Best Energy Tech Companies in Stockholm, Sweden
The 96 best Energy Tech companies in Stockholm, Sweden in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Einride.
Our analysis of 287 Energy Tech companies
$109.4b in tracked funding; 82% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Tech companies in Stockholm
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Einride 🦄 Provider of electric and autonomous freight transportation solutions | $652M | 3 mo ago | 571 | 2016 | Linnea Falck Co-Founder | WebflowSalesforceVimeo+19 | 65 patents Autonomous freight vehicle operation, fleet management, and electric routing systems | 1 partnership |
| 2 | Voi 🦄 App-based platform offering electric kick-scooter rental services | $544M | 27 mo ago | 1,000 | 2018 | Adam Jafer Co-Founder | Apple iCloud MailGoogle WorkspaceRuby+21 | — | — |
| 3 | Volta Trucks Developer of electric trucks | $386M | 39 mo ago | 13 | 2019 | Carl Norden Founder | WordPressApple iCloud MailMicrosoft 365+37 | — | — |
| 4 | Polarium 🦄 Developer of battery management systems and energy storage hardware solutions | $274M | 20 mo ago | 550 | 2015 | Stefan Jansson Founder | WordPressApple iCloud MailMicrosoft 365+32 | — | 1 partnership |
| 5 | Tibber Provider of a digital platform for electricity consumption management and insights | $177M | 51 mo ago | 61 | 2016 | Edgeir Aksnes Co-Founder & CEO | Apple iCloud MailGoogle WorkspaceBootstrap+21 | — | 1 job opening · 5 partnerships |
| 6 | Aira Provider of heat pumps solution for energy efficiency | $159M | 10 mo ago | — | 2022 | Martin Lewerth CEO | Apple iCloud MailMicrosoft 365Node.js+20 | — | 1 launch · 1 partnership · 1 award |
| 7 | Flower Provider of energy storage solutions | $109M | 19 mo ago | — | 2020 | John Diklev Founder & CEO | WordPressApple iCloud MailGoogle Workspace+18 | — | — |
| 8 | Candela Manufacturer of hydrofoiling electric boats and ferries for water transport | $94M | 3 mo ago | 400 | 2014 | Gustav Hasselskog Founder & CEO | WordPressApple iCloud MailMicrosoft 365+28 | — | 1 launch |
| 9 | CorPower Ocean Wave energy converter solutions provider | $76M | 0 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 |
| 10 | CAKE Manufacturer of electric motorbikes | $74M | 56 mo ago | 182 | 2016 | Nils Ytterborn Co-Founder | Node.jsSalesforceReact+23 | — | — |
| 11 | Exeger Manufacturer of solar cells | $45M | 6 mo ago | 160 | 2009 | Giovanni Fili Founder & CEO | WordPressMySQLPHP+23 | — | — |
| 12 | SunRoof Manufacturer of solar roof tiles or building integrated photovoltaic tiles | $39M | 41 mo ago | 132 | 2013 | Martyn Szczepankowski Co-Founder | WordPressMySQLPHP+28 | — | 2 partnerships |
| 13 | Legora Law Provider of electric scooters and bikes for urban transportation solutions | $36M | 23 mo ago | — | — | Max Junestrand Co-Founder & CEO | — | — | — |
| 14 | Vässla Developer of electric-two wheelers | $17M | 60 mo ago | 31 | 2017 | — | Cart FunctionalityShopifyApple iCloud Mail+32 | — | — |
| 15 | SaltX Technology Saltwater based energy storage system | $17M | 71 mo ago | 12 | 2001 | — | WordPress Block EditorWordPressMySQL+17 | — | — |
| 16 | Greenely Provider of an application that connects and optimizes home energy consumption | $16M | 22 mo ago | — | 2014 | Fredrik Hagblom Co-Founder & Head Of Operations | WebflowSentryAmazon Web Services+15 | — | 1 partnership |
| 17 | Fever Energy Provider of a virtual power plant platform | $12M | 28 mo ago | 8 | 2022 | Ruben Flam Co-Founder & CMO | TurbopackNode.jsHeadless UI+20 | — | — |
| 18 | Midsummer Manufacturer of thin, light, and flexible solar panels for various roofs | $12M | 14 mo ago | 96 | 2004 | — | WordPressMySQLPHP+42 | 12 patents CIGS thin‑film solar cell manufacturing and recycling of copper‑indium‑gallium‑selenide materials | 1 partnership |
| 19 | Plexigrid Provider of software solutions for efficient management of electricity distribution networks | $12M | 27 mo ago | 28 | 2019 | Alberto Méndez Rebollo Chief Executive Officer | WordPressMySQLPHP+31 | — | 1 expansion |
| 20 | myFC Fuel cell technology solution provider | $7M | 85 mo ago | 11 | 2005 | — | — | 138 patents Fuel cell power modules and hybrid fuel‑cell/battery systems for electric vehicles | — |
