Largest US electric grid ramps up warnings amid hot temperatures

PJM issued multiple warnings as extreme temperatures drove higher transmission-line congestion, which in turn lifted wholesale electricity spot prices. The update signals near-term reliability and power-cost pressure for load-serving utilities and power consumers, with potential volatility in power markets if congestion persists.

Analysis

PJM issued multiple warnings as extreme temperatures drove higher transmission-line congestion, which in turn lifted wholesale electricity spot prices. The update signals near-term reliability and power-cost pressure for load-serving utilities and power consumers, with potential volatility in power markets if congestion persists.