Best Energy Companies in Sweden
The 606 best Energy companies in Sweden in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Elvy Energy.
Sweden's Energy sector is where $1.1 billion in disclosed funding meets a field of 606 tracked companies, and the spread tells you everything. Elvy Energy alone accounts for $593 million of that total, which means one company is carrying the weight of the entire directory. Below it, Liquid Wind has pulled $83 million, Qvantum $44 million, and the rest of the pack is working in single-digit millions. That's not a weakness in the market, it's a signal of where conviction is concentrating. Hot themes driving coverage include solar electricity generation, solar PV, and EV battery technology, and with median install growth running at roughly 28% year-on-year across energy apps, the digital layer of this sector is moving fast. Investors like Almi Invest, EIT InnoEnergy, and Industrifonden are active throughout the stack.
So what does this mean if you're trying to place Sweden's energy buildout in a global frame? The Enel North America and Arcus Power partnership is a useful reference point for how advanced energy management is being institutionalized elsewhere, and geopolitical pressure on supply chains, visible in recent disruption to global energy exports, only sharpens the case for domestic energy infrastructure. I'd argue Sweden's zero-unicorn count is less a ceiling than an open question. The capital is here. The founders are here. The directory below ranks them by funding and momentum.
- International grid edge study reveals countries needs and readiness f
Our analysis of 441 Energy companies
$135.1b in tracked funding; 76% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy companies in Sweden
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Market signals (1y) | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Elvy Energy Provider of fixed-price energy subscriptions including solar, heat pump, battery | $593M | 1 mo ago | — | Fabian Linzberger Co-Founder | ContentfulNode.jsPanda CSS+19 | — | — | 2 expansions |
| 2 | Bergvik Skog Producer of wood products & seedlings | $136M | 144 mo ago | 123 | — | — | — | — | — |
| 3 | Liquid Wind Developer of wind energy projects | $83M | 18 mo ago | — | Claes Fredriksson Founder & CEO | Cart FunctionalitySquarespace CommerceSquarespace+22 | — | 6 patents Continuous solvent recovery for Power‑to‑X methanol synthesis and grid integration technologies. | — |
| 4 | Qvantum Manufacturer of heat pump systems for residential and commercial applications | $44M | 17 mo ago | 1 | Jesper Jarnhall Co-Founder & COO | WordPress Block EditorWordPress Site EditorWordPress+29 | — | — | 2 job openings · 1 expansion · 3 awards |
| 5 | SunRoof Manufacturer of solar roof tiles or building integrated photovoltaic tiles | $39M | 40 mo ago | 132 | Martyn Szczepankowski Co-Founder | WordPressMySQLPHP+28 | — | — | 2 partnerships |
| 6 | Chemrec Biofuel from pulp and paper biomass | $20M | 210 mo ago | 1 | — | — | — | 49 patents Biomass and black‑liquor gasification reactors with pressure‑absorbing and barrier technologies | — |
| 7 | Triventus Wind EPC company | $19M | 180 mo ago | — | Ken Petersson CEO | — | — | — | — |
| 8 | Alight Developer of solar energy projects | $14M | 109 mo ago | 43 | Richard Nicolin Co-Founder & CFO | Apple iCloud MailMicrosoft 365Ruby+20 | 17 signals ▼29% Leadership · Earnings · Lawsuit | — | 2 partnerships · 1 expansion |
| 9 | Mantex Developer of X-ray systems for biomass and pulp analysis | $13M | 96 mo ago | 5 | Max Gerger CEO | WordPressMySQLPHP+14 | — | 70 patents Patents concentrated in computing, sensing & instrumentation | 1 launch |
| 10 | Hexicon Developer of floating wind energy projects | $12M | 122 mo ago | 31 | Marcus Thor CEO | Cart FunctionalitySquarespace CommerceSquarespace+17 | 9 signals ▼47% Acquisition · Earnings · Funding | 30 patents Floating offshore wind turbine platforms integrating propulsion and energy generation | — |
| 11 | KraftPowercon Provider of power transmission repair and maintenance services | $9M | 214 mo ago | 478 | Vijay Jakkli Founder | Apple iCloud MailMicrosoft 365Node.js+21 | — | — | 5 job openings |
