Can the US government stop utilities from attempting to kill solar in Montana?

In the years since its passage, Section 210 of the Public Utility
Regulatory Policies Act (PURPA) has provided one of the few options
for small producers of renewable energy to access electric
generation markets controlled by monopoly utilities. The law
requires a monopoly utility to purchase the output of certain small
power producers known as “qualifying facilities” (QFs) at the
utility’s “avoided cost”—that is, the cost the utility
would incur to generate or purchase power in the absence of the
purchase from the QF.
Source: FS – Ecology! 7
Can the US government stop utilities from attempting to kill solar in Montana?