Monthly roundup · Energy · July 2026

Energy startup funding, July 2026: Joulent's $1.8B Growth leads 16 rounds

By Millionrounds ResearchPublished 1 August 2026Updated 15 October 2026

We read 16 equity rounds in Energy announced in July 2026, raising $4.8B between them: 7% of all the rounds we read that month and 12% of the money. The largest was Joulent's $1.8B Growth, led by National Grid. The median seed round was $2.9M, against $5.0M over the last twelve months in Energy; at Series A it was $11M.

Equity rounds16in Energy, 15 with an amount
Raised$4.8Bacross those rounds
Lead named81%of rounds say who led
Share of the month7%of rounds; 12% of the money

The biggest rounds

  1. 1JJoulentGrowth · United States · led by National Grid$1.8B
  2. 2CCommonwealth Fusion SystemsGrowth · United States$1.0B
  3. 3Antora EnergySeries C · United States · led by Eclipse, G2 Venture Partners$550M
  4. 4Proxima FusionSeries B · Germany · led by XTX Ventures, East X Ventures$468M
  5. 5CuspAISeries B · United Kingdom · led by New Enterprise Associates, Kleiner Perkins$450M
  6. 6SSilaGrowth · United States · led by Sutter Hill Ventures, Atreides Management$300M
  7. 7Quaise EnergySeries B · United States · led by Prelude Ventures$134M
  8. 8General FusionGrowth · Canada$108M
  9. 9NNuclear TurbinesPre-seed · United Kingdom · led by Empirical Ventures$20M
  10. 10GridcogSeries A · United Kingdom · led by ABB Technology Ventures$14M

Day by day

Equity rounds in Energy announced each day of July. The busiest day was 21 July, with 3.

1 July31 July

By stage, against the year

Each stage's median this month beside its twelve-month median: the sector's own where we hold enough rounds for a benchmark, otherwise the one across all sectors.

Pre-seed2$15Mthis month$2.0M12 months, all sectors
Seed1$2.9Mthis month$5.0M12 months here
Series A4$11Mthis month$26M12 months here
Series B3$450Mthis month$50M12 months, all sectors
Series C2$550Mthis month$100M12 months, all sectors
Growth4$650Mthis month$113M12 months, all sectors

Where

United States had the most Energy rounds this month.

Against the month

  • Rounds, Energy16
  • Rounds, all sectors216
  • Raised, Energy$4.8B
  • Raised, all sectors$41B

The whole of July 2026

Other sectors in July

131 roundsAI→36 roundsFintech→16 roundsClimate Tech→16 roundsManufacturing→15 roundsHealthcare→15 roundsCybersecurity→15 roundsRobotics→13 roundsSoftware→13 roundsAerospace & Space→12 roundsHardware & Electronics→12 roundsConstruction→12 roundsBig Data & Analytics→12 roundsBiotech→