
Yesterday, with the bitter cold blast (called a polar vortex) hitting the eastern half of the country, the PJM power grid, which covers all or parts of 13 states plus the District of Columbia (including all of Pennsylvania, Ohio, and West Virginia), experienced its largest single-day power draw EVER. The grid came through with flying colors thanks to natural gas, which provided an average of 42.5% of the total power produced yesterday, and coal, which produced 22.9% of all the power produced yesterday. Add in oil with another 3%, and fossil fuels carried the heavy load by producing 68.4% of PJM's electricity yesterday. How much did solar and wind produce? An infinitesimally small 4.46% of the electricity produced yesterday. Nuclear produced nearly a quarter of PJM's electricity yesterday at 24.5%.
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