At 85°C, you can store around 10kWh of solar energy in an average sized water heater. This cut the power bill for my small house about in half. Fun project, I

At 85°C, you can store around 10kWh of solar energy in an average sized water heater. This cut the power bill for my small house about in half. Fun project, I ended up making a simulator app with fancy graphs and stuff. https://www.pvh2o.com/ https://www.pvh2o.com/