VALLEY FORGE, Pa. (WUSA9) -- PJM Interconnection, the electric grid operator for more than 61 million people in 13 states and the District of Columbia,says itsendeda special request for the public to conserve electricity.

Intense cold weather prompted the request to reduce electricity use in the entire region served by PJM.

"Our thanks go to all of the consumers who heeded our call yesterday to conserve electricity," said President and CEO Terry Boston in a press release on Wednesday. "Consumers' conservation had a direct impact on our ability to meet everyone's electricity needs and helped us manage a very tight power supply caused by the extreme cold across all 13 states."

PJM officials say the company broke the record for peak winter electricity use twice on Tuesday from the previous peak of 136,675 megawatts in 2007. One megawatt is enough to provide power for about 1,000 homes, say officials. Tuesday's morningelectricity use peaked at 138,000 MW and in the evening at 141,312 MW.