AlastairW 15 Posted October 25, 2016 Share Posted October 25, 2016 Hot water heating as a dump load for solar or wind generation has been in use for some time. Great way of using surplus energy. Might need some additional control circuitry, how much would depend on your controller / inverter. Haven't done the sums on it, but with the present cost of PV panels from good suppliers, you could be looking at lower cost than an off the shelf solar water heating system. PV pricing is now less than a quarter of what it was six years ago. Quote Link to post Share on other sites
DrWatson 380 Posted October 25, 2016 Share Posted October 25, 2016 yeah if the solar system doesn't work out we'll ditch it and just install more PV. Then take the tubes down the paddock to the hot tub Quote Link to post Share on other sites
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