Cheapest Delaware County Heating Oil Price History
Updated on February 21, 2026 at 01:00 PM
| Date | Price |
|---|---|
| 02/21/2026 | $3.747 |
| 02/20/2026 | $3.747 |
| 02/19/2026 | $3.741 |
| 02/18/2026 | $3.748 |
| 02/17/2026 | $3.758 |
| 02/16/2026 | $3.773 |
| 02/15/2026 | $3.787 |
| 02/14/2026 | $3.787 |
| 02/13/2026 | $3.786 |
| 02/12/2026 | $3.790 |
| 02/11/2026 | $3.789 |
| 02/10/2026 | $3.784 |
| 02/09/2026 | $3.779 |
| 02/08/2026 | $3.770 |
| 02/07/2026 | $3.773 |
| 02/06/2026 | $3.778 |
| 02/05/2026 | $3.769 |
| 02/04/2026 | $3.759 |
| 02/03/2026 | $3.757 |
| 02/02/2026 | $3.760 |
| 02/01/2026 | $3.678 |
| 01/31/2026 | $3.600 |
| 01/30/2026 | $3.600 |
| 01/29/2026 | $3.600 |
| 01/28/2026 | $3.569 |
| 01/27/2026 | $3.497 |
| 01/26/2026 | $3.406 |
| 01/25/2026 | $3.339 |
| 01/24/2026 | $3.340 |
| 01/23/2026 | $3.340 |
Propane vs. Natural Gas vs. Heating Oil: Delaware Home Heating Fuel Comparison
Residences have a host of fuels that can be used when it comes to heating. Natural Gas is the most common choice in Delaware, used by 4,725,574 or 61% of residents. The 2nd most popular primary heating fuel for Delaware homeowners is Electricity, used by 1,365,710 homes (18%). The rest of the homes are heated with Heating Oil (14%), Propane (5%), Other (1%), and Wood (1%).
Delaware County Residential Primary Home Heating Fuel (in Number of Households)
| Year | Natural Gas | Propane | Electricity | Oil | Wood | Solar | Other |
|---|---|---|---|---|---|---|---|
| 2025 | 4,725,574 | 377,922 | 1,365,710 | 1,103,323 | 92,054 | 16,434 | 100,232 |
| 2024 | 4,679,558 | 370,910 | 1,292,868 | 1,143,783 | 96,147 | 15,259 | 97,524 |
| 2023 | 4,581,041 | 402,335 | 1,263,700 | 1,212,850 | 100,015 | 11,208 | 104,369 |
| 2022 | 4,542,443 | 400,969 | 1,190,880 | 1,279,260 | 99,080 | 11,314 | 103,810 |
| 2021 | 4,489,009 | 388,311 | 1,118,015 | 1,293,770 | 108,202 | 8,858 | 98,952 |
| 2020 | 4,504,504 | 353,944 | 1,014,730 | 1,343,665 | 111,106 | 8,778 | 89,024 |
| 2019 | 4,519,999 | 319,576 | 911,445 | 1,393,560 | 114,011 | 8,697 | 79,096 |
| 2018 | 4,397,917 | 308,020 | 890,554 | 1,459,976 | 120,159 | 6,022 | 82,621 |
| 2017 | 4,339,349 | 294,973 | 867,925 | 1,496,843 | 122,088 | 5,988 | 77,386 |
| 2016 | 4,227,422 | 273,838 | 860,856 | 1,540,787 | 126,890 | 6,535 | 79,479 |
| 2015 | 4,202,413 | 265,224 | 808,370 | 1,649,860 | 141,016 | 3,120 | 78,999 |
| 2014 | 4,186,666 | 258,775 | 770,577 | 1,752,656 | 145,012 | 2,573 | 76,963 |
| 2013 | 4,074,510 | 259,367 | 764,400 | 1,802,442 | 148,422 | 2,525 | 81,841 |
| 2012 | 4,044,389 | 237,738 | 775,390 | 1,901,118 | 155,603 | 2,168 | 61,429 |
| 2011 | 4,014,222 | 222,634 | 707,016 | 1,979,067 | 143,287 | 2,728 | 63,609 |
| 2010 | 3,961,085 | 227,607 | 676,262 | 2,068,004 | 143,242 | 1,823 | 61,664 |
Heating Oil (Fuel Oil) Use in Delaware
Oil has become less frequently used in Delaware. In the 4 years since 2021, the number of households using heating oil fell from 1,293,770 to 1,103,323, a 15% drop.
