PJM’s Hourly Grid Ratings: A New Era for Power Transmission - Cozzy Energy Solutions PJM, a grid operator, has begun implementing hourly, temperature-adjusted transmission line ratings in accordance with a Federal Energy Regulatory Commission directive. The change, effective March 4, aims to optimize the capacity of existing grid infrastructure. PJM manages electricity flow to remain within established safety limits for equipment like power lines and transformers. Prior to this

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