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Propane vs. Natural Gas vs. Heating Oil: Delaware Home Heating Fuel Comparison

Homeowners have a variety of home heating fuels to choose from. Natural gas is the most popular choice in Delaware, used by 169,865 or 43.18% of homes. The 2nd most popular choice for Delaware homeowners is electricity, used by 144,312 homes (36.68%). The remaining homes are heated with heating oil (38,199), propane (34,768), other fuels (3,090), and other fuels (7,083).

Delaware Primary Home Heating Fuel Popularity by Number of Households

FuelDelaware Households % of Households
Natural Gas169,86543.18%
Electricity144,31236.68%
Heating Oil38,1999.71%
Propane34,7688.84%
Other Fuels3,0900.79%
Wood2,6300.67%
No Fuel2,4630.63%
Solar1,0880.28%
Coal9020.23%

Natural gas (43.18)

Electricity (36.68)

Heating oil (9.71)

Propane (8.84)

Other fuels (0.79)

Wood (0.67)

No fuel (0.63)

Solar (0.28)

Coal (0.23)

#2 Heating Oil (Fuel Oil) Use in Delaware

Heating oil has become less popular in Delaware. In the 7 years since 2015, the number of heating oil homes fell from 49,733 to 38,199, a 23.19% drop.

Delaware Heating Oil Households (2011 - 2022)

YearHeating Oil Households
201158,474
201256,875
201354,361
201451,755
201549,733
201647,102
201744,319
201843,122
201941,550
202040,121
202138,925
202238,199

Propane vs. Natural Gas use for home heating in Delaware

Between 2015 and today, the number of homes using propane as the primary space heating fuel fell from 35,254 to 34,768.

Between 2015 and today, the number of homes using natural gas as the primary space heating fuel fell from 140,473 to 169,865.

Electricity use for home heating in Delaware

Electric space heating systems are becoming more popular in Delaware. Since 2015, the number of homes heating with electricity rose from 110,781 to 144,312, a 30.27% increase.

Solar use for home heating in Delaware

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, 1,088 homes in Delaware are heated with active solar arrays. This is a 518.18% increase from 2015, when only 176 homes had installed active solar heating.

Delaware Heating Oil Trends

Last year, Delaware homeowners purchased a total of 15 million gallons of heating oil.

Short Term Trends

Delaware’s overall heating oil use varies from year to year, primarily depending on how cold each winter is. As the temperature outside gets colder, homes’ heating systems need to burn more and more oil to keep homes warm. Last winter in Delaware, the average outside temperature was 6.7° F warmer than the prior winter's average outside temperature.

Delaware Average Winter Temperature

Heating SeasonAverage Temperature
Winter 2022 - 202347.3° F
Winter 2021 - 202240.6° F

Delaware Homeowner’s Guide to Selecting an Oil Company

For Delaware homeowners heating with oil, selecting which of the 60 heating oil companies that serve Delaware is an important decision.

Full Service Oil Companies: Homeowners willing to pay a premium for a “set-it-and-forget-it” heating system choose one of the 0 “full-service” oil companies that serve Delaware. Full service companies such as undefined or undefined offer automatic fuel delivery and furnace repair under a single roof.

Discount Oil Companies: Also known by the names “COD Fuel Companies” or “Cash Heating Oil Companies”, these companies are for the budget-conscious Delaware homeowner. In return for better prices, you monitor the oil level in your tank and place an order when you run low on oil. Examples of cash heating oil companies that serve Delaware include Shellhorn & Hill Inc and William G. Day Company.

Delaware Heating Oil Company Fast Facts

Heating Oil Companies Serving Delaware: 60 companies

Average Number Of Delaware Homes Served Per Company: 636 homes

Average Gallons Delivered per Delaware Oil Company: 257,566 gallons per year

Delaware Heating Oil Delivery Overview

Approximately 38,199 households in Delaware heat their homes with fuel oil. This makes oil delivery essential, especially when Delaware temperatures drop as low as 42.5° F each winter.

9% of Delaware Households Rely On Heating Oil Delivery Each Winter

Delaware HouseholdsDelaware Heating Oil Households
393,42638,199

60 Delaware Oil Companies Go the Distance

With 15 million gallons of heating oil delivered to Delaware homeowners during the winter of 2023, the Delaware community relies on its 60 oil companies to keep warm.

Oil delivery is a two step process: First, an oil truck picks up oil at the nearest bulk fuel terminal. In the case of Delaware, two of the closest terminals are Sunoco in Salisbury, MD and Pbfenergy in Delaware City, DE. Then, the truck delivers the #2 heating oil to homes and businesses in Delaware.

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