It's hard to argue too much with heat pumps: they're amazingly efficient systems compared to what they replaced. Our electricity bill dropped by more than a third when we got rid of our old… (View Post)

Yes. (View Post)

That's very funny. Not 100% accurate (still 90+% accurate). But very funny. (View Post)

Because high and low tide are at different times around the country, you can produce something that provides something approaching 24 hour power supply if you build between 4 and 6 tidal barrages. (I… (View Post)

Lots of things are only used seasonally, and that's fine. We just need to remember to make sure we have enough storage to cover us for -say- a three month period when solar and wind generation i… (View Post)