Market map · United States

Solar market map: United States

158 solar startups based in the United States that have raised money in rounds we track, placed in 6 segments by what each says it does. Together they have raised $21B; the biggest segment is panels and modules.

158startups on the map
6segments
$21Braised between them
Utility-scale projectsmost funded segment

Panels and modules

52

+28 more

Home and rooftop solar

38

+14 more

Utility-scale projects

33

+9 more

Solar software and finance

20

Next-generation cells

11

Off-grid and emerging markets

4

Segment by segment

Panels and modules

52 startups · $2.3B raised

  1. Silicor MaterialsSilicor Materials engages in manufacturing and supplying polysilicon for solar cell production.United States$345M
  2. SunivaSuniva develops, manufactures and markets PV solar cells for clean, earth-friendly power generation.United States$231M
  3. SSolexelSOLEXEL operates as a solar photovoltaic technology company.United States$224M
  4. SolFocusSolFocus, Inc.United States$211M
  5. eSolarEsolar is an online shop for solar water heaters, electric water heaters glass, electric boiler glass, air conditioners and solar panels.United States$192M
  6. KTKonarka TechnologiesKonarka Technologies develops nano-enabled polymer photovoltaic materials for commercial, industrial and consumer applications.United States$152M
  7. Tigo EnergyTigo Energy, the worldwide leader in Flex MLPE (Module Level Power Electronics), designs innovative solar power conversion and stoUnited States$103M
  8. 1366 Technologies1366 Technologies is a manufacturer of silicon wafers used to deliver solar modules.United States$89M

Home and rooftop solar

38 startups · $6.0B raised

  1. SolyndraSolyndra is a solar technology company based in Fremont, California.United States$1.8B
  2. Solar LandscapeSolar Landscape is an installer and operator of solar energy systems.United States$900M
  3. Maxwell PowerMaxwell Power is a renewable energy company that installs solar panels.United States$750M
  4. Sunlight FinancialSunlight Financial is a technology-enabled point-of-sale financing company based in Charlotte, North Carolina.United States$730M
  5. Greenvolt PowerGreenvolt Power is a renewable energy platform that develops and operates onshore Wind and photovoltaic installations.United States$411M
  6. PosiGenPosiGen is on a mission to make solar affordable and easy to access for homeowners.United States$320M
  7. Summit Ridge EnergySummit Ridge Energy offers solar, battery storage project acquisition, project development, construction, land and rooftop leasing services.United States$290M
  8. SungevitySungevity specializes in the design, installation, financing, and maintenance of home solar systems, proving that going solar is aUnited States$246M

Utility-scale projects

33 startups · $11B raised

  1. Atlas Renewable EnergyAtlas Renewable Energy is a renewable energy company that develops, builds, and operates solar and wind projects.United States$3.1B
  2. CleneraClenera is a privately-held renewable energy company acquires, develops, builds and manages utility-scale solar farms and energy storage.United States$2.9B
  3. AvantusAvantus develops large-scale solar and solar-plus-storage projects to drive the adoption of zero-emission energy.United States$800M
  4. Primergy SolarPrimergy Solar is a developer, owner and operator focused on both distributed and utility scale solar PV and battery storage projects.United States$760M
  5. Lydian EnergyLydian Energy is a independent power producer specializing in the development, construction, and operation of utility-scale solar.United States$689M
  6. Pivot EnergyPivot Energy is a national renewable energy provider that develops, finances, builds, owns, and manages solar and energy storage projects.United States$500M
  7. Agilitas EnergyAgilitas Energy is a fully integrated developer, builder, owner, and operator of distributed solar and energy-storage systems.United States$350M
  8. Strata Clean EnergyStrata Clean Energy is a solar storage developer.United States$300M

Solar software and finance

20 startups · $600M raised

  1. Nexus Renewable PowerNexus develops, finances, and operates solar and energy storage assets.United States$220M
  2. Spruce FinanceSpruce Power owner and operator of distributed solar energy assets across the United States.United States$180M
  3. Tioga EnergyTioga Energy was a renewable energy company based in San Francisco, specializing in solar power purchase agreements, particularly United States$45M
  4. SopogySopogy was acquired by Hitachi.United States$34M
  5. Complete SolarComplete Solar Solution offers a wide range of solar products and financing programs to help consumers reduce their electricity bills.United States$24M
  6. Coast EnergyCoast Energy is a commercial and industrial solar energy firm based in El Segundo, California.United States$21M
  7. DrakerDraker offers monitoring, management and control solutions for commercial and utility solar energy systems.United States$19M
  8. Ivy EnergyIvy Energy is a Cleantech brand and multifamily solar billing software platform based in San Diego, California.United States$18M

Next-generation cells

11 startups · $1.3B raised

  1. Abound SolarAbound Solar was a thin-film solar module manufacturer based in Loveland, Colorado.United States$510M
  2. SoloPowerSoloPower is a producer of thin-film photovoltaic cells and modules that help solar electricity generation.United States$458M
  3. HHelioVoltHelioVolt Corporation manufactures thin-film solar modules for commercial rooftop.United States$253M
  4. CubicPVCubicPV is a solar manufacturing company that produces wafers and tandem modules.United States$33M
  5. AAmpulseAmpulse develops and manufactures crystalline-silicon thin-film technology based solar cell solutions.United States$16M
  6. CaeluxCaelux® is a renewable energy semiconductor manufacturer based in Baldwin Park, California.United States$12M
  7. Tandem PVTandem PV provides a unique opportunity for solar to reach new heights.United States$12M
  8. Active SurfacesActive Surfaces is a solar technology startup founded in 2022, focusing on developing ultra-thin, flexible solar panels made from United States$5.6M

Off-grid and emerging markets

4 startups · $101M raised

  1. d.lightd.light designs, manufactures, and distributes solar lighting and power products, particularly targeting off-grid communities.United States$82M
  2. Greenlight PlanetGreenlight Planet is a for-profit social business based in Chicago, Illinois, founded in 2009.United States$14M
  3. Amped InnovationAmped Innovation is a designer and manufacturer of high-performance off-grid, solar-powered appliances.United States$4.0M
  4. GoSunGoSun is a solar technology company based in Cincinnati, Ohio, founded in 2016.United States$1.3M

How this map is made. Every startup here has raised money in rounds we track, and is based in United States. It joins the map when its sectors, read from its rounds, or the opening of its own description say it works in solar, and goes to the first segment whose words it carries. Each segment shows its best-funded first. Rebuilt nightly; updated 15 November 2026.

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