| 12 | Novatron Fusion Developer nuclear energy projects | $9M | 14 mo ago | 19 | Peter Roos CEO | Cart FunctionalitySquarespace CommerceSquarespace+21 | — | 26 patents Magnetic mirror plasma confinement systems and high-field electromagnetic coils for fusion. | 1 partnership |
| 13 | Petrolia Energy Provider of online casino games and sports betting | $7M | 106 mo ago | 4 | Zel Khan CEO | — | — | — | — |
| 14 | Blykalla Developer and producer of advanced small modular reactors | $7M | 5 mo ago | — | Peter Szakalos Co-Founder & CRO | RubyAnimate.cssTailwind CSS+12 | — | 14 patents Patents concentrated in chemistry & materials | 1 job opening · 2 partnerships |
| 15 | Swedish Biogas International LNG distribution company | $7M | 204 mo ago | 35 | Johanna Lamminen CEO | — | — | 4 patents Combined pre/post digesters and plate heat exchangers for biogas production systems | — |
| 16 | Energy Machines Provider of geothermal energy storage services | $6M | 78 mo ago | 86 | Johan Gedda Founder | WebflowVimeoUmami+16 | — | — | 1 job opening · 1 expansion |
| 17 | REAC Fuel Technology provider for biofuels | $6M | 187 mo ago | 11 | Anders Carlius Founder & CEO | — | — | 43 patents Hydrothermal liquefaction and conversion of biomass into bio‑fuels and biomethane | — |
| 18 | Winfoor Designer and manufacturer of HAWT | $6M | 80 mo ago | — | Rikard Berthilsson CEO | — | — | 30 patents Advanced wind turbine rotor blade design and coupling mechanisms for renewable energy generation | — |
| 19 | Polar Light Technologies Provider of microLEDs | $6M | 5 mo ago | 10 | Gustaf Hallgren Co-Founder | WordPress Block EditorWordPressMySQL+15 | — | 8 patents Integrated LED arrays with same‑side contacts using Group‑III nitride semiconductor structures | 1 partnership |
| 20 | Ligna Energy Developer of bio-based supercapacitors for sustainable energy storage in electronics | $5M | 36 mo ago | — | Peter Ringstad CEO | WordPressPleskMySQL+30 | — | 11 patents Lignin-based polymer electrolytes and electrodes for high‑performance supercapacitors | 1 partnership |
| 21 | Peafowl Plasmonics Provider of smart sensors and electronic devices | $4M | 49 mo ago | 12 | — | — | — | 14 patents Patents concentrated in electrical & electronics | — |
| 22 | Petrosibir Oil & gas exploration and production company | $3M | 198 mo ago | 29 | Pavel Tetyakov CEO | — | — | — | — |
| 23 | SeaTwirl Developer of floating vertical-axis wind turbines designed for deep-water environments | $3M | 57 mo ago | 14 | — | WordPress Block EditorWordPressMySQL+15 | — | 27 patents Floating vertical‑axis wind turbine designs and marine installation methods | — |
| 24 | ZIGRID Developer of geothermal energy project | $3M | 35 mo ago | 6 | Lars Birging CEO | — | — | 13 patents Patents concentrated in mechanical & energy engineering | — |
| 25 | NoviOcean Developer of marine energy based projects | $3M | 59 mo ago | — | Jan Skjoldhammer Founder & CEO | WordPressMySQLPHP+34 | — | — | 3 partnerships |
| 26 | Rift Labs Provider of LED lighting system | $2M | 59 mo ago | 23 | Halvard Aagaard CEO (Chief Executive Officer) | — | — | — | — |
| 27 | Spowdi Developer of solar powered water pump systems | $2M | 68 mo ago | 10 | Henrik Johansson CEO | WordPress Block EditorElementorWordPress+19 | — | — | — |
| 28 | Biokraft Producer of circular bioenergy and plant nutrition by recycling organic waste | $2M | 129 mo ago | 23 | — | — | — | — | — |
| 29 | Aluwave LED modules manufacturer | $2M | 182 mo ago | 31 | — | WordPressMySQLPHP+16 | — | — | — |
| 30 | Sens Developer of thermal energy storage | $2M | 71 mo ago | 7 | — | HighstockHighchartsYouTube+19 | — | — | — |
| 31 | Enkla Elbolaget Provider of energy management and solar installation services | $2M | 83 mo ago | 26 | Alexander Widegren Founder & CEO | WordPressMySQLPHP+40 | — | — | — |
| 32 | MagComp Manufacturer of technically advanced injection molded plastic products | $2M | 152 mo ago | 5 | Sten Camitz CEO & President | — | — | 14 patents Patents concentrated in electrical & electronics | — |
