Best Renewable Energy Tech Companies in Sweden
The 53 best Renewable Energy Tech companies in Sweden in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Northvolt.
Sweden's Renewable Energy Tech sector has a funding story worth reading carefully: 53 tracked companies have pulled in $9.4B in total disclosed capital, and nearly all of it concentrates in one name. Northvolt accounts for $9.0B of that figure. That's not a rounding error. It's a structural fact about where institutional conviction has landed. CorPower Ocean follows at $76M, Exeger at $45M, and the rest of the directory thins out fast from there. So if you're benchmarking deal size or investor appetite, the spread here is unusually steep.
The broader market context sharpens the stakes. Allied Market Research puts the global renewable energy tech market at roughly $4.6B by 2032, expanding at a 23.2% CAGR, driven by clean-energy mandates and a policy environment that rewards early movers. I'd note Sweden's investor mix reflects exactly that dynamic: Almi Invest, the Swedish Energy Agency, and EIT InnoEnergy are all on the active-investors list, which tells you public capital is still doing a lot of the work. Hot coverage themes right now include solar electricity generation, EV battery technology, and next-generation EV platforms. Energy app installs are growing at a median 28% year-over-year across 195 tracked apps, a signal that innovations in renewable technologies are finding real consumer traction beyond the funding headlines.
- einpresswire.com
Ranked: Best Renewable Energy Tech companies in Sweden
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Northvolt 🦄 Manufacturer of lithium-ion batteries for electric vehicles | $9.0B | 28 mo ago | 5,000 | — | Harald Mix Co-Founder | DatoCMSApple iCloud MailMicrosoft 365+14 | 581 patents Patents concentrated in chemistry & materials | — |
| 2 | Svea Solar Provider of app-based solar battery storage and energy consumption monitoring solutions | $107M | 49 mo ago | — | 2014 | Nolan Gray Co-Founder | Apple iCloud MailMicrosoft 365Ruby+28 | — | 1 partnership |
| 3 | CorPower Ocean Wave energy converter solutions provider | $76M | 1 mo ago | 69 | 2009 | Patrik Moller Co-Founder & CEO | WordPressMySQLPHP+15 | 21 patents Vibrating pile wave-energy converters and associated power‑electronics transformation systems | 1 job opening |
| 4 | Sol Voltaics Developer of solar films made up of GaAs nanowires | $51M | 95 mo ago | 55 | 2008 | — | WordPress Block EditorWordPressMySQL+34 | 70 patents Nanowire transfer and alignment technologies for advanced photovoltaic solar cells | — |
| 5 | Exeger Manufacturer of solar cells | $45M | 7 mo ago | 160 | 2009 | Giovanni Fili Founder & CEO | WordPressMySQLPHP+23 | — | — |
| 6 | SunRoof Manufacturer of solar roof tiles or building integrated photovoltaic tiles | $39M | 42 mo ago | 132 | 2013 | Martyn Szczepankowski Co-Founder | WordPressMySQLPHP+28 | — | 2 partnerships |
| 7 | Epishine Developer and provider of solar modules | $19M | 9 mo ago | 52 | 2016 | Jonas Bergqvist Co-Founder & CTO | HubSpot CMS HubApple iCloud MailMicrosoft 365+18 | 40 patents Advanced laminated photovoltaic modules and manufacturing processes for high-efficiency solar panels | — |
| 8 | Meva Energy Provider of solutions for energy generation from gasification of biofuel | $13M | 8 mo ago | 43 | 2008 | — | WordPress Block EditorWordPressMySQL+18 | 26 patents Tar‑laden gas stream purification and biochar cleaning for biomass gasification processes | 1 expansion |
| 9 | Midsummer Manufacturer of thin, light, and flexible solar panels for various roofs | $12M | 15 mo ago | 96 | 2004 | — | WordPressMySQLPHP+42 | 12 patents CIGS thin‑film solar cell manufacturing and recycling of copper‑indium‑gallium‑selenide materials | 1 partnership |
| 10 | Modvion Provider of modular wind towers using composite materials | $12M | 41 mo ago | 47 | 2015 | — | WordPressMySQLPHP+22 | 58 patents Manufacturing laminated wood composite rotor blades and wind turbine tower components. | 1 award |
| 11 | Azelio Provider of solar thermal energy generation technology | $11M | 56 mo ago | 134 | 2015 | — | — | 67 patents Stirling engine power control and high-temperature thermal energy storage systems | — |
| 12 | TRINE Crowd funding company for solar projects | $9M | 26 mo ago | 27 | 2015 | Christoffer Falsen Founder & head of strategic projects | Intercom ArticlesNode.jsAzure Front Door+9 | — | 2 job openings |
