Petroleum (38%)
Natural Gas (24%)
Coal (23%)
Other sources are : Nuclear (8%), Renewable (7%)
The United States spend over 558 billion dollars on energy expenditures.
Th eexpenditure for electricity are over 216 billion dollars.
Of the energy generated in the United States:
Coal (52%)
Nuclear (20%)
Natural Gas(16%)
Hydro Power (7%)
The average eficiency of a power plant is 33%
Approximately 70% of th energy used to generate electricity is lost due to heat and other innefficincies in the generation, transmission, and distribution of electricity.
The average American household uses between 7,500 to 10,000 kilowatt-hours of elcetricity per year.
Heating and cooling the house accounts for about 58 percent of the energy used in the average household.
Heating water accounts for about 19 percent of the total energy costs.
Refriduration accounts for 12 percent of the total energy used.
Lights and appliences account for 11 percent of the total energy used.
Although the amount that the average American family spends on home energy per year depends upon location, the average household energy expenditures are 1,292 dollars.