Top 27 Green Energy startups in Switzerland
Apr 16, 2026
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20
1
Funding: $3M
Neology is developing a system that converts liquid ammonia into hydrogen and then into electricity using fuelcells, with water being the primary byproduct. The process involves an "ammonia cracker"- a device that splits ammonia into hydrogen and nitrogen. The hydrogen is then fed into a fuelcells to generate electricity, while nitrogen, a harmless component of air, is released. The technology is designed for applications where battery-electric solutions may be ineffective, particularly for heavier vehicles, long-term operation, or in low-temperature environments. The resulting hydrogen can also be used in a variety of other ways.
Neology is developing a system that converts liquid ammonia into hydrogen and then into electricity using fuelcells, with water being the primary byproduct. The process involves an "ammonia cracker"- a device that splits ammonia into hydrogen and nitrogen. The hydrogen is then fed into a fuelcells to generate electricity, while nitrogen, a harmless component of air, is released. The technology is designed for applications where battery-electric solutions may be ineffective, particularly for heavier vehicles, long-term operation, or in low-temperature environments. The resulting hydrogen can also be used in a variety of other ways.
2
Funding: $1.1B
Energy Vault SA implements large-scale projects building energy storage systems including gravity-based, battery-based and green hydrogen-based, managed by its proprietary energy management system and integration platform. It designs, builds and operates both short-term and long-term energy storages for utilities, independent power producers and large industrial enterprises. Its proprietary X-VAULT platform ensures cost-effectiveness by optimizing site layout, energy density and other factors, while the Circuit VaultOS system monitors and manages the ESS.
Energy Vault SA implements large-scale projects building energy storage systems including gravity-based, battery-based and green hydrogen-based, managed by its proprietary energy management system and integration platform. It designs, builds and operates both short-term and long-term energy storages for utilities, independent power producers and large industrial enterprises. Its proprietary X-VAULT platform ensures cost-effectiveness by optimizing site layout, energy density and other factors, while the Circuit VaultOS system monitors and manages the ESS.
3
Funding: $43.5M
Transmutex develops technology designed to reduce the stockpile of nuclear waste-based energy.
Transmutex develops technology designed to reduce the stockpile of nuclear waste-based energy.
4
Funding: €39.1M
Pexapark is developing pricing analytics platform for renewable energy that connects clean energy producers and integrates data analytics, peer-to-peer learning, third-party marketplaces and expert advice on power purchase agreements and operations and maintenance in a single location. Its analytics engine leverages peer-to-peer data to deliver deeper, more accurate, and more realistic results.
Pexapark is developing pricing analytics platform for renewable energy that connects clean energy producers and integrates data analytics, peer-to-peer learning, third-party marketplaces and expert advice on power purchase agreements and operations and maintenance in a single location. Its analytics engine leverages peer-to-peer data to deliver deeper, more accurate, and more realistic results.
5
Funding: $25.9M
Insolight is an energy company that develops and manufactures solar panels. The technology, called planar optical micro-tracking, allows to concentrate sunlight on tiny solar cells, without any tilt. This makes the use of high efficiency space-grade solar cells affordable, whereas normally there are too expensive to be spread on the full sunlit area.
Insolight is an energy company that develops and manufactures solar panels. The technology, called planar optical micro-tracking, allows to concentrate sunlight on tiny solar cells, without any tilt. This makes the use of high efficiency space-grade solar cells affordable, whereas normally there are too expensive to be spread on the full sunlit area.
6
Funding: $22M
Powering the future of aviation with sustainable aviation fuel - affordable air travel without the carbon footprint
Powering the future of aviation with sustainable aviation fuel - affordable air travel without the carbon footprint
7
Funding: $20.4M
Unbound Potential is a startup that develops unique solutions for long-term energy storage.
Unbound Potential is a startup that develops unique solutions for long-term energy storage.
8
Funding: $10.7M
UniSieve is a cleantech company that provides molecular separation membrane solutions for a wide range of applications. Energy carriers such as hydrogen or methane are transported and consumed in purified form.
UniSieve is a cleantech company that provides molecular separation membrane solutions for a wide range of applications. Energy carriers such as hydrogen or methane are transported and consumed in purified form.
9
Innolith is an energy technology company that is pioneering an entirely new and safe battery technology platform. This will provide new ways of storing and using electricity for grid, automotive and industrial applications.
10
Funding: €9.2M
Plan-B Net Zero is a renewable energy and sustainability services company that offers energy storage solutions, and charging infrastructure.
Plan-B Net Zero is a renewable energy and sustainability services company that offers energy storage solutions, and charging infrastructure.
