nowGovernment · European Union875$4.3Mmedian roundOct 2026last seen
  18. 18FJ LabsDeploying nowVC firm · United States849$11Mmedian roundOct 2026last seen
  19. 19BoxGroupDeploying nowVC firm · United States773$18Mmedian roundNov 2026last seen
  20. 20Salesforce VenturesDeploying nowCorporate VC · United States649$26Mmedian roundNov 2026last seen
  21. 21VenrockDeploying nowVC firm · United States560$36Mmedian roundOct 2026last seen
  22. 22Mayfield FundDeploying nowVC firm · United States509$23Mmedian roundOct 2026last seen
  23. 23IDG CapitalDeploying nowPrivate equity · China504$25Mmedian roundOct 2026last seen
  24. 248VCDeploying nowVC firm · United States497$23Mmedian roundOct 2026last seen
  25. 25B CapitalDeploying nowVC firm · United States495$14Mmedian roundOct 2026last seen
427 more on this list

All 452 are in the app, with filters for stage, sector and market. A free account shows 10 per search, Pro up to 1,000.

See the whole list →

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Quick answers about series A energy investors

Who are the most active series A energy investors?

By cheques observed, the most active are Y Combinator, Techstars, National Science Foundation, Andreessen Horowitz and New Enterprise Associates.

How many series A energy investors are there?

452 are on record. 90% made an investment in the last 12 months and 54% have led a round.

Which stages do series A energy investors back?

Of the rounds with a named stage in the last 12 months, mostly Seed (26%) and Series A (24%).

How big are the rounds series A energy investors join?

The typical (median) round among the leading investors here is $18M.

Which sectors do series A energy investors back most?

In the last 12 months, mostly AI, Biotech and Healthcare.

Which series A energy investors lead the most rounds?

Andreessen Horowitz (114 led), General Catalyst (97 led) and Lightspeed Venture Partners (83 led).

Where are series A energy investors based?

Most of the leading investors here are based in the United States (21 of the top 25); the rest in France and the United Kingdom.

What have series A energy investors invested in recently?

Recent rounds include Fathom Therapeutics (Nov 2026, with Sutter Hill Ventures), Vensum Power (Series A, Nov 2026, with Lifeline Ventures) and Humble Robotics (Series A, Nov 2026, with Obvious Ventures).

Built from the rounds we watched, refreshed every night. How we count · Report a correction