PJM is an acronym that stands for "Pennsylvania, Jersey, Maryland" and refers to the regional transmission organization (RTO) responsible for ensuring the reliability and stability of the electric power grid in these three U.S. states. PJM Interconnection, as it is officially known, is the largest RTO in North America.
As a key player in the electric power industry, PJM oversees the transmission and wholesale electricity markets in its designated region. It operates a vast network of transmission lines, substations, and interconnections, enabling the flow of electricity across its footprint. By coordinating and monitoring the operation of the grid, PJM ensures that electricity is reliably delivered to meet the demands of over 65 million customers in its service area.
PJM also operates a centralized wholesale electricity market, where generators can sell their power and customers can purchase electricity. It facilitates the efficient allocation and pricing of electricity, ensuring a competitive marketplace that benefits both buyers and sellers.
Additionally, PJM manages the planning and expansion of the transmission system within its region, ensuring that there is adequate infrastructure to reliably transmit electricity. It collaborates with utilities, grid operators, and other stakeholders to develop long-term strategies and make informed decisions regarding the expansion and upgrade of the transmission grid.
Overall, PJM plays a crucial role in maintaining the stability, reliability, and efficiency of the electric power system in Pennsylvania, Jersey, Maryland, and the surrounding areas served by its interconnected grid.