| 13 | Greenbyte Renewable energy generation monitoring solution provider | $6M | 99 mo ago | 91 | 2010 | Julieann Rainville CEO | — | — | — |
| 14 | Peafowl Plasmonics Provider of smart sensors and electronic devices | $4M | 50 mo ago | 12 | 2018 | — | — | 14 patents Patents concentrated in electrical & electronics | — |
| 15 | C Green Provider of solutions for the conversion of wastewater sludge into biocoal | $3M | 45 mo ago | 5 | 2015 | — | Cart FunctionalitySquarespace CommerceSquarespace+19 | 24 patents Advanced silicon production and multiphase reactor technologies for silicon material manufacturing | — |
| 16 | SeaTwirl Developer of floating vertical-axis wind turbines designed for deep-water environments | $3M | 58 mo ago | 14 | 2013 | — | WordPress Block EditorWordPressMySQL+15 | 27 patents Floating vertical‑axis wind turbine designs and marine installation methods | — |
| 17 | Minesto Developer of subsea kite systems designed to generate electricity from tides | $2M | 29 mo ago | 59 | 2007 | — | WordPressMySQLPHP+19 | 142 patents Patents concentrated in mechanical & energy engineering | 1 award |
| 18 | Enerpoly Manufacturer of zinc-ion batteries | $2M | 31 mo ago | 12 | 2018 | Mylad Chamoun Co-Founder & CTO | RubyAnimate.cssVarnish+16 | 10 patents Patents concentrated in electrical & electronics | — |
| 19 | Fifty Energy Provider of an AI platform for energy and capacity optimization | $2M | 10 mo ago | — | 2023 | Clement Lavollé Co-Founder and CTO | — | — | — |
| 20 | Phoenix Biopower Developer of biomass-fired technology intended to facilitate power generation from biomass | $1M | 58 mo ago | 16 | 2016 | Henrik Bage CEO | — | 24 patents Patents concentrated in mechanical & energy engineering | — |
| 21 | Enjay Produces energy from waste gas of restaurant ventilation | $935K | 10 mo ago | 19 | 2015 | Nils Lekeberg Founder | — | 28 patents Battery-powered and self-cleaning ventilation system components for HVAC applications | — |
| 22 | Aqua Robur Technologies Provider of IoT-based solutions for water networks | $816K | 61 mo ago | 21 | 2014 | Niklas Wicen Co-Founder & CEO | BreakdanceWordPressMySQL+11 | 23 patents Water flow energy harvesting devices and combined sewer overflow sensing systems | — |
| 23 | Ocean Harvesting Technologies Developer of wave energy converter technology for electricity generation | $355K | 44 mo ago | 6 | 2007 | Mikael Sidenmark Founder & CEO | — | 75 patents Marine wave energy conversion buoys and integrated power take‑off systems | — |
| 24 | Flue Gas Recovery Sweden Waste heat recovery from flue gases | $211K | 121 mo ago | 2 | 2013 | Thomas Gustafsson Founder & Co-CEO | — | — | — |
| 25 | Solelia Greentech Developer of solar banking system | $115K | 91 mo ago | 3 | 2011 | Daniel Wahlberg Founder & Board Member | — | — | — |
Top 12 Renewable Energy Tech companies in Sweden
#1
Series B · Stockholm, Stockholm County · founded 2009 · 69 employees$75.7Mraised▾
Wave energy converter solutions provider. It has developed a point absorber with a heaving buoy on the surface which absorbs energy from the combined surge and heavy motion of the waves.
- Jul 2025Series B—
- Feb 2025Grant (prize money)$2.6M
- Feb 2025Series B$15.7M
- Oct 2024Series B$35M
#2
Series B · Stockholm, Stockholm County · founded 2009 · 160 employees$45.1Mraised▾
Manufacturer of solar cells. It offers a proprietary material that improves the performance of the cell. It also uses technology which uses light-sensitive dye to collect energy like photosynthesis.
- Dec 2025Grant (prize money)$13.8M
- Apr 2025Series B$15.1M
- Mar 2023Series B—
- May 2021Conventional Debt$20M
#3
Acquired · Stockholm · 5000 employees$9Braised▾
Manufacturer of lithium-ion batteries for electric vehicles. It provides solutions for new production technologies to deliver low-cost lithium-ion batteries to be used in electric and off-highway vehicles. It provides custom cells optimized for a particular application, battery system, and more.
#4
Series A · Linkoping, ostergotland County · founded 2016 · 52 employees$19.4Mraised▾
Developer and provider of solar modules. The solar cells produced can be printed on recyclable plastic. It offers a tool that converts indoor light into a power source. The solar cells can be integrated into devices and applications, in sectors such as retail, smart buildings, and consumer electronics.
