For those with a balcony or patio or window with great sun exposure, providing light for your plants isn't an issue, except in the short days of winter. (treehugger.com)
Furthermore, I believe it is extremely likely that vitamin D3 sulfate is not the only thing that's affected by greater sun exposure, and maybe not even the most important thing. (westonaprice.org)
SCE make their customers switch to time of use billing before installing solar under the new NEM - 2 rules reducing net metering returns by about 10 % however, with great sun exposure in Palmdale net metering still remains very profitable. (solar-estimate.org)