Number of households by type of dwelling1
Low-rise apartments High-rise apartments Mobile homes
Main heating energy source
Electricity 1,401,381 A 585,348 A U
Natural gas 251,644 M 159,064 M U
Heating oil U U U
Wood U U
Propane U U
Other U U
Dual source U U
Don't know 237,933 M 199,550 M U
Not stated U U
Type of energy source used by household
Electricity 2,059,428 A 994,596 A 161,459 M
Natural gas 479,221 A 325,061 M 102,996 M
Heating oil U U U
Wood U U
Propane U U
Solar or wind power U U
Other U U U


1 Does not include the "Don't know/not stated" category.


Due to rounding, the numbers may not add up and may differ slightly among tables.


The letter beside each estimate classifies its quality as follows: A–Acceptable, M–Use with caution, U–Too unreliable to be published.


2011 Survey of Household Energy Use