On Monday, the Midwest power grid operator approved a $10.3 billion proposal to expand power transmission and ease congestion on the grid across nine states, while also clearing away for vast amounts of new clean energy to be built. POLITICO’s Catherine Morehouse breaks down the details of the proposal, how Midwest state regulators and utilities are reacting, and what this investment means for the rest of the nation’s power grid.   Catherine Morehouse is an energy reporter for POLITICO.Josh Siegel is an energy reporter for POLITICO.Nirmal Mulaikal is a POLITICO audio host-producer.Raghu Manavalan is a senior editor for POLITICO audio.Jenny Ament is the executive producer of POLITICO’s audio department.  Learn more about your ad choices. Visit megaphone.fm/adchoices