Market map · United States
Energy storage market map: United States
76 energy storage startups based in the United States that have raised money in rounds we track, placed in 4 segments by what each says it does. Together they have raised $8.8B; the biggest segment is battery storage projects.
Clenera
Primergy Solar
Maxwell Power
NineDot Energy
Goshe Energy Storage
EnerVenue
QuantumScape
Summit Ridge Energy
esVolta
BlueWave
Nexus Renewable Power
Aquion Energy
Plus Power
Pathway Power
Omnidian
Project Omega
Nanotech Energy
Moment Energy
International Battery
Natron Energy- PEPrudent Energy
ElectrIQ Power
Elevate Renewable Energy
Caban Systems
+33 more
Funding by segment
- Battery storage projects$8.3B57
- Thermal storage$425M11
- Storage software$110M5
- Mechanical storage$23M3
Where they are based
- United States76$8.8B
United StatesFounded
8 without a founding year on record.
Total raised
- Under $1M7
- $1M to $10M26
- $10M to $50M15
- $50M to $250M19
- $250M to $1B8
- $1B and over1
Each dot is a startup: the year it was founded across, the total it has raised up (each line is ten times the one below). Pick a segment to pick it out.
67 of 76 startups shown; the rest have no founding year or amount on record.
- 1 to 2
- 3 to 7
- 8 to 24
- 25 to 99
- 100 and more
- United States76
Startups by country, 1 country in all.
Segment by segment
Battery storage projects
57 startups · $8.3B raised
- CleneraClenera is a privately-held renewable energy company acquires, develops, builds and manages utility-scale solar farms and energy storage.United States$2.9B
- 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
- Maxwell PowerMaxwell Power is a renewable energy company that installs solar panels.United States$750M
- NineDot EnergyNineDot Energy develops battery storage sites and other energy solutions.United States$431M
- Goshe Energy StorageGoshe Energy Storage develops, constructs, and manages utility-scale energy storage facilities to promote a sustainable energy future.United States$328M
- EnerVenueEnerVenue is an energy storage infrastructure company based in Fremont, California, founded in 2020.United States$312M
- QuantumScapeQuantumScape develops solid-state lithium-metal batteries for electric vehicles and other energy storage applications.United States$300M
- Summit Ridge EnergySummit Ridge Energy offers solar, battery storage project acquisition, project development, construction, land and rooftop leasing services.United States$290M
Thermal storage
11 startups · $425M raised
SolarReserveSolarReserve, a venture-backed renewable energy company, focuses on advanced solar thermal storage technology.United States$182M
Ice EnergyIce Energy is a clean energy technology company based in Santa Barbara, California, with a distribution center in Costa Mesa.United States$132M
ExowattExowatt is a renewable energy company based in Miami, Florida, founded in 2023.United States$50M
Fourth PowerFourth Power is an innovative energy technology company based in Cambridge, Massachusetts.United States$39M
SunampSunamp is a company that provides industrial and residential heat battery storage systems.United States$8.1M
Cache EnergyCache Energy is a technology startup based in Champaign, Illinois, focused on long-duration energy storage (LDES) and heat electrification.United States$4.0M
Viking Cold SolutionsViking Cold Solutions provides energy management systems and thermal energy storage solutions to help companies achieve energy efficiency.United States$3.6M
Harvest ThermalHarvest Thermal develops a control system for home use that integrates heating, hot water, and cooling with thermal storage.United States$2.0M
Storage software
5 startups · $110M raised
On.EnergyOn.Energy is an energy storage developer that offers analytics and AI-powered energy management software.United States$78M
CPowerCPower is an energy company that specializes in energy storage, clean energy, and peak demand management.United States$28M
Alpha GridAlpha Grid is a software development company based in Palo Alto, California, founded in 2020.United States$2.5M
1Energy Systems1Energy Systems is a provider of software for grid-connected energy storage systems and other electric energy assets.United States$1.4M
GeliGeli provides software and business solutions to design, automate, and manage energy storage systems.United States$995K
Mechanical storage
3 startups · $23M raised
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 energy storage, 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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