Koch-funded IER says Tesla Powerwall’s payback period is 38 years Posted byDaniel LinJanuary 18, 2016Posted inNews http://www.autoblog.com/2016/01/18/tesla-powerwalls-payback-period-likely-longer-than-its-life/ Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Like Loading... Related