Solar hot water systems make sense in upstate New York, where they can provide at least 50% to 60% of your hot water needs.
Combined Electric and Hot Water Installation
Combined residential installation, near Ithaca, NY, featuring both solar flatplate collector water heating panels (center; above chimney) and pholtovoltaic panels for electricity.
Combined Electric and Hot Water Installation
Another residential installation, also near Ithaca, using pholtovoltaic panels along with an evacuated tube hot water heating unit (upper left).