Then I reset the little solar array I made up out of odds and ends, it feeds the same battery based OUTBACK grid tied inverter the hydro does. When I was off grid and needed every single watt, I made my mounts adjustable, like these. But once I got into the grid tied larger arrays, 10' x 20', and solar panels got a lot cheaper, I just weld them permanent to 45 degrees and forget about it. The steep slope helps snow slide off, but really, once the sun comes out it slides off at a 45 angle it just takes a bit longer.
I just shut down the micro hydro system for the winter. I have found I can run it until the first single digit temps, then it's real risky, suffering a freeze up is something I only want to do once. The first and time time it cracked the cast aluminum base. Running it below freezing is fine, just not TOO much below. The water flow gets so low anyway, it's not worth even considering trying to make a 12 month a year operation. This winter I will change out the bearings, less then 20 bucks and about 30 minutes time. Also, I see the condenser needs replacing. Next spring, one the runoff starts, about March, it will take about 15 minutes to put it back in operation. I probably spend less then 2 or 3 hours a year in total on doing stuff with my solar, wind, and hydro setups. A pretty good deal for free electricity year round! I just bought a 240 wall mount 4,000 watt heater for the shop, to augment the solar heated radiant floor heat system. With over 12,000 KW credit with my utility, I need to use some of it up, so what the hell.