Fourth of July app guides spectators through nine-hour air show from NASA jets to B-1 bombers

A new app lets spectators track the "Freedom 250" flyover schedule in real-time, from the Blue Angels to the F-22 Raptor afterburner display.

Largest U.S. power grid PJM escalates emergency actions to avoid blackouts

PJM ​said ​it was ​under a federal alert to cut electricity consumption. It serves 67 million people ⁠in the Mid-Atlantic, South and Washington, D.C., area.

Heatwave upends Fourth of July events across US, strains power grids

A dangerous heatwave upended Fourth of July celebrations across swathes of the central and eastern United States on Friday, forcing officials in the nation’s capital and elsewhere to cancel or postpone dozens of parades, concerts and fireworks displays. Among the events disrupted by the sweltering heat was the Great American State Fair on the National Mall in Washington, a centrepiece of President Donald ‌Trump’s efforts to mark the nation’s 250th birthday. The fair, designed to showcase all ...

By Reuters

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It's Fourth of July weekend.

US heat wave pushes power demand, triggers emergency electricity curbs and July 4 event disruptions

A severe heatwave gripping the eastern US has pushed electricity demand to near-record highs, forcing PJM Interconnection, the nation's largest power grid operator, to implement emergency measures. With generator issues and soaring air-conditioning needs, the grid is under immense strain, prompting calls for reduced consumption to avert blackouts. This extreme weather is also impacting July 4th celebrations and causing significant spikes in wholesale electricity prices.

By TOI World Desk

Why is PJM asking millions to cut electricity use? US power grid faces emergency

PJM has issued an emergency alert as extreme heat, generator outages and overloaded power lines strain the US grid, sending electricity prices soaring.