The Chronicle (through May 4, 2015)
ENERGY The biggest energy event in the past 30 days may have been Tesla’s announcement that a small, low-cost, high-storage-capacity solar battery is ready to go into production. The lithium-ion Powerwall, which can capture and store up to 10kWh of energy from a solar panel, is 68cm by 1.3m in size (only a little…
