# Top 31 Residential Solar Startups Worldwide by Funding (2026)

> The 31 best-funded residential solar startups worldwide, ranked by total funding raised: $1.1B combined.

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

- 1 [**Sunlight Financial** Sunlight Financial is a technology-enabled point-of-sale financing company based in Charlotte, North Carolina.](https://millionrounds.com/company/sunlight-financial) Sunlight Financial is a technology-enabled point-of-sale financing company based in Charlotte, North Carolina. *Founded* 2014 Charlotte, United States **$730M** last round Jul 2021
- 2 [**SolarSquare** SolarSquare is a Mumbai-based residential solar company founded in 2015.](https://millionrounds.com/company/solarsquare) SolarSquare is a Mumbai-based residential solar company founded in 2015. *Founded* 2015 Mumbai, India **$98M** last round May 2026
- 3 [**dcbel** dcbel is an AI-driven sustainable energy technology company based in Montreal, Quebec, Canada.](https://millionrounds.com/company/dcbel) dcbel is an AI-driven sustainable energy technology company based in Montreal, Quebec, Canada. *Founded* 2015 Montreal, Canada **$55M** last round Sept 2025
- 4 [**Cool Earth Solar** Cool Earth Solar is a renewable energy company founded in 2006, specializing in solar power and energy storage systems.](https://millionrounds.com/company/cool-earth-solar) Cool Earth Solar is a renewable energy company founded in 2006, specializing in solar power and energy storage systems. *Founded* 2007 Stockton, United States **$23M** last round Feb 2008
- 5 [**Barrio Eléctrico** Barrio Eléctrico offers residential solar-plus-storage leases, relying on community engagement to support the systems.](https://millionrounds.com/company/barrio-electrico) Barrio Eléctrico offers residential solar-plus-storage leases, relying on community engagement to support the systems. *Founded* - San Juan, Puerto Rico **$21M** last round Sept 2024
- 6 [**Elevation** Elevation is a provider of residential solar, storage, energy efficiency, and energy intelligence technology.](https://millionrounds.com/company/elevation) Elevation is a provider of residential solar, storage, energy efficiency, and energy intelligence technology. *Founded* 2014 Chandler, United States **$20M** last round Sept 2023
- 7 [**Skysun** Skysun provides solar power solutions for small business, residential, commercial and agriculture sectors.](https://millionrounds.com/company/skysun) Skysun provides solar power solutions for small business, residential, commercial and agriculture sectors. *Founded* 2012 Belgium **$19M** last round Sept 2024
- 8 [**Sparq Systems** Sparq Systems designs and manufactures micro-inverters for the residential solar market.](https://millionrounds.com/company/sparq-systems) Sparq Systems designs and manufactures micro-inverters for the residential solar market. *Founded* 2009 Kingston, Canada **$14M** last round Oct 2014
- 9 [**Otovo** Otovo is a marketplace for distributed energy installation.](https://millionrounds.com/company/otovo) Otovo is a marketplace for distributed energy installation. *Founded* 2016 Oslo, Norway **$10M** last round Oct 2026
- 10 [**Bloo Solar** 3rd Generation – 3 Dimensional Solar In order to become the leading energy source in the world, the cost of renewable energy must be below grid Parity.](https://millionrounds.com/company/bloo-solar) 3rd Generation – 3 Dimensional Solar In order to become the leading energy source in the world, the cost of renewable energy must be below grid Parity. *Founded* 2005 West Sacramento, United States **$10M** last round Dec 2014
- 11 [**Niko Energy** provides residential solar electricity, storage solutions, and clean energy services to homeowners](https://millionrounds.com/company/niko-energy) provides residential solar electricity, storage solutions, and clean energy services to homeowners *Founded* 2013 Mexico City, Mexico **$8.0M** last round Feb 2025
- 12 [**SolarGreen** Solargreen is a solatube dealer that offers solar solutions for residential and commercial needs.](https://millionrounds.com/company/solargreen) Solargreen is a solatube dealer that offers solar solutions for residential and commercial needs. *Founded* 2019 Englewood, Canada **$7.7M** last round Jan 2013
- 13 [**SOLIVUS** SOLIVUS, based in London, is a UK-based renewable energy startup founded in 2016.](https://millionrounds.com/company/solivus) SOLIVUS, based in London, is a UK-based renewable energy startup founded in 2016. *Founded* 2016 London, United Kingdom **$7.1M** last round Nov 2025
- 14 [**Lyra** Lyra Solar Quickly and easily create permit-ready residential solar designs for free.](https://millionrounds.com/company/lyra) Lyra Solar Quickly and easily create permit-ready residential solar designs for free. *Founded* 2012 United States **$6.0M** last round Jul 2025
- 15 [**ALVA Energie** ALVA Energie is a Berlin-based company founded in 2024 that specializes in decentralized energy solutions.](https://millionrounds.com/company/alva-energie) ALVA Energie is a Berlin-based company founded in 2024 that specializes in decentralized energy solutions. *Founded* 2024 Berlin, Germany **$5.8M** last round Jul 2025
- 16 [**One Block Off the Grid (1BOG)** One Block Off the Grid, a residential solar consultant, provides homeowners the option of comparing quotes from leading solar providers.](https://millionrounds.com/company/one-block-off-the-grid-1bog) One Block Off the Grid, a residential solar consultant, provides homeowners the option of comparing quotes from leading solar providers. *Founded* 2008 United States **$5.0M** last round Feb 2010
