Chewy and accurate article about future solar:
@BillySmith I was wondering about using some of my excess power to heat water rather than using gas. Not worked out the economics and need to automate it
There are solar heating panels that can do this.
Also wind turbines for generating heat:
https://solar.lowtechmagazine.com/2019/02/heat-your-house-with-a-mechanical-windmill/
:D
@BillySmith A turbine is not too viable for us. I can just switch on the immersion heater when I have spare capacity. A solar thermal panel would be more efficient, but adds more hardware.