14 Best Hydropower Startups to Watch in 2025

The Definitive Seedtable Ranking of Hydropower Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 14 start-ups with an aggregate funding of $479.6m. The average funding per company in this subset is $34.3m.

Last update to the database: Feb 18, 2025. See changelog.

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8

Funding Rounds

$175.0m

Money raised

Viridos is applying synthetic biology to microalgae for the production of products that address climate change and sustainability. Viridos is focused on producing algal biofuels and other sustainable resources from algae.

5

Funding Rounds

$40.4m

Money raised

Enervee is a company founded in 2010 by Hjalmar Branting, Iker Casillas, Aoife Ní Fhearraigh, Yhonastan Fabian, The Sxplay, Ujiie Naotomo, Robbie Grossman, Ingrid Gfölner, Moisey Uretsky, Don Epperson, Matt Service FBCS and Bhavesh M. Mehta.

1

Funding Rounds

$55.0m

Money raised

Orient Green Power is a Chennai-based firm involved in the development of biomass, wind, and small hydro projects.

Location:

4

Funding Rounds

$74.9m

Money raised

Virent Energy Systems is a Madison, Wisconsin-based renewable fuel source company.

1

Funding Rounds

AW-Energy is a developer of electricity generation technology from ocean waves. It has developed Wave Roller that converts ocean waves into energy and electricity. The wave roller can be fully submerged and anchored operates in near-shore areas at depths of between 8 and 20 meters. The bottom fixed panel of the device which acts as an oscillating wave surge converter captures the ocean wave energy and converts the movement to electricity using the power storage and hydraulic system. The electrical output generated from this renewable wave energy power plant is connected to the electric grid via a subsea cable.

9

Funding Rounds

$5.5m

Money raised

Mechanical Solutions resolves vibration & dynamics problems in rotating machinery

3

Funding Rounds

$64.0m

Money raised

Natel Energy is a company founded in 2009.

1

Funding Rounds

$100.0k

Money raised

Dynamhex is a personalized, localized, and standardized climate action platform.

2

Funding Rounds

$17.5m

Money raised

H2scan is a company founded in 2002 by Dennis Reid.

2

Funding Rounds

$10.5m

Money raised

Copperleaf Technologies is a company founded in 2000.

1

Funding Rounds

$12.0m

Money raised

Orbital Marine Power is a company founded in 2002.

1

Funding Rounds

$21.0m

Money raised

Chennai-based firm currently present in renewable energy areas of biomass, small hydro and wind sectors.

1

Funding Rounds

$3.5m

Money raised

1

Funding Rounds

$235.6k

Money raised

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