22 Best Energy Nuclear Startups in Finland to Watch in 2025

The Definitive Seedtable Ranking of Energy Nuclear Startups in Finland

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 22 start-ups with an aggregate funding of $461.6m. The average funding per company in this subset is $21.0m.

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

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3

Funding Rounds

$206.0m

Money raised

Tesseract is a diversified financial services and investment management innovator in digital assets, powered by world-class technology.

Location:

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2

Funding Rounds

$1.8m

Money raised

Modular direct air capture system that uses buildings' ventilation to remove carbon dioxide from the air.

5

Funding Rounds

$3.7m

Money raised

CollectiveCrunch uses artificial intelligence in the forest industry that collects data for precise models.

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3

Funding Rounds

$4.5m

Money raised

Sharper Shape is a computer software company that provides holistic solutions for asset and vegetation management.

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.

4

Funding Rounds

$48.4m

Money raised

Carbo Culture captures and sequesters carbon from agricultural waste by turning it into biochar, a material that can be used to amend soil and help plant growth.

2

Funding Rounds

$3.5m

Money raised

Hyperion Robotics is a company providing 3D-printing reinforced concrete services.

1

Funding Rounds

$915.0k

Money raised

BroadBit is a technology company that is developing new batteries that use novel sodium-based chemistries to power the future green economy.

3

Funding Rounds

$40.9m

Money raised

Kuva Space is a smarter data for a stronger planet founded in 2016.

1

Funding Rounds

$2.4m

Money raised

Tespack specializes in generating energy on the go. Tespack Smartpacks are wearable solar backpacks that collect energy from the sun, stores it, and then uses the power to charge devices outside people's homes. The company's goal is to make everyone energy independent and reduce their carbon footprint.

5

Funding Rounds

$22.0m

Money raised

Norsepower is a mechanical sails for large ships founded in 2012 by Tuomas Riski.

Location:

Key people:

1

Funding Rounds

$25.0m

Money raised

Paptic is a manufacturing company producing eco-friendly packaging materials founded in 2015.

Location:

1

Funding Rounds

$2.9m

Money raised

Teraloop is a company in Espoo, Southern Finland.

Location:

Key people:

1

Funding Rounds

$130.0k

Money raised

Kapacity.io is a Helsinki-based environmental technology company developing electricity demand response servics to reduce energy costs and emissions in residential areas.

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4

Funding Rounds

$1.5m

Money raised

Nuuka is a Helsinki-based software company developing energy management solutions for commercial and public buildings.

2

Funding Rounds

$7.9m

Money raised

Platform providing unique insights to enhance energy efficiency and accelerate the Net Zero road map.

2

Funding Rounds

$47.0m

Money raised

Platform providing highly accurate tools for measuring and managing renewable energy grids.

2

Funding Rounds

$31.6m

Money raised

Cactos is a developer of smart energy storage systems founded in 2021 by Olli Nuutila.

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Key people:

1

Funding Rounds

$1.6m

Money raised

Voltan Energy is a heating systems for large properties founded in 2020.

1

Funding Rounds

$4.1m

Money raised

SpinDrive provides design, prototyping, and serial production of active magnetic bearings (AMBs) for Original Equipment Manufacturers (OEM). SpinDrive reduces energy losses in the machine by half.

Location:

1

Funding Rounds

$4.7m

Money raised

Pioneering cleantech company in area of cost-effective renewable energy production and nutrient recycling from wet biomass.

1

Funding Rounds

$1.1m

Money raised

Thermal energy storage systems provider.

Location:

Key people:

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