# Top 28 Energy Startups in Sweden by Funding (2026)

> The 28 best-funded energy startups in Sweden, ranked by total funding raised: $6.0B combined. With founding year, headquarters and each company's rounds.

Source: https://millionrounds.com/top-lists/energy-startups-sweden (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Northvolt**](https://millionrounds.com/company/northvolt) *Founded* - Sweden **$5.0B** last round Oct 2024
- 2 [**Elvy** Elvy is a Stockholm-based energytech startup founded in 2023, specializing in AI-optimized, subscription-based home energy systems.](https://millionrounds.com/company/elvy) Elvy is a Stockholm-based energytech startup founded in 2023, specializing in AI-optimized, subscription-based home energy systems. *Founded* 2023 Stockholm, Sweden **$595M** last round Oct 2026
- 3 [**Modvion** Modvion develops modular wind power towers in composite materials.](https://millionrounds.com/company/modvion) Modvion develops modular wind power towers in composite materials. *Founded* 2015 Göteborg, Sweden **$52M** last round Nov 2025
- 4 [**Tavion** Tavion is a developer of battery energy storage systems (BESS) focused on enhancing Europe’s renewable energy transition.](https://millionrounds.com/company/tavion) Tavion is a developer of battery energy storage systems (BESS) focused on enhancing Europe’s renewable energy transition. *Founded* - Stockholm, Sweden **$47M** last round Sept 2026
- 5 [**Alight**](https://millionrounds.com/company/alight) *Founded* 2015 Sweden **$47M** last round Feb 2026
- 6 [**Holyvolt** Holyvolt is a Swedish deep-tech energy startup founded in 2022, with its headquarters in Stockholm and additional operations in Munich, Germany.](https://millionrounds.com/company/holyvolt) Holyvolt is a Swedish deep-tech energy startup founded in 2022, with its headquarters in Stockholm and additional operations in Munich, Germany. *Founded* 2022 Stockholm, Sweden **$45M** last round Oct 2026
- 7 [**CorPower Ocean** CorPower Ocean AB is a Swedish company specializing in wave energy technology, founded in 2009 and headquartered in Stockholm.](https://millionrounds.com/company/corpower-ocean) CorPower Ocean AB is a Swedish company specializing in wave energy technology, founded in 2009 and headquartered in Stockholm. *Founded* 2012 Hägersten, Sweden **$44M** last round Feb 2025
- 8 [**Echandia** The safest, most advanced heavy-duty energy systems.](https://millionrounds.com/company/echandia) The safest, most advanced heavy-duty energy systems. *Founded* 2006 Stockholm, Sweden **$31M** last round Mar 2025
- 9 [**SeaTwirl** SeaTwirl is a new ocean based wind power technology developed.](https://millionrounds.com/company/seatwirl) SeaTwirl is a new ocean based wind power technology developed. *Founded* 2012 Gothenburg, Sweden **$17M** last round Sept 2025
- 10 [**Green Voltis** We help energy companies get more from their batteries.](https://millionrounds.com/company/green-voltis) We help energy companies get more from their batteries. *Founded* 2024 Stockholm, Sweden **$15M** last round Nov 2026
- 11 [**SunRoof** SunRoof International Holding AB is a Swedish-Polish startup founded in 2013, specializing in innovative home electrification solutions.](https://millionrounds.com/company/sunroof) SunRoof International Holding AB is a Swedish-Polish startup founded in 2013, specializing in innovative home electrification solutions. *Founded* 2020 Kungaelv, Sweden **$15M** last round Jan 2023
- 12 [**SweGaN AB** SweGaN AB is a prominent semiconductor manufacturer based in Linköping, Sweden, specializing in custom-engineered Gallium Nitride on Silicon Carbide (GaN-on-SiC](https://millionrounds.com/company/swegan-ab) SweGaN AB is a prominent semiconductor manufacturer based in Linköping, Sweden, specializing in custom-engineered Gallium Nitride on Silicon Carbide (GaN-on-SiC *Founded* 2014 Linköping, Sweden **$13M** last round Sept 2024
- 13 [**Enerpoly** Enerpoly is a next-generation energy storage technology company pioneering the zinc-ion battery chemistry.](https://millionrounds.com/company/enerpoly) Enerpoly is a next-generation energy storage technology company pioneering the zinc-ion battery chemistry. *Founded* 2018 Stockholm, Sweden **$8.4M** last round Dec 2023
- 14 [**Metacon AB** Metacon AB (publ) is an international energy technology company.](https://millionrounds.com/company/metacon-ab) Metacon AB (publ) is an international energy technology company. *Founded* 2011 Sweden **$7.9M** last round Jun 2026
- 15 [**Westra Materials** Internet of things (IoT) comprise electronic devices, such as batteries, displays, solar cells and sensors, and is revolutionizing our society by providing radi](https://millionrounds.com/company/westra-materials) Internet of things (IoT) comprise electronic devices, such as batteries, displays, solar cells and sensors, and is revolutionizing our society by providing radi *Founded* 2020 Norrkoeping, Sweden **$7.3M**
