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Top 50 Energy Companies in Sweden (2026)

Sweden's energy sector is transitioning rapidly toward renewables, with companies leading in wind, solar, and grid modernization. These are the 50 largest Swedish energy companies by employee count.

1

🇸🇪 OK DETALJHANDEL AB

2,000–2,999 employees5–10B SEK

Leading Swedish provider of fuel, mobility services, and energy solutions.

2

🇸🇪 Vattenfall AB

2,000–2,999 employees10B+ SEK

European energy company driving society towards fossil freedom through innovation.

3

🇸🇪 SVENSKA KRAFTNÄT

1,500–1,999 employees10B+ SEK

State-owned operator managing Sweden's high-voltage electricity transmission grid.

4

🇸🇪 VAROPreem Sverige AB

1,500–1,999 employees10B+ SEK

Leading Swedish energy company transitioning to climate neutrality by 2035.

5

🇸🇪 VATTENFALL ELDISTRIBUTION AB

1,500–1,999 employees10B+ SEK

Enabling a fossil-free future through renewable energy solutions.

6

🇸🇪 E.ON Energidistribution Aktiebolag

1,000–1,499 employees10B+ SEK

Manages and maintains the essential electricity distribution grid infrastructure.

7

🇸🇪 FORSMARKS KRAFTGRUPP AKTIEBOLAG

1,000–1,499 employees5–10B SEK

Operates Sweden's largest nuclear power plant producing reliable, fossil-free electricity.

8

🇸🇪 Göteborg Energi Aktiebolag

1,000–1,499 employees1–5B SEK

Gothenburg's municipal energy company electrifying Western Sweden sustainably.

9

🇸🇪 Lantmännen ek för

1,000–1,499 employees10B+ SEK

Northern Europe's leading farmer-owned agricultural cooperative and value chain operator.

10

🇸🇪 RINGHALS AB

1,000–1,499 employees5–10B SEK

European energy company driving society towards fossil freedom through innovation.

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11

🇸🇪 Ellevio Sverige AB

500–999 employees500–1000M SEK

Ellevio operates and develops Sweden's electricity distribution network.

12

🇸🇪 Eskilstuna Strängnäs Energi och Miljö Aktiebolag

500–999 employees1–5B SEK

Operates essential energy, water, and environmental services for two municipalities.

13

🇸🇪 Fortum Sverige AB

500–999 employees10B+ SEK

Fortum provides Nordic electricity contracts, generation, and smart energy solutions.

14

🇸🇪 HOLMEN SKOG AKTIEBOLAG

500–999 employees100–500M SEK

Sustainable forestry services and timber procurement for renewable products.

15

🇸🇪 OKG Aktiebolag

500–999 employees1–5B SEK

Operates a major nuclear reactor and manages decommissioning projects.

16

🇸🇪 Renova Miljö AB

500–999 employees1–5B SEK

Leading Swedish environmental company managing waste and generating energy sustainably.

17

🇸🇪 Skellefteå Kraftaktiebolag

500–999 employees5–10B SEK

Provides renewable energy solutions including electricity, heating, and fiber.

18

🇸🇪 STATENS ENERGIMYNDIGHET

500–999 employees1–49K SEK

Government agency driving Sweden's transition to sustainable energy.

19

🇸🇪 Stockholm Exergi AB

500–999 employees10B+ SEK

Stockholm's energy company providing sustainable heat, cooling, and electricity.

20

🇸🇪 Tekniska verken i Linköping AB (publ)

500–999 employees1–5B SEK

Linköping's energy company building a resource-efficient region.

21

🇸🇪 Vattenfall Vattenkraft AB

500–999 employees1–5B SEK

European energy company driving the transition to fossil freedom.

22

🇸🇪 Adven Sverige AB

200–499 employees1–5B SEK

Leading partner driving energy transition via industrial and real estate solutions.

23

🇸🇪 AKTIEBOLAGET BORLÄNGE ENERGI

200–499 employees1–5B SEK

Borlänge Energi provides essential municipal energy and environmental services locally.

24

🇸🇪 Borås Energi och Miljö AB

200–499 employees1–5B SEK

Provides essential municipal services including energy, waste, and water.