11
Funding: $8.4M
EH Group Engineering is focused on the development and production of its innovative fuel cell technology
EH Group Engineering is focused on the development and production of its innovative fuel cell technology
12
Funding: $8M
SmartHelio wants to be the doctor for solar plants. We make solar plants greener using proprietary Edge sensor and intelligent software.
SmartHelio wants to be the doctor for solar plants. We make solar plants greener using proprietary Edge sensor and intelligent software.
13
Funding: $6M
viboo offers self-learning predictive control on the basis of physics-informed Machine Learning as a cloud service.
viboo offers self-learning predictive control on the basis of physics-informed Machine Learning as a cloud service.
14
Funding: CHF3.1M
Cowa Thermal Solutions develops thermal energy storage technology based on phase-change materials.
Cowa Thermal Solutions develops thermal energy storage technology based on phase-change materials.
15
Funding: $3M
PWRstation is a Solar product development company selling preassembled, transportable, activation-ready solar mounting systems.
PWRstation is a Solar product development company selling preassembled, transportable, activation-ready solar mounting systems.
16
Funding: $2.5M
Energy Web Foundation is a global non-profit organization focused on accelerating blockchain technology across the energy sector.
Energy Web Foundation is a global non-profit organization focused on accelerating blockchain technology across the energy sector.
17
Funding: $2.1M
Urbio is a software that accelerates the transition of utilities towards clean energy.
Urbio is a software that accelerates the transition of utilities towards clean energy.
18
Smart Energy Link (SEL) is a software developer and service provider for captive power solutions in residential and commercial buildings and quarters. SEL lowers energy costs, simplifies accounting of service charges and reduces investment for public power supply.
20
Funding: £1M
GraphEnergyTech integrates graphene material into solar cells as a substitute for precious metals.
GraphEnergyTech integrates graphene material into solar cells as a substitute for precious metals.
21
MW Storage plans, finances and operates industrial plants for energy storage and system solutions to increase energy efficiency. It provides grid operators such services as peak shaving, reactive power compensation or storage of solar power.
22
E-nno develops and offers energy optimization and monitoring solutions for real estate and construction professionals. A system that relies on data and AI algorithms to increase energy efficiency and reduce building's environmental footprint.
23
Funding: $312.6K
GRZ Technologies is developing an alternative hydrogen storage technology based on a carrier material that absorbs hydrogen like a sponge. GRZ has developed patented metal hydride alloys that absorb hydrogen in a solid state at low pressure and release it on demand. This process is fully reversible, highly efficient, and inherently safe. Each alloy absorbs hydrogen at low temperatures and releases it when heated. Using this technology, the company creates highly efficient, containerized, standardized hydrogen storage systems for industrial & chemical processes, distributed power & energy systems, mobility & refueling.
GRZ Technologies is developing an alternative hydrogen storage technology based on a carrier material that absorbs hydrogen like a sponge. GRZ has developed patented metal hydride alloys that absorb hydrogen in a solid state at low pressure and release it on demand. This process is fully reversible, highly efficient, and inherently safe. Each alloy absorbs hydrogen at low temperatures and releases it when heated. Using this technology, the company creates highly efficient, containerized, standardized hydrogen storage systems for industrial & chemical processes, distributed power & energy systems, mobility & refueling.
24
Funding: $165,7K
Gaia Membranes developed Amphion, an innovative membrane technology designed to maximise the efficiency of a wide range of energy storage and conversion systems. Notably, the Amphion membranes overcome the limitations of traditional cation and anion exchangers through an amphoteric technology that simultaneously enables high proton conductivity and superior ionic selectivity.
Gaia Membranes developed Amphion, an innovative membrane technology designed to maximise the efficiency of a wide range of energy storage and conversion systems. Notably, the Amphion membranes overcome the limitations of traditional cation and anion exchangers through an amphoteric technology that simultaneously enables high proton conductivity and superior ionic selectivity.
25
Funding: CHF20K
de CavisAG provides a novel and innovative technology to produce ceramic foams for improved thermal insulation in buildings as well as industrial equipment at high temperatures. de Cavis prototype materials stand out due to their low weight and density, high mechanical strength, high temperature resistance and often superior thermal insulation properties.
de CavisAG provides a novel and innovative technology to produce ceramic foams for improved thermal insulation in buildings as well as industrial equipment at high temperatures. de Cavis prototype materials stand out due to their low weight and density, high mechanical strength, high temperature resistance and often superior thermal insulation properties.
26
UNIWASTEC is a technology company that operates in the field of waste-to-energy production, namely Grade 5 green hydrogen directly from wastewater, synthetic gas from municipal or industrial solid waste, and synthetic catalytic fuels from biomass.
27
VGT aims to revolutionize the energy industry with an innovative, state-of-the-art customer portal and energy trading platform that connects all player of the energy industry and energy tools such as e-mobility on one place.
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