What type of governmental policy is used to mandate that utilities source a certain fraction of their power from renewables?

Answer

Renewable Portfolio Standards (RPS).

Renewable Portfolio Standards are policy measures that compel utilities to obtain a specific percentage of their total power supply from renewable sources, with these mandated percentages varying by jurisdiction.

What type of governmental policy is used to mandate that utilities source a certain fraction of their power from renewables?
Sourceenergyrenewablenonrenewable