Top 9 Green Energy startups in Estonia
Nov 04, 2025 | By Alexander Gillet | 15 |
1
Funding: $145M
Elcogen is a manufacturer of efficient and high-performance fuel cells to help enable a clean energy future.
Elcogen is a manufacturer of efficient and high-performance fuel cells to help enable a clean energy future.
3
Funding: €313.3M
Skeleton Technologies is a manufacturer and developer of high energy and power density ultracapacitors.
Skeleton Technologies is a manufacturer and developer of high energy and power density ultracapacitors.
4
Funding: €16.8M
Roofit.solar makes integrated solar roofs that combine the traditional Nordic metal roof design with cutting-edge solar technology.
Roofit.solar makes integrated solar roofs that combine the traditional Nordic metal roof design with cutting-edge solar technology.
5
Funding: €10.5M
Solarstone develops and produces building-integrated PV (BIPV) solutions that promote sustainable building principles
Solarstone develops and produces building-integrated PV (BIPV) solutions that promote sustainable building principles
6
Funding: €6.3M
Gridraven specializes in optimizing grid capacity using AI-powered Dynamic Line Rating technology, eliminating the need for additional hardware.
Gridraven specializes in optimizing grid capacity using AI-powered Dynamic Line Rating technology, eliminating the need for additional hardware.
7
Funding: €4.2M
Gridio is aiming to help people adjust electricity consumption so they can save money and energy
Gridio is aiming to help people adjust electricity consumption so they can save money and energy
8
Funding: €2.4M
R8 Digital Operator develops artificially intelligent add-on software for your existing Building Automation System (BAS, BMS).
R8 Digital Operator develops artificially intelligent add-on software for your existing Building Automation System (BAS, BMS).
9
Spiral Hydrogen is developing a groundbreaking hydrogen production unit that combines the entire hydrogen generation process—from converting mechanical energy into electrical energy to driving the electrochemical reactions for hydrogen production—into a single, efficient system.
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