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SolarCity’s new battery system might help solar become a significant source of electricity.
Eos Energy Storage says its zinc-air battery can store energy to meet peak power needs for less.
ArrayPower says its “sequenced inverter” will cut the cost of solar by more than 10 percent.
The company hopes to develop powerful, lightweight lithium-air batteries.
Cisco’s Padmasree Warrior tells us what role a U.S CTO should play.
But some consumers, concerned about rising prices and privacy, would rather their electricity meters stayed dumb.
A startup says its compressed-air technology could do a better job of storing the power generated by wind turbines.
Ultracapacitors that store more could help the grid run smoothly.