Best Solar Energy Companies in Switzerland
The 83 best Solar Energy companies in Switzerland in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Axpo.
- ResearchAndMarkets.com
- MarketsandMarkets
Our analysis of 100 Solar Energy companies
$30.5b in tracked funding; 83% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Solar Energy companies in Switzerland
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Axpo Developer of hydro power projects | $7.6B | 27 mo ago | Funding Raised | Christoph Brand CEO | 2001 | WordPressApple iCloud MailMicrosoft 365+30 | 3 patents Portable power supply units and modular lightweight wall reinforcement construction systems | 1 partnership · 1 award |
| 2 | Etrion Independent Solar power producer | $194M | 83 mo ago | Public | — | 2008 | — | — | — |
| 3 | Candi Solar Provider of end-to-end solar and battery solutions for businesses | $42M | 6 mo ago | Series C | Philippe Flamand CEO | 2017 | Cart FunctionalitySquarespace CommerceSquarespace+29 | — | — |
| 4 | TVP Solar Manufactures high temperature to low temperature solar thermal products | $19M | 81 mo ago | Series B | Vittorio Palmieri Founder and Chief Technology Officer | 2008 | WordPress Block EditorElementorWordPress+37 | 136 patents Vacuum-sealed double‑sided solar thermal panels and related manufacturing methods | — |
| 5 | Insolight High-efficiency CPV solar cells developer | $13M | 9 mo ago | Series A | — | 2015 | WordPressMySQLMariaDB+22 | 48 patents Dynamic solar concentrator optics for adaptive light regulation and photovoltaic power generation | — |
| 6 | Swissinso Solar research and development company | $6M | 186 mo ago | Series A | — | 2006 | — | 15 patents Colored reflective laminated glass for high-transmission solar energy applications | — |
| 7 | MPOWER Provider of solar financial services | $4M | 15 mo ago | Seed | Michael Eschmann Co-Founder & COO at MPower Ventures AG | 2017 | Cart FunctionalityShopifyPayPal+12 | — | 1 job opening · 2 awards |
| 8 | dhp technology Developer and manufacturer of solar folding roof panel | $3M | 63 mo ago | Seed | — | 2015 | HubSpot CMS HubLeadfeederLinkedin Insight Tag+14 | 2 patents Design and construction of photovoltaic solar power generation systems. | 3 launchs |
| 9 | WinJi Developer of solar energy projects | $2M | 70 mo ago | Funding Raised | Hans Granicher Co-Founder | 2016 | — | 2 patents Power plant performance monitoring and operational optimization systems | — |
| 10 | Freshape Developer of utility renewable energy projects | $1M | 77 mo ago | Seed | Caroline Kwong Co-Founder | 2011 | Animate.cssNginxAOS+6 | 115 patents Patents concentrated in computing, sensing & instrumentation | — |
| 11 | 3S Manufacturer of integrated solar solutions for buildings, specializing in solar modules for roofs, facades… | $197K | 81 mo ago | Funding Raised | — | 2001 | HubSpot CMS HubProton MailMicrosoft 365+17 | — | — |
| 12 | Solaxer Developer of solar energy projects | $151K | 44 mo ago | Funding Raised | Anna Krammer Co-Founder | 2021 | — | — | — |
| 13 | ennos Provider of high-quality surface solar water pumps | $120K | 95 mo ago | Funding Raised | Karin Vezzini Co-Founder & CEO | 2006 | WordPressMySQLPHP+20 | — | 2 launchs |
Top 12 Solar Energy companies in Switzerland
#1
Series C · Zurich, Zurich · founded 2017 · 71 employees$42Mraised▾
Provider of end-to-end solar and battery solutions for businesses. The company offers customized finance and performance solutions. It handles the complete installation process, ensuring a seamless and efficient setup. The company manages the system, guaranteeing optimal performance, energy optimisation, and reliability.
- Nov 2025Conventional Debt$58.5M
- Jul 2025Series C$24M
- Oct 2024Conventional Debt$18M
- Jun 2024Series C$38M
#2
Funding Raised · Baden, Aargau · founded 2001 · 6000 employees$7.6Braised▾
Developer of hydro power projects
- Mar 2024Conventional Debt$7.6B
- Sep 2022Conventional Debt—
- Sep 2021Grant (prize money)$102.2K
- Dec 2020Grant (prize money)$190.1K
#3
Series A · Lausanne, Vaud · founded 2015 · 15 employees$13.3Mraised▾
High-efficiency CPV solar cells developer. The CPV cells of Insolight are being claimed to achieve efficiency by using plastic lenses on top of the existing CPV cells. The system does not feature any trackers since the plastic lenses on top redirect sunlight coming from any direction towards the concentrator.