| 33 | Absolicon Solar Concentrator Manufactures solar concentrator | $1M | 73 mo ago | 48 | — | WordPressMySQLPHP+29 | — | 13 patents Design and integration of PV/T receivers and mounting systems for linear solar trough concentrators | — |
| 34 | Solkompaniet Solar energy based distributed power project developer | $1M | 114 mo ago | 142 | — | RubyAnimate.cssVarnish+15 | — | — | — |
| 35 | NeoZeo Developer of biogas upgrading modules for small- and medium-scale applications | $870K | 113 mo ago | 2 | Petr Vasiliev Co-Founder & CEO | — | — | 10 patents Manufacturing silicoaluminophosphate zeolite A sorbents for adsorption/ion exchange | — |
| 36 | Studsvik Offers solutions for nuclear energy sector | $849K | 48 mo ago | 2 | Camilla Hoflund President and CEO | WordPress Block EditorCart FunctionalityWordPress+24 | 4 signals Earnings · Contracts · M&A | — | 1 expansion |
| 37 | Zemission Developer of highly efficient catalytic combustion technology. | $611K | 65 mo ago | 3 | Anders Vestin Founder & CEO | — | — | 19 patents Catalytic combustion heating systems for liquid-fuel portable and stationary heaters | — |
| 38 | RenFuel Developer of biofuels and bioplastics from lignin | $595K | 29 mo ago | — | Sven Lochen CEO | — | — | — | — |
| 39 | Geofy Provider of battery system installation, electricity solutions for home, and other services | $502K | 4 mo ago | — | David Wedar COO & Co-Founder | — | — | — | — |
| 40 | Zdevco Manufacturer of systems for geoenergy applications and sustainable geothermal solutions | $391K | 81 mo ago | 25 | Kari Ojala Founder & VP | Windows ServerYouTubeMicrosoft ASP.NET+13 | — | — | 1 job opening |
| 41 | Samster Provider of public access television and media production services | $371K | 72 mo ago | 13 | Kent Samuelsson CEO | — | — | 19 patents Patents concentrated in mechanical & energy engineering | — |
| 42 | Voltic Provider of renewable power production services | $306K | 14 mo ago | — | Mathias Lindberg CEO | — | — | — | — |
| 43 | Sun4Energy Provider of installations of solar cells, electric car chargers and battery storage services | $287K | 47 mo ago | — | Mattias Leijon Co-Founder | WordPressMySQLPHP+18 | — | — | 1 job opening |
| 44 | ThingWave Provider of IoT solutions for creating a connected and intelligent urban ecosystem. | $247K | 32 mo ago | 10 | Jens Eliasson Co-Founder & CEO | — | — | 12 patents Non‑destructive testing and pre‑tension monitoring of steel bars and rock bolts | 1 launch |
| 45 | Taurus Energy Technology developer for bioethanol | $224K | 133 mo ago | 3 | — | — | — | — | — |
| 46 | Biofrigas Technology developer to convert raw biogas to liquid | $161K | 109 mo ago | 2 | — | Microsoft ASP.NETBootstrapAmazon ALB+15 | — | — | 1 partnership |
| 47 | Sunpine Producer of second generation fuels | $123K | 60 mo ago | 60 | Lars Stigsson Founder | WordPressApple iCloud MailMicrosoft 365+14 | 4 signals Announcements · M&A | 90 patents Biomass-derived tall oil processing into diesel fuels and sterol extraction technologies. | 1 job opening · 2 expansions |
| 48 | Seabased Developer of utility-scale wave energy parks | $115K | 90 mo ago | 16 | Oivind Oberg Magnussen Co-CEO | Squarespace CommerceSquarespaceTypeScript+10 | — | 226 patents Submerged linear wave-energy converters and their array layout for offshore power generation | — |
Top 12 Energy companies in Sweden
#1
Series A · Stockholm, Stockholm County · founded 2023$592.9Mraised▾
Provider of fixed-price energy subscriptions including solar, heat pump, battery. The subscriptions cover installation, service, maintenance, and repairs for a fixed monthly cost. The service includes energy analysis to determine the optimal energy system. The subscriptions aim to reduce energy costs and increase energy independence.
- May 2026Series A$6.9M
- Dec 2025Conventional Debt$585.9M
#2
Series C · Stockholm, Stockholm County · founded 2013$7.3Mraised▾
Blykalla is a Swedish deep-tech startup that is developing and building small modular reactors to deliver clean, safe, and scalable base load power. They are at the forefront of technological innovation in the energy sector and are focused on industrializing leading research.
