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Propane vs. Natural Gas vs. Heating Oil: Mercer County Home Heating Fuel Comparison

Homeowners have a variety of home heating fuels to choose from. Natural gas is the most popular choice in Mercer County, used by 2,698,438 or 51.75% of homes. The 2nd most popular choice for Mercer County homeowners is electricity, used by 1,275,546 homes (24.46%). The remaining homes are heated with heating oil (786,449), propane (256,098), wood (122,435), and other fuels (139,486).

Mercer County Primary Home Heating Fuel Popularity by Number of Households

Fuel	Mercer County Households	% of Households
Natural Gas	2.6M	51.75%
Electricity	1.2M	24.46%
Heating Oil	786,449	15.08%
Propane	256,098	4.91%
Wood	122,435	2.35%
Coal	51,531	0.99%
Other Fuels	50,506	0.97%
No Fuel	33,356	0.64%
Solar	4,093	0.08%

Natural gas (51.75)

Electricity (24.46)

Heating oil (15.08)

Propane (4.91)

Wood (2.35)

Coal (0.99)

Other fuels (0.97)

No fuel (0.64)

Solar (0.08)

#2 Heating Oil (Fuel Oil) Use in Mercer County

Heating oil has become less popular in Mercer County. In the 3 years since 2019, the number of heating oil homes fell from 814,213 to 786,449, a 3.41% drop.

Mercer County Heating Oil Households (2011 - 2022)

Year	Heating Oil Households
2011	1.0M
2012	1.0M
2013	963,754
2014	930,735
2015	899,276
2016	864,952
2017	843,020
2018	828,104
2019	814,213
2020	811,086
2021	790,823
2022	786,449

Propane vs. Natural Gas use for home heating in Mercer County

Between 2019 and today, the number of homes using propane as the primary space heating fuel rose from 222,412 to 256,098.

Between 2019 and today, the number of homes using natural gas as the primary space heating fuel rose from 2,599,328 to 2,698,438.

Electricity use for home heating in Mercer County

Electric space heating systems are becoming more popular in Mercer County. Since 2019, the number of homes heating with electricity rose from 1,168,162 to 1,275,546, a 9.19% increase.

Solar use for home heating in Mercer County

Solar is the most environmentally friendly of all space heating fuels. With an “active” solar heating system, liquid is circulated between solar panels on a home’s roof and a heat energy storage tank in the basement.

Currently, 4,093 homes in Mercer County are heated with active solar arrays. This is a 66.79% increase from 2019, when only 2,454 homes had installed active solar heating.