Yeah sorry that was supposed to be per hour *doh* It is 25.63 daily
That makes much more sense!

You'd put a bit of a dent on your bills, with a 1.0kW system, but I'm pretty sure you'd still have significant power expenses. You'd probably need something like 3.5kW system to zero your bills, but there's usually a lot you can do to cut usage down as well. Get those quotes and you'll find it all much clearer!