Category Archives: Uncategorized

PJM and Members Ready to Meet Summer Demands

PJM issued its annual summer assessment (PDF), which found that PJM will be able meet the hot weather demands the season brings. For this summer, PJM expects to serve about 155,279 megawatts at its peak (for reference, one megawatt is … Continue reading

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Installing Energy Storage at PJM (Video)

Energy storage can provide grid operators a reliable and flexible way to keep power supplies in balance as generation and load change throughout an operating day. PJM has gained experience with storage technology on its campus with a two-megawatt array … Continue reading






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The Interconnection Process: Does PJM ‘Approve’ New Generation?

Every now and then you might read that PJM has “approved” a new generator to be built within the area it serves. We don’t actually “approve” generators, however. Here’s a simple explanation of how PJM’s generation interconnection process works: When … Continue reading

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Total Solar Eclipse Could Challenge European Grid

According to a story published by the Guardian, a solar eclipse on Friday could cause the European power grid to suddenly lose up to 35,000 megawatts of capacity from solar generation.  One megawatt of electricity is enough to power about … Continue reading






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Ancillary Services Keep the Grid Stable

When people think of PJM’s wholesale markets, most often they’re thinking of the energy and capacity markets. PJM’s Energy Market makes sure power is available in real-time and for the upcoming day. PJM’s Capacity Market ensures supplies three years in … Continue reading






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Get the Inside Scoop from PJM Inside Lines

Each week, PJM facilitates multiple meetings, tracks about 30 issues through the stakeholder process, regularly files with the Federal Energy Regulatory Commission and meets with dozens of governmental and regulatory authorities, industry groups, members and peer organizations. As a result, … Continue reading






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PJM Prepped for Presidents Day Weekend Cold

You’ve probably already felt it if you stepped outside today… the region PJM serves is in another spell of extremely cold weather. Electricity demand is expected to rise as the thermometer drops, but PJM does not anticipate problems meeting the … Continue reading






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Sunday’s Big Game First to Be Lit by Energy Efficient LEDs

Here is a bit of interesting info that the U.S. Energy Information Association posted today. According to them, University of Phoenix Stadium, home of Super Bowl XLIX, replaced more than 780 metal halide high-intensity discharge fixtures with 312 highly energy … Continue reading






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PJM Files “Stop-Gap” Proposal for Demand Response Participation in Capacity Market

In the wake of a federal appeals court vacating the Federal Energy Regulatory Commission’s Order 745, the role of demand response in wholesale markets is up in the air. Despite this uncertainty, PJM still has a responsibility to ensure the … Continue reading






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The Polar Vortex, One Year Later

Well here we are again, facing another cold snap. At this time a year ago, the PJM region and the eastern U.S. were in the throes of the bitter cold of the Polar Vortex. On Jan. 7, 2014, the cold … Continue reading






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