At current electricity prices, Yoda would be worth about $2/hour.

Eine wirklich wichtige Frage! Sehr netter Wissenschafts-comic.

How much Force power can Yoda output?

und weiter:

So Yoda sounds like our best bet as an energy source. But with world electricity consumption pushing 2 terawatts, it would take a hundred million Yodas to meet our demands. All things considered, switching to Yoda Power probably isn’t worth the trouble—though it would definitely be green.