| 21 | Myrspoven Provider of AI-driven energy optimization solutions for commercial buildings | $6M | 28 mo ago | 47 | 2017 | Anders Kallebo Co-Founder & CEO | WordPressMySQLPHP+22 | — | 1 launch |
| 22 | Blixt Developer of programmable power infrastructure for electrical distribution systems | $5M | 27 mo ago | 8 | 2018 | Jan Johansson Co-Founder | Cart FunctionalityWordPressMySQL+30 | — | 1 partnership |
| 23 | DREM Installer of air-water, air-air, exhaust air, and geothermal heat pumps | $5M | 19 mo ago | 16 | 2022 | Hannes Palm COO and Co-founder | TypeScriptGraphQLGoogle Maps+19 | — | — |
| 24 | Watty Energy usage data analytics for smart homes and buildings | $4M | 119 mo ago | 11 | 2013 | — | — | — | — |
| 25 | Arkion AI-powered asset analytics solution for power grid | $4M | 23 mo ago | — | 2019 | David Wickstrom Co-Founder | WebflowSalesforceAmazon Web Services+18 | — | — |
| 26 | Qurrent Provider of energy solutions for energy grid and their utility | $4M | 11 mo ago | — | 2022 | Mats Lindelow Co-Founder & CEO | WebflowUnpkgcdnjs+5 | — | 1 launch |
| 27 | C Green Provider of solutions for the conversion of wastewater sludge into biocoal | $3M | 44 mo ago | 5 | 2015 | — | Cart FunctionalitySquarespace CommerceSquarespace+19 | 24 patents Advanced silicon production and multiphase reactor technologies for silicon material manufacturing | — |
| 28 | Hemma Provider of real-time energy performance data platform | $2M | 35 mo ago | — | 2018 | Therese Ruth Founder & CEO | — | — | — |
| 29 | Cling Systems Provider of a platform for sourcing and transacting battery materials | $2M | — | 7 | 2020 | — | — | — | — |
| 30 | Enerpoly Manufacturer of zinc-ion batteries | $2M | 30 mo ago | 12 | 2018 | Mylad Chamoun Co-Founder & CTO | RubyAnimate.cssVarnish+16 | 10 patents Patents concentrated in electrical & electronics | — |
| 31 | Southern Lights Green hydrogen projects assessment solution | $2M | 27 mo ago | 3 | 2022 | Anton Frisk Co-Founder | WordPressMySQLPHP+21 | — | — |
| 32 | Phoenix Biopower Developer of biomass-fired technology intended to facilitate power generation from biomass | $1M | 57 mo ago | 16 | 2016 | Henrik Bage CEO | — | 24 patents Patents concentrated in mechanical & energy engineering | — |
| 33 | Telcred Provides NFC based access control | $727K | 133 mo ago | 6 | 2009 | Carlo Pompili CEO | — | 4 patents Physical access control hardware and management systems for secure entry | — |
| 34 | Climeon Provider of SaaS-driven industrial and geothermal waste heat recovery products | $514K | 60 mo ago | 37 | 2011 | Thomas Ostrom Founder & CEO | WordPress Block EditorBeaver BuilderWordPress+27 | 109 patents Low‑temperature heat‑to‑electric conversion systems with pumps, condensers, and plate heat exchangers. | — |
| 35 | Expektra Demand forecasting solutions for utilities and power trading | $219K | 89 mo ago | 7 | 2010 | Gustav Bergman Co-founder and CTO | — | — | 1 partnership · 1 expansion |
| 36 | Flue Gas Recovery Sweden Waste heat recovery from flue gases | $211K | 120 mo ago | 2 | 2013 | Thomas Gustafsson Founder & Co-CEO | — | — | — |
| 37 | Solelia Greentech Developer of solar banking system | $115K | 90 mo ago | 3 | 2011 | Daniel Wahlberg Founder & Board Member | — | — | — |
Top 12 Energy Tech companies in Stockholm
#1
Einride 🦄Series E · Stockholm, Stockholm County · founded 2016 · 571 employees$652.3Mraised▾
Provider of electric and autonomous freight transportation solutions. It integrate smart vehicles, AI-powered logistics software, and charging infrastructure for sustainable road freight operations. It combines autonomous vehicles, electric trucking operations, intelligent charging infrastructure, and AI-powered fleet management software into a unified logistics ecosystem. Its solutions optimize freight movement through real-time data analysis, route management, energy optimization, and operational automation, enabling businesses to reduce emissions, improve efficiency, and transition toward sustainable transportation at scale across global markets.
