US Heating & Cooling Degree Days by Region - daily, base 18 °C, cleaned Parquet
Daily heating and cooling degree days (base 18 °C) for the US power-market regions (ERCOT, CAISO, MISO, PJM, …), computed from NASA POWER daily mean temperature. The temperature-normalized demand proxy behind every US gas and power load model - the number natural-gas and power desks trade around each morning.
Heating degree days / Cooling degree days