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From the opinion pages of the Wall Street Journal, this is Potomac Watch.

As a winter storm, pummel the US over the Christmas holiday, hundreds of thousands of

Americans lose electricity, and is the green power transition to blame.

Welcome I'm Kyle Peterson with The Wall Street Journal.

We are joined today by my colleagues, columnists Alicia Finley and Kim Strassel.

As fridge and temperatures put many states into deep freeze last week, one news story said

that nearly 1.5 million customers in the United States and Canada had lost power.

Let's focus to start on the PJM interconnection, which is the outfit that operates the electricity

grid for 65 million people and touches 13 states, including Pennsylvania, Virginia, New

Jersey, and the District of Columbia.

Here's the news release.

PJM is asking customers to reduce their use of electricity of health permits between

the hours of 4 a.m. on December 24 and 10 a.m. on December 25.

Electricity customers can take simple conservation steps such as setting thermostats lower than

usual if health permits post-poning use of major electric appliances and turning off non-essential

electric lights, equipment, and appliances.

Alicia, that wasn't even the worst of it.

Duke Energy had rolling blackouts as did the Tennessee Valley Authority.

...