- Dec 2025Series C$50M
- Feb 2025Series B$15.7M
- Feb 2025Grant (prize money)$2.6M
- Apr 2024Series A$7.3M
#3
Series A · Linkoping, ostergotland County · founded 2015 · 10 employees$5.8Mraised▾
Provider of microLEDs
- Jan 2026Series A$5.8M
#4
Series C · Gothenburg, Vastra Gotaland County · founded 2017$83.2Mraised▾
Developer of wind energy projects. It is a leading eFuel facility developer with a vision to reduce the world’s dependency on fossil fuel. It is a leading developer of eFuel facilities with a vision to reduce the world’s dependency on fossil fuel, particularly in hard-to-abate sectors such as global shipping.
- Nov 2024Series C$46.5M
- Oct 2022Series B$14.8M
- Nov 2021Grant (prize money)$16.8M
- Mar 2021Series A$4.8M
#5
Series C · Astorp, Skane County · founded 1993 · 1 employees$44.5Mraised▾
Manufacturer of heat pump systems for residential and commercial applications. The company offers products including air source, ground source, and exhaust air heat pumps. These systems are designed for thermal energy networks and individual use. The company also provides digital tools and applications to enhance system performance.
#6
Series A · Stockholm, Stockholm County · founded 2019 · 19 employees$8.6Mraised▾
Developer nuclear energy projects
- Mar 2025Series A$10.9M
- Aug 2023Seed$5.4M
- Dec 2022Seed$3.1M
- Dec 2022Grant (prize money)—
#7
Series A · Stockholm, Stockholm County · founded 2023$501.7Kraised▾
Geoffrey's Malibu offers an oceanside dining experience to escape the stresses of life. Geoff Tate is an American singer, songwriter, and wine maker. Geoffrey Moore provides custom search features for navigating the Palm Springs real estate market.
- Jan 2026Series A$10M
- Dec 2024Seed$2.5M
- Jul 2024Seed$501.7K
#8
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
#9
Seed · Karlskrona, Blekinge County · founded 2023$306.3Kraised▾
Provider of renewable power production services
- Apr 2025Seed$306.3K
#10
Acquired · Falun, Dalarna County · founded 2004 · 123 employees$135.5Mraised▾
Bergvik Skog is a forest owning firm in Europe, engages in the production of wood products & seedlings. Apart from operating 3 nurseries, it also develops wind farms and leases land & water for wind turbines, hunting and fishing. It provides land for various other purposes like extraction for gravel, electricity and telecom lines, mobile phone masts, road easements, housing leases, and boat sites through agreements.
- May 2014PE$135.5M
#11
Seed · Norrkoping, ostergotland County · founded 2017$5.3Mraised▾
Developer of bio-based supercapacitors for sustainable energy storage in electronics. These supercapacitors address the need for eco-friendly energy storage solutions. The supercapacitors are designed for integration with energy harvesters to eliminate battery replacements. The company focuses on sustainable power for use in intelligent electronic devices.
- 2023Seed$1.7M
- 2022Grant (prize money)—
- Feb 2022Seed$1.5M
- Feb 2018Seed$1M
#12
Funding Raised · Nora, orebro County · founded 2012 · 6 employees$2.7Mraised▾
Developer of a power generation IoT platform designed to convert excess heat into electricity at low temperatures. The company's technology focuses on using waste heat from industries as a complement to existing power plants with abundant waterborne waste heat to generate electricity as well as reduce the cost of cooling the excess heat before emission, enabling clients to be profitable and make a contribution to meeting international targets for renewable energy.
- Jun 2023Grant (prize money)$2.7M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Grid Energy Storage is moving in Sweden
A read on the academic research around Grid Energy Storage — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 409 Sweden-affiliated papers.
- Chalmers University of Technology94
- KTH Royal Institute of Technology91
- Uppsala University52
- Lund University30
- Luleå University of Technology22
- Battery (electricity)1→30
- Supercapacitor3→17
- Renewable energy1→13
- Capacitance2→12
- Anode1→10
- Renewable energy1→44
- Battery (electricity)2→43
- Automotive engineering1→17
- Electrode1→17
- Flexibility (engineering)1→13
- Battery (electricity)20
- Nanotechnology9
- Electrolyte7
- Flexibility (engineering)7
- Supercapacitor7
Where energy storage 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.