What they do:
Enabling li-ion batteries to charge ultra fast without compromising…
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Top Energy Storage Startups
This list has 13 startups and was last updated on Oct 15, 2026. 2 of them are hiring right now. Biggest hubs: San Francisco (6) and Paris (2). Largest teams: GBatteries, Advano, and Prometheus.
13 startups
What they do:
Advano is a battery technology company that improve the longevity of…
Quick facts:
HQ: New Orleans, LA, United States
What they do:
We use solar and wind power to make zero net carbon electrofuels
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HQ: Santa Cruz, CA, United States
What they do:
Decarbonized heat and power cheaper than fossil fuels
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Posh
Hiring
What they do:
Rapidly deployable energy solutions for modern commercial and…
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HQ: San Francisco, CA, United States
Spark
Hiring
What they do:
AI-powered workflows for energy infrastructure
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What they do:
Microgrids in a box built anywhere in days
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HQ: San Francisco, CA, United States
What they do:
Batteries and solar for $0 upfront to help businesses save money
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HQ: San Francisco, CA, United States
What they do:
Distributed energy infrastructure unlocking grid power to data centers
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HQ: London, United Kingdom
inBalance
Acquired
What they do:
Electricity price forecasts for energy storage, ev charging, etc.
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HQ: San Francisco, CA, United States
Moxion Power Co.
Shut down
What they do:
Mobile Energy Storage Technology
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HQ: San Francisco, CA, United States
OneKey
Shut down
What they do:
Find the most profitable sites to build EV charging station
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Phoenix Hydrogen
Shut down
What they do:
First commodity marketplace for hydrogen.
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HQ: San Francisco, CA, United States
Questions and answers
How many startups are on this list?
There are 13 startups on this list, last updated on Oct 15, 2026.
Which of them are hiring?
2 of them are hiring right now, including Posh and Spark.
Which of them have the largest teams?
By team size: GBatteries (25 employees), Advano (25 employees), and Prometheus (25 employees).
Where are they based?
The biggest hubs are San Francisco (6) and Paris (2).