Calculations and References | Clean Energy | US EPA
1. Electricity: 12,069 kWh per home × 1,232 lbs CO 2 per megawatt-hour generated × (1/(1-0.072)) MWh generated/MWh delivered × 1 MWh/1,000 kWh × 1 metric ton/2,204.6 lb = 7.270 metric tons CO 2 /home. 2. Natural gas: 52,372 cubic feet per home × 0.0544 .....