Elon Musk's Tesla Power Wall and German Manufacturers of renewable energy ,battle over battery-powered homes
If Elon Musk's vision of millions of households producing all their own power becomes a reality, it will probably happen first in Germany. But he will face a battle for market share against local firms with years of experience in renewable energy. The South African-born entrepreneur's company Tesla, best known for its electric cars, sparked global interest in the idea of self-powered homes in April, when it said it would start selling lithium-ion batteries for households next year. The batteries, called Powerwalls, connect to solar panels on the roof of a house and aim to store enough power during the day to drive kettles and washing machines at night, raising the prospect that households one day will be able to rely fully on clean energy and become independent of the power grid. There are big challenges. why Tesla PowerWall is a game changer for energy efficient homes. The technology does not yet allow most users to disconnect from the grid - ...