First Tesla Whole-House Solar Battery Installed, But Solar Storage's Future is Still a Crap Shoot

With a sleek design that could have emerged from Apple, the new battery has spurred mixed reactions, and it's facing competition in the U.S.
May 10, 2016 7:30 AM ET

The lack of a reliable, efficient storage system has held residential solar back for a long time. The solar industry has managed to grow despite this, thanks in large part to feed-in tariffs (net metering in th U.S.).

Tesla is pushing ahead with its much publicized plan to make home storage of power much more turnkey and reliable than has been the case in the past. The photo shows their first UK installation of the new Powerwall battery.

Tesla, in a sense, is betting on the sloppy politics of net metering, especially in the U.S., where utilities are fighting to keep solar from cutting into their profits, although that assessment is hotly contested.

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