Another good piece from the EIA’s Today in Energy, here:
“Population-weighted cooling degree days, an indicator of warm weather and air conditioning demand, reached a record high in 2018. Heating degree days, the corresponding indicator of cold weather and space heating demand, were also higher in 2018 than in recent years. Electricity is the primary fuel used for air conditioning, but a variety of fuels are used to meet demand for space heating. Consequently, cooling degree days have a greater influence on overall electricity generation than heating degree days.”
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