- Oct 2025Grant (prize money)$3.5M
- Jul 2023Series A$5.5M
- Sep 2022Grant (prize money)$2.4M
- Jul 2021Grant (prize money)$59.4K
#5
Series A · Gothenburg, Vastra Gotaland County · founded 2008 · 43 employees$13Mraised▾
Provider of solutions for energy generation from gasification of biofuel. It provides a technology solution for the conversion of solid biomass to heat and power. The process includes a fuel handling system, a cyclone gasifier, a gas cleaning system based on bio-oil scrubbing, a wet electric precipitator, and a gas engine with a generator.
- Oct 2025Venture Debt$46.4M
- Aug 2023Series A$9.8M
- May 2017Seed$3.2M
#6
Public · Stockholm, Stockholm County · founded 2004 · 96 employees$12.4Mraised▾
Manufacturer of thin, light, and flexible solar panels for various roofs. These solar panels are designed for tile, metal, and membrane roofs. The products can be installed on existing roofs or during roof replacement. The company also manufactures machinery used in the solar panel production.
- Apr 2025Grant (prize money)$3M
- Apr 2023Grant (prize money)$7M
- Nov 2021Grant (prize money)—
- Nov 2021Conventional Debt—
#7
Seed · Are, Jamtland · founded 2023$1.6Mraised▾
Provider of an AI platform for energy and capacity optimization. The platform enables energy companies to deliver AI insights to their customers. It facilitates behind-the-meter optimization and multi-market participation. The platform also supports flexible power purchase agreements. It allows integration of data to build customer experiences. The platform offers modular service stacks and data protection measures.
- Aug 2025Seed$1.6M
#8
Seed · Malmo, Skane County · founded 2015 · 19 employees$934.7Kraised▾
Enjay is a developer of a technology that produces energy from waste gas of restaurant ventilation. It installs an energy recovery system called Lepido into the restaurant's ventilation system. Claims to increase energy efficiency and reduce the carbon footprint of the restaurant buildings.
- Sep 2025Seed$822.4K
- May 2019Grant (prize money)$55.7K
- Dec 2018Grant (prize money)$56.6K
#9
Series B · Gothenburg, Vastra Gotaland County · founded 2015 · 27 employees$8.7Mraised▾
TRINE is a crowdfunding platform for solar projects. Assists individuals to invest money in solar projects in which user can invest a minimum amount of €25. The amount is transferred to an e-wallet & once the funding completes solar projects are installed. Users are supplied with solar power and need to pay for the power through micro-payments. The invested amount is credited with interest to the e-wallet where users can choose to withdraw or reinvest the fund in other projects.
- May 2024Series B$1.9M
- Jun 2017Series A$6.7M
#10
Acquired · Stockholm, Stockholm County · founded 2013 · 132 employees$39.4Mraised▾
Manufacturer of solar roof tiles or building integrated photovoltaic tiles. It uses monocrystalline solar cells sandwiched between two large sheets of glass which reduces the number of connections and makes it cheaper.
- Jan 2023Series A$14.6M
- Sep 2022Series A$15.2M
- Apr 2021Seed$5.4M
- Dec 2020Seed$1.8M
#11
Series A · Sollentuna, Stockholm County · founded 2014$106.8Mraised▾
Provider of app-based solar battery storage and energy consumption monitoring solutions. The platform allows users to track SVEA solar system, battery storage, and electricity consumption. Product offerings include solar calculators, energy calculators, chargers, and storage batteries. It app is available for Android and iOS devices.
- Jun 2022Series A$106.8M
- Mar 2022Seed—
#12
Public · Gothenburg, Vastra Gotaland County · founded 2007 · 59 employees$2.5Mraised▾
Developer of subsea kite systems designed to generate electricity from tides. The company’s technology uses underwater kites to capture energy from tidal streams and ocean currents. These systems are designed to be lightweight and modular. The technology aims to provide a predictable and affordable source of renewable energy.
- Feb 2024Grant (prize money)$264.9K
- Sep 2021Grant (prize money)$670.1K
- Jul 2021Grant (prize money)$59.4K
- May 2021Post IPO$19.1M
Funding & investor landscape
Notable founders
How research on Green Hydrogen is moving in Sweden
A read on the academic research around Green Hydrogen — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 402 Sweden-affiliated papers.
- KTH Royal Institute of Technology96
- Uppsala University83
- Luleå University of Technology43
- Chalmers University of Technology41
- Lund University31
- Hydrogen production13→36
- Catalysis8→26
- Electrocatalyst1→8
- Electrolysis1→8
- Photocatalysis8→14
- Hydrogen production17→56
- Production (economics)1→23
- Catalysis14→25
- Syngas2→12
- Water splitting2→11
- Hydrogen production4→16
Where green hydrogen is researched across Sweden
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
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.