Tesla's New Battery Doesn't Work That Well With Solar - Bloomberg Business

Perhaps more of a bright vision than a near-term solution?

"Here’s where things get interesting. SolarCity, with Musk as its chairman, has decided not to install the 7kWh Powerwall that’s optimized for daily use. Bass said that battery "doesn't really make financial sense" because of regulations that allow most U.S. solar customers to sell extra electricity back to the grid.1
For customers of SolarCity, the biggest U.S. rooftop installer, the lack of a 7kWh option means that installing a Tesla battery to extend solar power after sunset won't be possible. Want to use Tesla batteries to move completely off the grid? You'll just to have to wait. “Our residential offering is battery backup,” Bass said in an e-mail."

Tesla's New Battery Doesn't Work That Well With Solar - Bloomberg Business