As momentum builds for clean energy, the Western states are leading by example. From California to Colorado, Washington to New Mexico, states have set ambitious goals, and are now starting to figure out how to meet them. Suddenly, the notion of a regional power grid, instead of the electric power system managed state by state, has growing appeal in the independent-minded West. Could regionalizing the grid help these states reach their goals? And if so, what would a regional power market look like? AEE has put forward some principles to contribute to the conversation.