+shinegull: Yes, I have. Getting the upgrade that sells power according to power capacity allows you to idle. I like put out as much power as I can sell per tick, and wait and you can idle. This works best when you have the cells automatically replaced.
If you look at the high scores for faction coins, they are obviously hacking/cheating. No way all the top people have the exact same number of faction coins.
More energy then :P