By Andy Colthorpe
Leading US firms SolarCity and SunPower have taken an early position in the fledgling residential energy storage market. Andy Colthorpe investigates how their involvement could shape their own fortunes and that of storage itself.
By Andy Colthorpe
Leading US firms SolarCity and SunPower have taken an early position in the fledgling residential energy storage market. Andy Colthorpe investigates how their involvement could shape their own fortunes and that of storage itself.