Monthly roundup · Energy · June 2026
Energy startup funding, June 2026: Maxwell Power's $750M Growth leads 16 rounds
We read 16 equity rounds in Energy announced in June 2026, raising $2.3B between them: 7% of all the rounds we read that month and 7% of the money. The largest was Maxwell Power's $750M Growth, led by Fairtide Partners. The median seed round was $7.5M, against $5.0M over the last twelve months in Energy; at Series A it was $28M. Realyze Ventures led the most rounds, with 2.
The biggest rounds
- 1
Maxwell PowerGrowth · United States · led by Fairtide Partners$750M - 2FFlourishGrowth · United States · led by Google Ventures, Lux Capital$500M
- 3HHelionGrowth · United States · led by Thrive Capital$465M
- 4
Focused EnergySeries A · Germany · led by RWE$240M - 5SSpiroGrowth$215M
- 6
EvotrexSeries A · United States$30M - 7eencosaSeed · Germany · led by Realyze Ventures$29M
- 8
GigatonSeries A · United Kingdom · led by Plural$26M - 9
Anzana Electric GroupGrowth · South Africa · led by Convergence Partners Energy Finance$20M - 10AAston PowerSeries A · United States · led by TDK Ventures, Building Ventures$20M
United States · led by Fairtide Partners
Germany · led by RWE
United Kingdom · led by Plural
South Africa · led by Convergence Partners Energy FinanceDay by day
Equity rounds in Energy announced each day of June. The busiest day was 9 June, with 3.
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.
The most active leads
Firms that led two or more of the month's rounds in Energy.
Where
- United States5
- Germany3
- United Kingdom1
- Mexico1
- Netherlands1
- Norway1
- Belgium1
- South Africa1
Mexico
Norway
BelgiumUnited States had the most Energy rounds this month.
Against the month
- Rounds, Energy16
- Rounds, all sectors245
- Raised, Energy$2.3B
- Raised, all sectors$35B