Power grid operator calls for Tuesday conservation

Nyjaii Williams, of St. Paul, is bundled up against the cold wind, Sunday, Jan. 26, 2014, in St. Paul. (AP Photo/The Star Tribune, Marlin Levison) MANDATORY CREDIT; ST. PAUL PIONEER PRESS OUT; MAGS OUT; TWIN CITIES TV OUT
Nyjaii Williams, of St. Paul, is bundled up against the cold wind, Sunday, Jan. 26, 2014, in St. Paul. (AP Photo/The Star Tribune, Marlin Levison) MANDATORY CREDIT; ST. PAUL PIONEER PRESS OUT; MAGS OUT; TWIN CITIES TV OUT
Posted: January 29, 2014

PJM Interconnection, the regional electricity grid operator, has called on customers to conserve power on Tuesday, when arctic conditions are expected to push demand to the limits of the transmission system.

The grid on Tuesday evening is projected to surpass the winter demand record set on Jan. 7, said Paula DuPont-Kidd, a PJM spokeswoman. Utilities are asking consumers to conserve electricity especially from 6 a.m. to 10 a.m. on Tuesday as well as from 5 p.m. to 9 p.m.

Utilities urged electric heating customer to set their thermostats lower than usual, if health permits, to turn off unneeded lights and appliances, and to delay using major appliances like stoves, dishwashers and clothes dryers.

DuPont-Kidd said that surrounding transmission grids, which PJM can sometimes call upon to supply additional power during high-demand periods, are expected to also experience record low temperatures Tuesday and not have any surplus power to sell.

PJM operates the grid that serves more than 61 million people in 13 states and the District of Columbia.

amaykuth@phillynews.com

215-854-2947 @maykuth

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