NOAA Climate Analysis for 04101: HVAC Energy Demand
In 04101 (Downtown / Old Port), summer cooling increases your kWh electric bill by 25% compared to the winter heating baseline.
Homes in this postal zone record an average of 450 Cooling Degree Days annually. High HVAC seasonal efficiency (SEER2 16+) and window tinting directly protect against top-tier summer rate charges.
Cooling Degree Days (CDD): 450
Reflects air conditioning runtime. Critical for managing peak electric bills.
Heating Degree Days (HDD): 6,850
Reflects winter furnace and heat pump energy consumption.
Assigned Utility Providers for ZIP 04101
Power Utility:
Portland General Electric (PGE)
Water Authority:
Portland Water Bureau
Natural Gas:
NW Natural