- 16 [**Plexigrid** Plexigrid is a deep tech scale-up based in Sweden and Spain, founded in 2020.](https://millionrounds.com/company/plexigrid) Plexigrid is a deep tech scale-up based in Sweden and Spain, founded in 2020. *Founded* 2020 Lillhaerdal, Sweden **$7.0M** last round Feb 2024
- 17 [**Rebaba** Building second life battery energy storage systems for a greener grid.](https://millionrounds.com/company/rebaba) Building second life battery energy storage systems for a greener grid. *Founded* 2023 Stockholm, Sweden **$4.6M** last round Sept 2026
- 18 [**Climeon** Climeon is a clean-tech vendor that produces heat power systems, converting waste heat, and geothermal heat into clean electricity.](https://millionrounds.com/company/climeon) Climeon is a clean-tech vendor that produces heat power systems, converting waste heat, and geothermal heat into clean electricity. *Founded* 2011 Stockholm, Sweden **$3.1M** last round May 2025
- 19 [**Engrate** Engrate is a Stockholm-based energy-tech company founded in 2024.](https://millionrounds.com/company/engrate) Engrate is a Stockholm-based energy-tech company founded in 2024. *Founded* 2024 Danderyd, Sweden **$2.9M** last round Jun 2025
- 20 [**Rivus Batteries** Rivus Batteries is a Swedish deep-tech company based in Gothenburg, founded in 2019.](https://millionrounds.com/company/rivus-batteries) Rivus Batteries is a Swedish deep-tech company based in Gothenburg, founded in 2019. *Founded* 2019 Gothenburg, Sweden **$2.9M** last round Jul 2026
- 21 [**GREEN14** GREEN14 is a Stockholm-based technology startup founded in 2021, focused on the extraction and production of critical raw materials, particularly high-purity si](https://millionrounds.com/company/green14) GREEN14 is a Stockholm-based technology startup founded in 2021, focused on the extraction and production of critical raw materials, particularly high-purity si *Founded* 2021 Stockholm, Sweden **$2.1M** last round Feb 2025
- 22 [**Granode Materials** Granode Materials develops a new method for producing a new graphene-based anode material for lithium-ion batteries.](https://millionrounds.com/company/granode-materials) Granode Materials develops a new method for producing a new graphene-based anode material for lithium-ion batteries. *Founded* 2021 Sundsvall, Sweden **$1.3M** last round Nov 2021
- 23 [**Retein** Retein is a Swedish biotechnology and ClimateTech company based in Gothenburg, founded in 2019.](https://millionrounds.com/company/retein) Retein is a Swedish biotechnology and ClimateTech company based in Gothenburg, founded in 2019. *Founded* 2019 Gothenburg, Sweden **$1.1M** last round Apr 2023
- 24 [**DREM** DREM, or Distributed Renewable Energy Movement, is a leading heat pump installer based in Sweden.](https://millionrounds.com/company/drem) DREM, or Distributed Renewable Energy Movement, is a leading heat pump installer based in Sweden. *Founded* 2022 Stockholm, Sweden **$1.0M** last round Nov 2024
- 25 [**Nrlyze** Nrlyze is a Stockholm-based startup founded in 2020 that offers an AI-driven energy optimization platform aimed at reducing waste in building heating systems fo](https://millionrounds.com/company/nrlyze) Nrlyze is a Stockholm-based startup founded in 2020 that offers an AI-driven energy optimization platform aimed at reducing waste in building heating systems fo *Founded* 2020 Stockholm, Sweden **$1.0M** last round Aug 2025
- 26 [**Ligna Energy** Ligna Energy is a Swedish green-tech startup founded in 2017, specializing in the development and manufacturing of ultra-thin, bio-based supercapacitors for con](https://millionrounds.com/company/ligna-energy) Ligna Energy is a Swedish green-tech startup founded in 2017, specializing in the development and manufacturing of ultra-thin, bio-based supercapacitors for con *Founded* 2017 Norrkoeping, Sweden **$920K** last round Sept 2023
- 27 [**SINOM** SINOM is a Swedish software startup located in Gothenburg, Västra Götaland.](https://millionrounds.com/company/sinom) SINOM is a Swedish software startup located in Gothenburg, Västra Götaland. *Founded* 2020 Gothenburg, Sweden **$526K** last round Jul 2025
- 28 [**Brighteco** Brighteco is a Swedish company that specializes in innovative lighting solutions, particularly through a subscription-based model known as "light as a service."](https://millionrounds.com/company/brighteco) Brighteco is a Swedish company that specializes in innovative lighting solutions, particularly through a subscription-based model known as "light as a service." *Founded* 2010 Gaevle, Sweden **$444K** last round Jul 2021

