WIRED is raising very valid points about the new Tesla Energy proposition. Most of these questions will be answered with Tesla Gigafactory coming on-line and dropping price for Powerwall. Combined package with SolarCity installation and financing will bring the most attractive economic benefits.
Now it is time to study the numbers behind Elon Musk's vision and draw some conclusions for the outcome for our industry. We are entering the very exciting stage for the mass market in electric cars and Solar Power to charge them!