Propane vs. Natural Gas use for home heating in Delaware
Between 2021 and today, the number of households using propane as the primary space heating fuel dipped from 388,311 to 377,922, a 3% change. Comparing 2021 and today, the number of homes using natural gas as the primary space heating fuel rose from 4,489,009 to 4,725,574, a 5% change.
Electricity use for home heating in Delaware
Electric heat pump systems for home heating are more prevalent in Delaware. Since 2021, the number of homes heating with electricity rose from 1,118,015 to 1,365,710, a 22% change.
Adoption of solar home heating systems in Delaware
Solar is the most environmentally friendly of all heating fuels. With an “active” solar heating system, liquid flows between solar panels on a home’s roof and a heat energy storage tank (similar to a hot water heater) in the basement. Now, 16,434 homes in Delaware are heated with active solar arrays. This is a 86% gain from 2021, when 8,858 homes had active solar heating.
Delaware County Heating Oil Trends
Last year, Delaware County homeowners purchased a total of 2 million gallons of heating oil.
Short Term Trends
Delaware’s overall oil use changes each year based on the severity of the winter. As the temperature outside drops, homes’ HVAC systems need to burn increasing amounts of number two heating oil to maintain a constant interior temperature. Last winter, the average outside temperature in Delaware was 28.1°F, which was 5.4°F colder than the prior winter's average outside temperature.
Delaware County Average Winter Temperature
| Heating Season | Average Temperature |
|---|---|
| 2024 - 2025 | 28.1° F |
| 2023 - 2024 | 33.5° F |
Delaware County Homeowner’s Guide to Selecting an Oil Company
For Delaware families heating with heating oil, choosing which of the 11 heating oil companies that serve Delaware is an important decision.
Full Service Oil Companies: Homeowners who prefer a “set-it-and-forget-it” heating system select one of the 44 “full-service” oil companies that serve Delaware. Full service companies such as Reinhardt Corp or A And L Home Fuel LLC offer customers annual contracts which consist of a combined package of both automatic number two heating oil delivery and furnace repair. With an automatic oil delivery contract, the company tracks your home’s fuel oil consumption and makes deliveries when your tank is running low. The household does not need to monitor the level of the oil tank or place individual orders.
Discount Oil Companies: Often called “COD Fuel” or “Cash Heating Oil” companies, discount oil companies are for households who are on a budget. With discount oil companies, in return for better prices, you monitor the heating oil level in your tank, and you place an oil order either when the level runs low or just before a major snowstorm. A few of the 2 Delaware cash heating oil companies serving Delaware include Sunrise Heating Fuels Inc and Worcester Fuel Oil Inc Cash Oil Assoc.
Delaware Oil Company Statistics: Number two heating oil Companies Serving Delaware: 11 companies .
Average Number of Delaware Houses Served per Heating Oil company : 100302
Delaware Heating Oil Delivery Overview
1,103,323 families in Delaware heat their homes with oil. This makes oil delivery essential, especially when Delaware temperatures drop as low as 22.4° F each winter. 14% of Delaware families depend on number two heating oil delivery each winter.
7.03% of Delaware County Households Rely On Heating Oil Delivery Each Winter
| Delaware County Households | Delaware County Heating Oil Households |
|---|---|
| 15.6M | 1.1M |
90 Delaware Oil Companies You Can Bank On
With 664,748,714.28 gallons of fuel oil delivered to Delaware residences the last heating season, the Delaware community relies on its 90 oil companies to keep warm throughout the winter. Oil delivery has two parts to it: First, an oil truck picks up oil at the nearest bulk fuel terminal (also known as a “rack”). In the case of Delaware, two of the closest terminals are Sprague in Bridgeport, CT and N.h.term in New Haven, CT. Then, the truck delivers the number two heating oil to residences and companies throughout Delaware and the surrounding region.
