sites not to miss:
National Council for Solar Growth ThisIS
a non profit group with a mission to educate homeowners and businesses
about the economic and environmental benefits of PV solar.
Small solar electric systems
from the Department of Energy's Energy Efficiency and
Renewable Energy (EERE) office.
Real time monitoring software demo
(This is geothermal, not solar.) This is pretty neat;
it's the software display for a homeowners heating and cooling
system. It updates every minute. While this is for geothermal,
in a general sense, it's the type of monitoring display you
can get for a solar water heating or solar electric system. You could see what your system was doing, and
control it from anywhere over an internet connection. click
the above link to see the live data.