North American wholesale power markets entered the final week of June with a distinctly summer reliability profile: higher temperatures, elevated cooling load, tighter focus on resource adequacy, and renewed scrutiny of interconnection and transmission processes. Price behavior was uneven across regions, but the clearest volatility occurred in markets exposed to heat-driven peak demand and congestion. PJM saw real-time prices rise materially during the June 24-25 operating period, with public market dashboards showing system prices above $500/MWh during periods of stress. ISO New England, NYISO, IESO, and MISO also operated amid tightening summer conditions, though available official information generally indicated managed operations rather than an emergency market failure.