25

🇸🇪 Coromatic AB

200–499 employees1–5B SEK

Nordic specialist securing mission-critical power and data infrastructure 24/7.

26

🇸🇪 Drivmedelsstation Preem AB

200–499 employees1–5B SEK

Leading Swedish energy company transitioning to climate neutrality by 2035.

27

🇸🇪 E.ON Energiinfrastruktur AB

200–499 employees1–5B SEK

Manages and develops E.ON's essential energy infrastructure assets in Sweden.

28

🇸🇪 E.ON Sverige Aktiebolag

200–499 employees5–10B SEK

E.ON Sweden manages electricity distribution and energy infrastructure services.

29

🇸🇪 Falu Energi & Vatten AB

200–499 employees1–5B SEK

Local utility providing essential energy, water, and waste services.

30

🇸🇪 Fortum Markets AB

200–499 employees5–10B SEK

Nordic energy company powering sustainable electrification and decarbonization.

31

🇸🇪 GÄVLE ENERGI AKTIEBOLAG

200–499 employees500–1000M SEK

Provides residential and business energy, heating, and broadband services.

32

🇸🇪 Halmstads Energi och Miljö AB

200–499 employees500–1000M SEK

Halmstad's leading provider of energy, heating, cooling, and waste services.

33

🇸🇪 JÄMTKRAFT AKTIEBOLAG

200–499 employees5–10B SEK

Jämtkraft provides renewable energy, grid services, and district heating.

34

🇸🇪 KARLSTADS ENERGI AKTIEBOLAG

200–499 employees1–5B SEK

Provides sustainable energy, heating, network, and waste services locally.

35

🇸🇪 Kraftringen Energi AB (publ)

200–499 employees1–5B SEK

Regional Swedish energy company providing electricity, heat, gas, and fiber infrastructure.

36

🇸🇪 Lantmännen Biorefineries AB

200–499 employees1–5B SEK

Refining agricultural resources into sustainable bioenergy products and raw materials.

37

🇸🇪 Lantmännen Unibake Sweden AB

200–499 employees1–5B SEK

Northern Europe's leading farmer-owned agricultural cooperative and value chain operator.

38

🇸🇪 LEVA i Lysekil AB

200–499 employees100–500M SEK

LEVA provides essential energy, water, and heating services locally.

39

🇸🇪 MÄLARENERGI AB

200–499 employees1–5B SEK

Municipal utility providing essential energy, water, and fiber services.

40

🇸🇪 Nynas AB

200–499 employees10B+ SEK

Supplying specialty bitumen and naphthenic oils for global infrastructure needs.

41

🇸🇪 OK VÄSTERBOTTEN EK FÖR

200–499 employees1–5B SEK

Member-owned cooperative operating OKQ8 fuel stations across Västerbotten.

42

🇸🇪 OK-Q8 AB

200–499 employees10B+ SEK

Major Swedish energy company offering fuel, EV charging, rentals, and banking.

43

🇸🇪 Polarbröd Aktiebolag

200–499 employees500–1000M SEK

Family-owned Swedish baker focused on sustainable bread production and energy.

44

🇸🇪 RENOVA AKTIEBOLAG

200–499 employees500–1000M SEK

Leading Swedish environmental company managing waste, recycling, and energy recovery.

45

🇸🇪 SCA Forest Products Aktiebolag

200–499 employees100–500M SEK

SCA manages Europe's largest private forest for sustainable products.

46

🇸🇪 SCA Massa AB

200–499 employees5–10B SEK

Leading European company utilizing forest resources for sustainable products.

47

🇸🇪 Skellefteå Kraft Energiservice Aktiebolag

200–499 employees500–1000M SEK

Provides renewable energy solutions including electricity, heating, and fiber.

48

🇸🇪 St1 Refinery AB

200–499 employees1–5B SEK

Leading Nordic energy transition company producing CO2-aware energy solutions.

49

🇸🇪 SULZER PUMPS SWEDEN AB

200–499 employees500–1000M SEK

Global industrial technology company providing fluid engineering solutions and services.

50

🇸🇪 Telge Nät AB

200–499 employees1–5B SEK

Providing essential city utilities, housing, and recycling services for Södertälje.

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