By Kennedy Maize New controversies have added to the swirl surrounding the nation’s oldest and largest regional independent operator of the high-voltage electric transmission system, the PJM Interconnection. PJM controls high-voltage electric transmission in 13 largely mid-Atlantic states and the District of Columbia, a total of about 67 million customers. The RTO’s most recent capacity … More FERC slams PJM emergency auction; PJM committee shuts out states