You will be able to save a great deal by further investing in a timer for your water heater. Set the timer to turn the grid connected electric water heater element off during the day when solar is heating it. Then set it to come on again late at night so it can recover to a set ...
"There are currently over 90 million water heaters in use within the United States (Zogg and Barbour 1996). The number of installed solar water heaters, by comparison, is less than 1 million due to durability and installation issues, as well asrelatively high initial costs. Durability issues h...
They cost $87 each which, considering the prices I've seen posted here and elsewhere, is a good deal. Lowes had a GE 125A load center for $19, plus $2.95 for an earth strip. Total cost just over $200, including conduit, fittings and cables. Let's hope it all works... P.S. ...