The second wave of government smart-grid funding totals $620 million to install network-savvy grid equipment and to test utility-scale storage.
Aquion Energy wins venture capital investments for grid-scale storage and has plans for a U.S. factory.
Looking for a beachhead in the fledgling grid storage business, electric carmaker Coda opens a business unit to build battery systems for the grid.
Start-up pulls in nearly $30 million to go after the utility market with large-scale systems that make wind and solar power more reliable suppliers of electricity to the grid.
Beacon Power, which received a $43 million DOE loan guarantee from the same program that Solyndra did, is bankrupt after running out of money.
The latest smart-grid programs give alternative storage technologies--including compressed air, flow batteries, and flywheels--a shot at proving themselves at utility scale.
Will energy storage on the power grid be more a giant mainframe computer or a small PC? A U.S. utility company will try small-scale, distributed storage later this year.
Utility-scale storage battery is the answer for Hawaiian solar plant's surges and dips in electricity generation.
Maxwell Technologies will use the money to develop a long-lasting portable energy-storage device for soldiers to charge and manage electronics in the field.
Without energy storage, the grid cannot handle high penetrations of solar and wind, says the DOE's storage research program director.