Investor Lists

Series B energy investors

Updated 7 November 2026

Firms we have watched take part in a Series B 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 303 →The top 25
303investors on the list-5 this week
8,247cheques in 12 months-4% against the market
$26Mmedian round they joined+219% against the market median
90%wrote a cheque in 12 months
59%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. 3Sequoia CapitalDeploying nowVC firm · United States2,099$35Mmedian roundNov 2026last seen
  4. 4National Science FoundationDeploying nowGovernment · United States1,869$926Kmedian roundSept 2026last seen
  5. 5Andreessen HorowitzDeploying nowVC firm · United States1,661$27Mmedian roundNov 2026last seen
  6. 6New Enterprise AssociatesDeploying nowVC firm · United States1,610$34Mmedian roundOct 2026last seen
  7. 7Alumni VenturesDeploying nowVC firm · United States1,598$12Mmedian roundNov 2026last seen
  8. 8General CatalystDeploying nowVC firm · United States1,387$27Mmedian roundNov 2026last seen
  9. 9SV AngelDeploying nowVC firm · United States1,349$18Mmedian roundOct 2026last seen
  10. 10AccelDeploying nowVC firm · United States1,341$32Mmedian roundNov 2026last seen
  11. 11Lightspeed Venture PartnersDeploying nowVC firm · United States1,341$35Mmedian roundNov 2026last seen
  12. 12BpifranceDeploying nowGovernment · France1,151$4.5Mmedian roundOct 2026last seen
  13. 13Khosla VenturesDeploying nowVC firm · United States1,128$26Mmedian roundNov 2026last seen
  14. 14Founders FundDeploying nowVC firm · United States1,122$15Mmedian roundOct 2026last seen
  15. 15Bessemer Venture PartnersDeploying nowVC firm · United States1,038$30Mmedian roundNov 2026last seen
  16. 16GaingelsDeploying nowPrivate equity · United States1,010$8Mmedian roundOct 2026last seen
  17. 17SOSVDeploying nowVC firm · United States951$2.5Mmedian roundNov 2026last seen
  18. 18EIC AcceleratorDeploying nowGovernment · European Union875$4.3Mmedian roundOct 2026last seen
  19. 19FJ LabsDeploying nowVC firm · United States849$11Mmedian roundOct 2026last seen
  20. 20BoxGroupDeploying nowVC firm · United States773$18Mmedian roundNov 2026last seen
  21. 21Tiger Global ManagementDeploying nowVC firm · United States773$47Mmedian roundNov 2026last seen
  22. 22Insight PartnersDeploying nowVC firm · United States765$40Mmedian roundOct 2026last seen
  23. 23FelicisDeploying nowVC firm · United States640$20Mmedian roundNov 2026last seen
  24. 24Liquid 2 VenturesDeploying nowVC firm · United States636$7Mmedian roundOct 2026last seen
  25. 25HSGDeploying nowVC firm · Hong Kong SAR China498$31Mmedian roundOct 2026last seen
278 more on this list

All 303 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 B energy investors

Who are the most active series B energy investors?

By cheques observed, the most active are Y Combinator, Techstars, Sequoia Capital, National Science Foundation and Andreessen Horowitz.

How many series B energy investors are there?

303 are on record. 90% made an investment in the last 12 months and 59% have led a round.

Which stages do series B energy investors back?

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

How big are the rounds series B energy investors join?

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

Which sectors do series B energy investors back most?

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

Which series B energy investors lead the most rounds?

Andreessen Horowitz (114 led), Accel (103 led) and General Catalyst (97 led).

Where are series B energy investors based?

Most of the leading investors here are based in the United States (22 of the top 25); the rest in France and European Union.

What have series B energy investors invested in recently?

Recent rounds include Humble Robotics (Series A, Nov 2026, with Eclipse), Ocient (Series C, Nov 2026, with In-Q-Tel) and Thinking Machines Lab (Other, Nov 2026, with Accel).

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