Sector portfolio · VC firm · United States

Khosla Ventures' Energy portfolio

Khosla Ventures has backed 17 Energy startups in rounds we track, $3.1B between them, shown by the stage each has reached. The best-funded is Sunedison.

17startups backed
4stages
$3.1Braised between them
Stage not reportedbiggest stage

Khosla Ventures's whole portfolioKhosla Ventures's profile

Stage not reported

7

Series C and later

5

Growth

3

Series A

2

Segment by segment

Stage not reported

7 startups · $565M raised

  1. SSesSES offers tools, knowledge and materials that help divorced parents deal with their challenges.United States$288M
  2. BBOXXBboxx manufactures plug and play solar systems.United Kingdom$167M
  3. Natron EnergyNatron Energy is an energy storage company that develops sodium ion battery solutions leveraging Prussian Blue electrode materials.United States$55M
  4. Sonocharge EnergySonocharge Energy develops a technology that enables batteries to charge.United States$24M
  5. Realta FusionRealta Fusion develops fusion energy technology for the production of industrial heat and power.United States$19M
  6. AmbriAmbri is an American startup focused on long-duration grid-scale energy storage using its proprietary Liquid MetalTM battery technology.United States$11M
  7. SolumSolum manufactures and delivers advanced digital labeling solutions and other electronic products to businesses.Spain$1.1M

Series C and later

5 startups · $897M raised

  1. GEGreatPoint EnergyGreatPoint Energy is a technology-driven natural resources company.United States$562M
  2. LanzaTechLanzaTech reduces emissions and makes new products for a circular carbon economy.United States$206M
  3. VarentecVarentec is a provider of power electronics-based Smart Grid control solutions for municipal, cooperatives and investor-owned utilities.United States$55M
  4. LightSail EnergyLightSail Energy develops energy storage systems.United States$43M
  5. Firefly EnergyFirefly Energy is a developer of lead-acid battery technologies.United States$31M

Growth

3 startups · $1.6B raised

  1. SSunEdisonSunEdison is the largest global renewable energy development company.United States$1.1B
  2. KiorAt home Medical Grade Laser Hair Removal Machine.United States$299M
  3. Mainspring EnergyMainspring Energy is a power generation company based in Menlo Park, California, founded in 2010.United States$258M

Series A

2 startups · $52M raised

  1. RedoxBloxRedoxBlox is a post-Series A startup based in San Diego, California, focused on transforming the energy sector with its innovativeUnited States$40M
  2. CaeluxCaelux® is a renewable energy semiconductor manufacturer based in Baldwin Park, California.United States$12M

How this map is made. Every startup here works in Energy and has raised money in a round we track that names Khosla Ventures as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.

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