Tag Archives: learn.pjm.com

Why Does a Transmission Line Get Built?

As part of PJM’s work to ensure the reliability of the electric grid for 61 million people, PJM studies potential reliability issues. After a lot of careful consideration, we can ask for new transmission lines to be built to solve … Continue reading






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How Does PJM Make Money? What Happens When a Power Plant Retires? Two New Learning Center Pages Explain

How does PJM make money? What does PJM do to keep the grid stable when a generator plans to retire? PJM has launched two new pages on the PJM Learning Center at learn.pjm.com to help answer these questions. How Does … Continue reading

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Keeping the Lights On During the Polar Vortex in January 2014

With a hot weather alert in effect this week for the region PJM serves, the frigid temperatures of January seem like a distant memory. However, as PJM learned during the 2014 Polar Vortex, grid operations can be challenging year-round, in … Continue reading






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