Top Clean Energy Companies in Sweden (2026 Update)

Browse Clean Energy companies in Sweden with up-to-date profiles — funding rounds, investors, hiring, and expansion signals. Find recently funded and growing companies. Updated 2026.

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Showing 40 Companies

Company	Location	Founded	Industry	Services	Target Customers	Business Model	Revenue Model	Founders	Employees	Funding Stage
Novatron Fusion Group AB Fusion powering the sustainable planet	Sweden	2019	Clean Energy	Development And Commercialization Of Fusion Reactor Technology For Clean And Sustainable Energy Production	Governments Private Sector Energy Companies +2	—	—	—	43	Series A
ReVibe Energy Self-powered sensors for intelligent vibration monitori…	Sweden	2014	Energy Information Technology +2	Real-time Vibration Monitoring And Analytics Wireless, Self-powered Sensor Solutions +3	Mining Industry Aggregates Industry +4	B2B D2C +1	Product Sales Subscription +1	—	12	Unknown
Modvion Modvion accelerates the transition to renewable energy…	Sweden	2015	Energy Manufacturing +2	Design, Supply, And Installation Of Wooden Wind Turbine Towers Partnerships With Renewable Energy Leaders +1	Wind Energy Producers Renewable Energy Developers +2	B2B D2C +1	Product Sales Service Fee +1	—	44	Unknown
SeaTwirl AB The future of floating offshore wind	Sweden	2012	Energy Manufacturing +2	Development Of Floating Vertical-Axis Wind Turbines Sustainable Offshore Wind Power Solutions +1	Oil And Gas Platforms Islands And Remote Seaside Villages +3	—	—	—	23	Seed
Svea Solar Power is Shifting	Sweden	2014	Energy IoT +4	Solar Installations Storage Solutions +3	Homeowners Businesses +1	—	—	—	637	Series B
Celcibus AB The hydrogen economy requires more sustainable and chea…	Sweden	2019	Energy Renewable Energy +1	Development Of Noble-metal Free Catalysts Fuel Cell Technology Solutions +1	Automotive Industry Industrial Applications +2	—	—	—	6	Seed
Kärnfull Energi (SE) Sweden’s first 💯% nuclear electricity provider. We don…	Sweden	2019	Clean Energy			B2C D2C	Usage Based Subscription	—	2	Seed
Minesto Expanding the ocean energy potential	Sweden	2007	Energy Renewable Energy +1	—	—	—	—	—	50	Grant
Qlucore Provides powerful visualization-based bioinformatics da…	Sweden	2007	Analytics Data Analytics +1	—	—	—	—	—	32	Grant
Airwatergreen AB Airwatergreen - energy efficient products for all clima…	Sweden	2010	Energy Health Care +2	—	—	—	—	—	24	Undisclosed
Solör Bioenergi AB Vi omvandlar träavfall till förnybar energi och fjärrvä…	Sweden	1960	Energy Renewable Energy +1	—	—	—	—	—	56	Debt Financing
Direct Carbon Compact And Onsite Direct Air Capture	Sweden	2021	Sustainability Clean Energy +1	—	—	—	—	—	6	Seed
Bright Energy AB We bring utilities to the forefront of smart energy, by…	Sweden	2012	Energy Renewable Energy +1	—	—	—	—	—	40	Series Unknown
Mantex AB A new way to analyze biomass - we deliver real time ana…	Sweden	2007	Automation Clean Energy	Biomass Quality Assessment Real-Time Organic Material Analysis +3	Pulp Mills Pellet Manufacturers +3	B2B D2C +1	Product Sales Service Fee +1	—	19	Series Unknown
Qvantum International Heat pumps for sustainable cities. Carbon neutral heati…	Sweden	1993	Energy Clean Energy	Thermal Battery Solutions Heat Pump Products +2	Residential Customers Commercial Customers +3	B2B B2C +1	Product Sales Service Fee +1	—	33	Unknown
Sol Voltaics	Sweden	2011	Energy Renewable Energy +1	—	—	—	—	—	5	Series D
Hexicon Hexicon is a world-leading project developer and techno…	Sweden	2009	Renewable Energy Clean Energy +1	—	—	—	—	—	42	Series Unknown
Avanti Wind Systems Safe Work in Wind Turbines	Sweden	1948	Manufacturing Renewable Energy +1	—	—	—	—	—	121	Private Equity
Caplyzer Revolutionize Green Hydrogen	Sweden	2022	Clean Energy	—	—	—	—	—	5	Series Unknown
Centriair Centriair develops and offers technology leading odour…	Sweden	2007	Food and Beverage Clean Energy +1	—	—	—	—	—	33	Private Equity