- Feb 2026Series E$113M
- Oct 2025Series D$100M
- Aug 2023Series C—
- May 2023Grant (prize money)$15M
#2
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
#3
Acquired · Stockholm, Stockholm County · founded 2014 · 400 employees$94Mraised▾
Manufacturer of hydrofoiling electric boats and ferries for water transport. The company is pioneering the future of waterborne public transport with electric hydrofoil ferries that combine zero emissions, high speed, and exceptional energy efficiency.
- Mar 2026Series D$32M
- Aug 2025Series C$8.1M
- Nov 2024Series C$14M
- Mar 2024Series C$26.7M
#4
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
#5
Series C · Stockholm, Stockholm County · founded 2022$158.8Mraised▾
Provider of heat pumps solution for energy efficiency. It offers air-source heat pumps for residential heating. It delivers innovative and affordable clean energy-tech solutions to accelerate the electrification of residential heating.
- Aug 2025Series C$174.6M
- Jun 2024Conventional Debt$217.3M
- Jan 2024Series B$158.8M
#6
Polarium 🦄Series D · Stockholm, Stockholm County · founded 2015 · 550 employees$273.6Mraised▾
Developer of battery management systems and energy storage hardware solutions. These products facilitate energy storage for residential, commercial, industrial, and telecommunications applications. The hardware integrates with software to manage power availability, optimize energy consumption, and support grid stability. The systems enable users to store energy for reserve power, reduce costs through peak shaving, and participate in energy markets. The technology supports the integration of renewable energy sources by providing scalable storage capacity for various infrastructure requirements.
#7
Series A · Stockholm, Stockholm County · founded 2020$108.6Mraised▾
Provider of energy storage solutions. They offer wide range of solutions such as virtual power plant,grid balancing services,renewable energy integration and AI driven energy optimization solutions. They offer an AI powered platform to stabilizing the energy system by enhancing predictability and flexibility.
- Nov 2024Series A$21.7M
- Aug 2024Series A$27.5M
- 2024Conventional Debt$44.1M
#8
Voi 🦄Series D · Stockholm, Stockholm County · founded 2018 · 1000 employees$544.3Mraised▾
App-based platform offering electric kick-scooter rental services. It provides a mobile app that allows users to find and rent electric kick scooters nearby. The users can unlock the kick scooters through a QR code and after riding they can park it at any valid place. The mobile application is available for iOS users.
- Mar 2024Series D$25M
- Mar 2024Conventional Debt—
- Dec 2021Series D$115M
- Aug 2021Series C$45M
#9
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—
#10
Seed · Stockholm, Stockholm County · founded 2022$3.5Mraised▾
Provider of energy solutions for energy grid and their utility. It provides users with a company that focus on an energy organization that aims to help people generate and save energy. It also facilitate transactions, and establishing rules to govern the network in order to build trust and maintain quality.
- Jul 2025Seed$3.5M
#11
Funding Raised · Stockholm, Stockholm County$36Mraised▾
Provider of electric scooters and bikes for urban transportation solutions. The company develops electric scooters and bikes designed for use in urban environments. These products enable users to address last mile transportation needs. The company's offerings provide a low carbon transportation alternative.
#12
Series C · Stockholm, Stockholm County · founded 2019 · 13 employees$386Mraised▾
Developer of electric trucks. The company manufactures electric trucks with features like 160-200 kWh battery size, 8,600 kg payload, biodegradable and vegan body construction, low driver cabins, electrified fleets, drivetrains, and more.
- Mar 2023Grant (prize money)$15.9M
- Nov 2022Series C$62.3M
- Feb 2022Series C$260M
- Sep 2021Series B$43.7M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
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.