Energy Storage Startups to Watch

Gigaom has identified 12 battery technology and energy storage service startups that have completed sizable demonstration projects or started to deploy their energy storage systems more widely:

1. Aquion Energy: This Pennsylvania-based startup has secured a deal to install a 1 MWh battery that will store electricity from a 176 kW solar energy system off Hawaii's Kona Coast.
2. Stem: The California company will use some of the $27 million series B funding it recently raised to develop, license or buy software technology to boost its energy management service.
3. EnerVault: Last year, the company completed a 1 MWh flow battery system at an almond farm in California’s Central Valley.
4. Sunverge Energy: The battery system designer and installer teamed up with SunPower last year. The two companies are co-marketing their solar-and-battery combination for a commercial rollout this year.
5. Ice Energy: The company recently won a deal to supply Southern California Edison with 25.6 MW of service from Ice Energy systems across different locations.
6. Advanced Microgrid Solutions: This project developer was selected by Southern California Edison to provide 50 MW of services.
7. Coda Energy: The lithium-ion battery systems designer and electronics and software developer is working on a 510 kW demonstration project at its headquarters, which could deliver 1.05 MWh of energy.
8. Imergy Power Systems: The flow battery developer announced a 100 kW demonstration project that will deliver 400 kWh of energy at a microgrid project at a US Navy site in Port Hueneme, California.
9. Growing Energy Labs: This startup has developed an operating system to make battery systems work well with solar panels or heating and cooling systems.
10. Green Charge Networks: As of a year ago, Green Charge had lined up $10 million for financing projects that use its software to manage its lithium-ion battery systems.
11. Ambri: The liquid metal battery developer raised a $35 million series C round last year to bring its technology to market. The company plans to install prototype systems this year.
12. Solar Grid Storage: This project developer sells and installs a bundle of battery systems with solar panels and electric car charging equipment. The company’s projects are mostly on the East Coast.

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