- Sep 2025Conventional Debt$1.2M
- Dec 2022Series A$5.2M
- Jul 2020Series A$5.4M
- Sep 2019Grant (prize money)$11.6M
#4
Seed · Zurich, Zurich · founded 2017 · 26 employees$3.6Mraised▾
Provider of solar financial services
- Mar 2025Seed$2.7M
- Mar 2025Conventional Debt—
- Mar 2024Conventional Debt$2M
- Feb 2023Seed$1.6M
#5
Public · Geneva, Geneva · founded 2008 · 17 employees$194.4Mraised▾
Etrion Corporation develops, builds, owns and operates utility-scale solar power generation plants.The Company owns 139 MW of installed solar capacity in Italy, Chile and Japan and has 25 MW of solar projects under construction in Japan. Etrion has corporate offices in Italy, Japan, Chile, USA and Switzerland.
- Jul 2019Conventional Debt$147.7M
- Jun 2018Conventional Debt$46.7M
#6
Series B · Geneva, Geneva · founded 2008 · 80 employees$19Mraised▾
Manufactures high temperature to low temperature solar thermal products
- Aug 2019Series B—
- Oct 2018Grant (prize money)$1.3M
- Apr 2018Grant (prize money)—
- Jan 2018Grant (prize money)$1.4M
#7
Seed · Zizers, Grisons · founded 2015 · 28 employees$2.8Mraised▾
dhp technology is a developer and manufacturer of patent technology-based solar folding roof panel "HORIZON". The system works on the unique PV folding roof model for decentralized solar power production over the logistics area, parking lots, and wastewater treatment plants.
- Feb 2021Grant (prize money)$60.3K
- Mar 2019Grant (prize money)$2.8M
- Jan 2019Seed$2.8M
- Jun 2018Grant (prize money)$58.2K
#8
Funding Raised · Zurich, Zurich · founded 2016 · 14 employees$2.1Mraised▾
Developer of solar energy projects
- Aug 2020Conventional Debt$2M
- Nov 2019Grant (prize money)$55K
- Aug 2019Grant (prize money)$55.4K
#9
Series A · Geneva, Geneva · founded 2006 · 3 employees$6Mraised▾
Swissinso is a research based company working on developing improved solar solutions for Building Interactive Solar panels as well as solar thermal energy solutions. The company has developed aesthetically innovative Kromatix BIPV solutions which comes in two options as solar tiles or solar panels in multiple colors to suit the requirement of any rooftop.
- Dec 2010Series A$6M
#10
Seed · Ecublens, Fribourg · founded 2011 · 50 employees$1.1Mraised▾
Manufacturer of a transparent solar module intended to harness the energy potential of buildings. The company's module works by using artificial photosynthesis, which makes them efficient even indoors or under artificial light, as well as offers a glass manufacturing process by encapsulating the chemicals used in the glass device, enabling companies to get high production speed, low costs, low energy consumption production process.
- Jan 2020Grant (prize money)$514.1K
- Jan 2019Grant (prize money)$559K
- May 2013Seed—
#11
Funding Raised · Ecublens, Fribourg · founded 2021 · 4 employees$151.5Kraised▾
Developer of solar absorber coatings designed for industrial heat harvesting. The company specializes in developing solar receivers coated with a selective absorber that is environmentally friendly, and cost-effective for concentrated solar collector manufacturers, enabling industries to cut reliance on fossil fuels by delivering new generation receivers for efficient solar heat harvesting.
- Sep 2022Grant (prize money)$151.5K
#12
Funding Raised · Gwatt, Bern · founded 2001 · 86 employees$197.1Kraised▾
3S Swiss Solar Solutions is a Swiss manufacturer of integrated solar solutions for building envelopes, specializing in solar modules for roofs, facades, and balcony railings. They harness the power of the sun to provide individuals with their own source of electricity.
- Sep 2019Grant (prize money)$197.1K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Solar Energy coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Solar Photovoltaics is moving in Switzerland
A read on the academic research around Solar Photovoltaics — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 541 Switzerland-affiliated papers.
- École Polytechnique Fédérale de Lausanne218
- ETH Zurich85
- Swiss Federal Laboratories for Materials Science and Technology50
- Physikalisch-Meteorologisches Observatorium Davos30
- Swiss Center for Electronics and Microtechnology28
- Solar energy2→17
- Photovoltaic system4→14
- Passivation1→6
- Semiconductor1→5
- Plasmon1→4
- Photovoltaic system10→43
- Solar energy5→35
- Renewable energy2→18
- Irradiance1→14
- Solar irradiance1→13
- Solar energy2→19
- Photovoltaic system3→16
- Renewable energy3→12
- Electricity1→4
- Band gap1→4
Where solar pv is researched across Switzerland
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.