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Credit: Â鶹¹ÙÍø/Nick Iannelli

How the heat has been stressing the DC power grid — and line workers

Amid a massive American clean energy shift, grid operators play catch-up

Californians asked to cut back power usage during extreme heat conditions

Montgomery Co. activates two advanced microgrids

How the heat wave is affecting the power grid — and your energy bill

After Tuesday’s outage, how rickety is the area’s power grid?