Homeowners have a variety of home heating fuels to choose from. Natural gas is the most popular choice in Warren County, used by 2,618,092 or 74.00% of homes. The 2nd most popular choice for Warren County homeowners is electricity, used by 532,344 homes (15.05%). The remaining homes are heated with heating oil (258,381), propane (91,132), no fuel (30,011), and other fuels (40,620).

Warren County Primary Home Heating Fuel Popularity by Number of Households

Fuel	Warren County Households	% of Households
Natural Gas	2.6M	74.00%
Electricity	532,344	15.05%
Heating Oil	258,381	7.30%
Propane	91,132	2.58%
No Fuel	30,011	0.85%
Other Fuels	19,813	0.56%
Wood	12,502	0.35%
Solar	7,334	0.21%
Coal	971	0.03%

Natural gas (74.00)

Electricity (15.05)

Heating oil (7.30)

Propane (2.58)

No fuel (0.85)

Other fuels (0.56)

Wood (0.35)

Solar (0.21)

Coal (0.03)

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

Heating oil has become less popular in Warren County. In the 6 years since 2016, the number of heating oil homes fell from 314,964 to 258,381, a 17.96% drop.

Warren County Heating Oil Households (2011 - 2022)

Year	Heating Oil Households
2011	420,231
2012	397,731
2013	374,390
2014	353,791
2015	336,160
2016	314,964
2017	298,525
2018	284,056
2019	271,250
2020	260,383
2021	256,421
2022	258,381

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

Between 2016 and today, the number of homes using propane as the primary space heating fuel rose from 61,761 to 91,132.

Between 2016 and today, the number of homes using natural gas as the primary space heating fuel rose from 2,383,517 to 2,618,092.

Electricity use for home heating in Warren County

Electric space heating systems are becoming more popular in Warren County. Since 2016, the number of homes heating with electricity rose from 391,307 to 532,344, a 36.04% increase.

Solar use for home heating in Warren 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, 7,334 homes in Warren County are heated with active solar arrays. This is a 311.33% increase from 2016, when only 1,783 homes had installed active solar heating.