KeepItSimpleStupid
- Joined Mar 4, 2014
- 5,088
Maybe you can set up the extra 2 panels to run a water distillation unit, then sell the water to recover your cost. No need for an inverter, just run DC to a heating element in the boiler.
I was involved in setting up the electronics for a demand side management study. One of the things we looked at was heating water without an inverter. We just replaced one of the electric heating elements in a water heater. A more sensible way would be to pre-heat water. Remotely, we could discharge the tank simulating a shower, dishwasher use or washing. The study was also done in co-operation with the local utility.