Thirty states have adopted renewable portfolio standards (RPSs) that set targets for renewable energy generation by mandating electric power utilities obtain a minimum percentage of their power from renewable sources. To date, there have been a number of studies that have consistently found that...

Thirty states have adopted renewable portfolio standards (RPSs) that set targets for renewable energy generation by mandating that electric power utilities obtain a minimum percentage of their power from renewable sources. Our synthetic control model finds that states with RPSs experience...