Top 13 Green Energy startups in Italy
Jan 20, 2026
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18
1
Funding: $649.4M
Enel Green Power, established in December 2008, is the Enel Group company that develops and manages energy generation from renewable.
Enel Green Power, established in December 2008, is the Enel Group company that develops and manages energy generation from renewable.
2
Funding: €426.5M
Sunprime is a fast-growing Independent Power Producer based in Italy focused on Solar C&I, and smart homes segments.
Sunprime is a fast-growing Independent Power Producer based in Italy focused on Solar C&I, and smart homes segments.
3
Funding: $166.9M
Energy Dome develops a low-cost and efficient system for long-duration electricity storage using liquid CO2. Its CO2 Battery Plus technology aims to improve the efficiency and flexibility of gas-fired power generation by combining energy storage with waste heat recovery. The CO2 Battery technology stores energy by compressing CO2. In the conventional setup, both pressure and heat generated during charging are stored separately: heat in a thermal storage system for later use during discharging.
Energy Dome develops a low-cost and efficient system for long-duration electricity storage using liquid CO2. Its CO2 Battery Plus technology aims to improve the efficiency and flexibility of gas-fired power generation by combining energy storage with waste heat recovery. The CO2 Battery technology stores energy by compressing CO2. In the conventional setup, both pressure and heat generated during charging are stored separately: heat in a thermal storage system for later use during discharging.
4
Funding: $132.2M
Enapter makes highly efficient hydrogen generators with patented Anion Exchange Membrane (AEM) technology and Energy Management Software.
Enapter makes highly efficient hydrogen generators with patented Anion Exchange Membrane (AEM) technology and Energy Management Software.
5
Funding: $8.3M
Enel X‘s EV charger, the JuiceBox, enables cars to charge when the grid is producing the cleanest energy
Enel X‘s EV charger, the JuiceBox, enables cars to charge when the grid is producing the cleanest energy
6
Funding: $15M
Biomet specializes in transforming urban waste into Liquefied Natural Gas from organic sources (BioLNG). They produce biogas, which is then converted into biomethane and ultimately into bioLNG, managing the entire supply chain from production and transformation to distribution.
Biomet specializes in transforming urban waste into Liquefied Natural Gas from organic sources (BioLNG). They produce biogas, which is then converted into biomethane and ultimately into bioLNG, managing the entire supply chain from production and transformation to distribution.
7
Funding: $13.5M
I-FEVS is focused on generating new technological solutions so that pure electric mobility could be mainstream. Our goal is to manufacture best in class urban mobility vehicles per safety, security, energy consumption, ergonomics, robustness and total cost of ownership.
I-FEVS is focused on generating new technological solutions so that pure electric mobility could be mainstream. Our goal is to manufacture best in class urban mobility vehicles per safety, security, energy consumption, ergonomics, robustness and total cost of ownership.
8
Funding: $8M
Sizable Energy creates offshore pumped-storage hydroelectric power plants. Their modular, scalable ocean-based system enables low-cost long-term energy storage on a gigawatt scale by pumping saturated seawater brine (which is heavier than seawater) from the seafloor to a surface reservoir, harnessing the ocean's depth. In recovery mode, the brine flows downward under the influence of gravity, turning a power turbine. The design is simple and includes reservoir on the ocean floor, another floating on the surface, connecting pipe and reversible pumping turbines to pump the saturated seawater brine between the two reservoirs. The system is made from readily available materials that can be manufactured, assembled and installed at depths of 500 meters or more using existing offshore infrastructure. It can be linked to floating wind and solar power plants. Since only ocean water is used, the solution is environmentally sustainable.
Sizable Energy creates offshore pumped-storage hydroelectric power plants. Their modular, scalable ocean-based system enables low-cost long-term energy storage on a gigawatt scale by pumping saturated seawater brine (which is heavier than seawater) from the seafloor to a surface reservoir, harnessing the ocean's depth. In recovery mode, the brine flows downward under the influence of gravity, turning a power turbine. The design is simple and includes reservoir on the ocean floor, another floating on the surface, connecting pipe and reversible pumping turbines to pump the saturated seawater brine between the two reservoirs. The system is made from readily available materials that can be manufactured, assembled and installed at depths of 500 meters or more using existing offshore infrastructure. It can be linked to floating wind and solar power plants. Since only ocean water is used, the solution is environmentally sustainable.
9
Funding: €2.1M
SUNSPEKER creates a fully recyclable graphic cover able to camouflage any solar panel.
SUNSPEKER creates a fully recyclable graphic cover able to camouflage any solar panel.
10
Windcity offers an alternative clean energy solution that could be installed on rooftops too. It’s a wind turbine with an unconventional design, that allows for a greater acceleration with low-speed winds, compared to conventional turbines.
11
SunCubes is an innovative startup which goal is to build the future space energy infrastructure through its innovative satellites' recharging system.
12
Seabreath wave energy is a new highly efficient multi-chamber modular technology for wave energy conversion via oscillating water column (OWCs-WEC)
13
Active Surfaces are the high-performing surfaces, designed and developed by Iris Ceramica Group, that are taking ceramics to new heights thanks to their superior technical properties.
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