- 17 [**Evelar Solar** Evelar Solar is a renewable energy company based in Lehi, Utah, specializing in solar energy solutions.](https://millionrounds.com/company/evelar-solar) Evelar Solar is a renewable energy company based in Lehi, Utah, specializing in solar energy solutions. *Founded* 2013 Lehi, United States **$5.0M** last round Feb 2018
- 18 [**Momentum Solar** Momentum Solar is a leading residential solar provider based in South Plainfield, New Jersey.](https://millionrounds.com/company/momentum-solar) Momentum Solar is a leading residential solar provider based in South Plainfield, New Jersey. *Founded* 2009 South Plainfield, United States **$4.1M** last round Nov 2018
- 19 [**SolarAPP+** SolarAPP+ automates plan review and issues instant permits for residential solar and storage systems through a web-based platform.](https://millionrounds.com/company/solarapp) SolarAPP+ automates plan review and issues instant permits for residential solar and storage systems through a web-based platform. *Founded* - Washington, United States **$4.0M** last round Oct 2025
- 20 [**VREY** VREY, operated by RE Joule GmbH, is a German company focused on providing communal building energy solutions.](https://millionrounds.com/company/vrey) VREY, operated by RE Joule GmbH, is a German company focused on providing communal building energy solutions. *Founded* - Berlin, Germany **$3.9M** last round Apr 2026
- 21 [**SolarHome** SolarHome is a utility firm that provides solar energy and appliance units installation services for residential and commercial sectors.](https://millionrounds.com/company/solarhome) SolarHome is a utility firm that provides solar energy and appliance units installation services for residential and commercial sectors. *Founded* 2016 Singapore, Singapore **$2.0M** last round Dec 2020
- 22 [**Recheck** Recheck is a verification platform based in Hanover, New Hampshire, founded in 2023.](https://millionrounds.com/company/recheck) Recheck is a verification platform based in Hanover, New Hampshire, founded in 2023. *Founded* 2016 Heerlen, United States **$2.0M** last round May 2026
- 23 [**Powur, PBC** Powur, PBC is a 100% virtual residential solar energy company based in the Greater San Diego Area, California.](https://millionrounds.com/company/powur-pbc) Powur, PBC is a 100% virtual residential solar energy company based in the Greater San Diego Area, California. *Founded* 2014 San Diego, United States **$750K** last round Mar 2015
- 24 [**Lumo Energy** Lumo Energy Limited is a UK-based energy optimisation company focused on enhancing the value of residential solar, battery, EV charger, and heat pump systems.](https://millionrounds.com/company/lumo-energy) Lumo Energy Limited is a UK-based energy optimisation company focused on enhancing the value of residential solar, battery, EV charger, and heat pump systems. *Founded* 2023 Cambridge, United Kingdom **$712K** last round Apr 2025
- 25 [**Robinsun** Robinsun is a European solar technology company founded in 2023 and based in Madrid/Alcobendas, Spain.](https://millionrounds.com/company/robinsun) Robinsun is a European solar technology company founded in 2023 and based in Madrid/Alcobendas, Spain. *Founded* 2023 Madrid, Spain **$624K** last round Jan 2025
- 26 [**Solho** SOLHO is a high-tech company specializing in the design, construction, and management of solar thermal and photovoltaic systems.](https://millionrounds.com/company/solho) SOLHO is a high-tech company specializing in the design, construction, and management of solar thermal and photovoltaic systems. *Founded* 2017 Rome, Netherlands **$622K** last round Mar 2023
- 27 [**RUUF** RUUF is a Chilean renewable energy startup based in Santiago, specializing in residential solar energy solutions for Latin America.](https://millionrounds.com/company/ruuf) RUUF is a Chilean renewable energy startup based in Santiago, specializing in residential solar energy solutions for Latin America. *Founded* 2022 Santiago, Türkiye **$500K** last round Apr 2023
- 28 [**Energia Futura** Energia Futura is a Lithuanian solar energy company founded in 2016.](https://millionrounds.com/company/energia-futura) Energia Futura is a Lithuanian solar energy company founded in 2016. *Founded* 2016 Kaunas, Lithuania **$340K** last round Dec 2021
- 29 [**Eolic Wall** Eolic Wall is a deep tech, climate tech startup backed by Techstars and Third Derivative, aiming to decentralize access to wind energy for industrial, commercia](https://millionrounds.com/company/eolic-wall) Eolic Wall is a deep tech, climate tech startup backed by Techstars and Third Derivative, aiming to decentralize access to wind energy for industrial, commercia *Founded* 2023 Bilbao, United States **$320K** last round Apr 2026
- 30 [**Relay Power** Relay Power is a privately held company founded in 2016 and based in Hudson, MA.](https://millionrounds.com/company/relay-power) Relay Power is a privately held company founded in 2016 and based in Hudson, MA. *Founded* 2016 Hudson, United States **$250K** last round Nov 2021
- 31 [**Project Solar** Project Solar is a residential solar provider founded in 2020, with its concept originating in 2016.](https://millionrounds.com/company/project-solar) Project Solar is a residential solar provider founded in 2020, with its concept originating in 2016. *Founded* 2020 Orem, United States **$250K** last round Jun 2023

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose own description names this theme, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

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## More lists worldwide

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

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