Guest column: NorthWestern Energy is slacking

California just made history by passing legislation to increase the amount of renewable resources powering that state to 50 percent by 2030. So why is NorthWestern Energy’s CEO Bob Rowe lamenting that America’s (EPA) Clean Power Plan is a “steep cliff?” It requires Montana to reduce CO2 levels from fossil fuel power generation 47 percent by 2030.

NorthWestern already produces “nearly 60 percent” of its power from “carbon free” wind and hydroelectric generators. Therefore, it shouldn’t be difficult to reduce the remaining 40 percent of fossil fuel generated power by half....