- Small solar - costs 46500, claims a hourly income of $18, actually produces about $220 per month, meaning it will take 18 years to payback
- Large solar - costs 93500, claims a hourly income of $33, actually produces about $340 per month, meaning it will take 23 years to payback
- Small wind - costs 187500, claims a hourly income of $82, actually produces about $635 per month, meaning it will take 25 years to payback
- Medium wind - costs 375000 claims a hourly income of $162, actually produces about $1330 per month, meaning it will take 23 years to payback
- Large wind - costs 750000, claims a hourly income of $325, actually produces about $2375 per month, meaning it will take 26 years to payback
By comparison, a large greenhouse auto selling lettuce WITH the cost of the water trailer included pays back in 2 years.
Anything with longer than a 5 year payback (trees) is a waste of time.