Since generators are out and it's down to windmills, water-mills, and solar panels for providing luminators power via tin I wanted to investigate how difficult each would be. Solar's I already know -quite- well.
Water mills... I'm not sure if I'm doing right.
I built a 9x9 pen out of glass, 8 water around the top, mill in the middle; one tin wire, one batbox, one copper wire, one luminator. Yet the water-mill; despite being surrounded by 25 blocks of water, only seems to produce around 0.2 eU/t of power.
Even when it had a full charge while building; the thing only seemed to catch zombies on fire /in the same square/ as the light?
Are these even effective?