It's actually interesting, but PV batteries are getting so good some utilities are disallowing systems which feedback energy into the grid via these batteries because homeowners are actually arbitraging. They're actually charging their batteries off the grid and then selling back into it when prices are higher.
On Wed, Dec 11, 2013 at 6:24 PM, Jed Rothwell <[email protected]> wrote: > There is a lot to be said for PV solar, but it cannot meet 100% of our > energy needs unless an improved battery comes along. Because the sun goes > away at night. > > It can meet a large fraction of our needs, especially in places such as > Nevada, where peak demand occurs when the sun is brightest and air > conditioning is needed. > > Solar water heating is a neglected resource. It should be more common in > Florida and the Southwest. It is very common in Japan. I think it is common > in Australia these days. > > - Jed > >
