- Largest US power grid PJM orders emergency curbs as electricity use nears record peak Reuters
- Largest US Grid Saw Demand Hit Record High Thursday on Heat Bloomberg.com
- Feds: Data centers must use generators to preserve power, prevent blackouts during heat wave demand WRAL
- Extreme heat wave threatens U.S. power grids and July 4 travel CNBC
- Energy Dept. directs data centers to use backup generators during heat wave, freeing up power for AC CNN