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose funding rounds we classed as this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

Open any company for its rounds and investors, or search the investors who back energy startups in Sweden in the app, with filters, lists and exports.

[Find their investors](https://millionrounds.com/login?join=1&next=/app/investors)[All top lists](https://millionrounds.com/top-lists)

## More energy lists

[See all](https://millionrounds.com/top-lists?t=Energy)

[*CE* *C* *SE* **Energy startups worldwide** 1,800 companies · $129B](https://millionrounds.com/top-lists/energy-startups)[*CE* *C* *SE* **Energy startups in the United States** 741 companies · $110B](https://millionrounds.com/top-lists/energy-startups-united-states)[*N* *V* *S* **Energy startups in Europe** 607 companies · $39B](https://millionrounds.com/top-lists/energy-startups-europe)[*C* *ME* *W* **Energy startups that raised in 2026** 429 companies · $73B in 2026](https://millionrounds.com/top-lists/energy-startups-raised-2026)[*S* *RS* *C* **Energy startups in the United Kingdom** 206 companies · $15B](https://millionrounds.com/top-lists/energy-startups-united-kingdom)[*C* *ME* *W* **Energy startups in the United States that raised in 2026** 194 companies · $63B in 2026](https://millionrounds.com/top-lists/energy-startups-united-states-raised-2026)[*AE* *TE* *RS* **Energy startups founded in 2021** 111 companies · $8.5B](https://millionrounds.com/top-lists/energy-startups-founded-2021)[*V* *UC* *E* **Energy startups founded in 2020** 105 companies · $15B](https://millionrounds.com/top-lists/energy-startups-founded-2020)

## More lists for Sweden

[See all](https://millionrounds.com/top-lists?r=Sweden)

[*N* *NH* *S* **Startups in Sweden** 879 companies · $25B](https://millionrounds.com/top-lists/startups-sweden)[*NH* *K* *A* **Health startups in Sweden** 134 companies · $3.3B](https://millionrounds.com/top-lists/health-startups-sweden)[*L* *L* *E* **AI startups in Sweden** 82 companies · $4.7B](https://millionrounds.com/top-lists/ai-startups-sweden)[*NH* *K* *A* **Biotech startups in Sweden** 75 companies · $3.0B](https://millionrounds.com/top-lists/biotech-startups-sweden)[*S* *S* *B* **IT Services startups in Sweden** 72 companies · $361M](https://millionrounds.com/top-lists/it-services-startups-sweden)[*NH* *K* *A* **Healthcare startups in Sweden** 71 companies · $2.9B](https://millionrounds.com/top-lists/healthcare-startups-sweden)[*K* *M* *J* **Financial Services startups in Sweden** 44 companies · $3.2B](https://millionrounds.com/top-lists/financial-services-startups-sweden)[*L* *L* *E* **Software startups in Sweden** 44 companies · $3.6B](https://millionrounds.com/top-lists/software-startups-sweden)