PJM Interconnection operates the largest electric grid in the United States, coordinating wholesale electricity for 67 million people across 13 states and DC to ensure power flows reliably and affordably. It evolved from a 1927 power pool to an Independent System Operator in 1997 and became a Federal Energy Regulatory Commission-designated Regional Transmission Organization in 2002, moving from coordination to market making and grid authority with bid-based trading and real-time balancing. Its distinctions include being the first ISO and first RTO, plus its large scale and shift to a first-ready, first-served model to connect new power sources and support renewable energy. The goal is to keep the lights on by balancing generation and consumption and by efficiently integrating new generators into the grid.
Company Size
501-1,000
Company Stage
N/A
Total Funding
N/A
Headquarters
Lower Providence Township, Pennsylvania
Founded
1927
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