Sussex’s overall heating oil usage varies from year to year based on the severity of the winter. As the temperature outside gets colder, homes’ heating systems need to burn increasing amounts of heating oil to maintain a constant interior temperature. Last winter, the average outside temperature in Sussex was 36°F, which was 0.8°F warmer than the prior winter's average outside temperature.

Sussex County Average Winter Temperature

Heating Season	Average Temperature
2024 - 2025	39.7° F
2023 - 2024	37° F

Sussex County Homeowner’s Guide to Selecting an Oil Company

For Sussex homes heating with oil, choosing which of the 11 heating oil companies that serve Sussex plays a big role in determining how much money is spent on heating each winter.

Full Service Oil Companies: Homeowners who can afford a “set-it-and-forget-it” heating system select one of the 0 “full-service” oil companies that serve Sussex. Full service companies such as or offer families annual contracts which consist of a combined package of both automatic fuel oil delivery and boiler repair. With an automatic fuel oil delivery contract, the company tracks your home’s number two heating oil consumption and makes deliveries when your tank is running low. The homeowner does not need to monitor the level of the oil tank or place individual orders.

Discount Oil Companies: Also known by the names “COD Fuel” or “Cash Heating Oil” companies, discount oil companies are for clients 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 when you're running low. Some of the 2 Sussex cash heating oil companies serving Sussex include Liberty Propane and Peninsula Propane.

Sussex Heating Oil Company By The Numbers: Oil Companies Serving Sussex: 11 companies .
Average Number of Sussex Homes Served per Fuel Oil company : 8340

Sussex Heating Oil Delivery Overview

0 households in Sussex heat their homes with fuel oil. This makes oil delivery essential, especially when Sussex temperatures drop as low as 36° F each winter. 0% of Sussex households depend on heating oil delivery each winter.

7.43% of Sussex County Households Rely On Heating Oil Delivery Each Winter

Sussex County Households	Sussex County Heating Oil Households
1.2M	91,740

122 Sussex Oil Companies Serving The Community

With 15,453,978.435 gallons of oil delivered to Sussex homes the last heating season, the Sussex community relies on its 122 oil companies to keep their oil tanks full. Oil delivery is a two step process: First, an oil truck picks up oil at the nearest bulk fuel terminal (also known as a “rack”). In the case of Sussex, two of the closest terminals are Pbfenergy in Delaware City, DE and Etmt in Twin Oaks, PA. Then, the truck delivers the fuel oil to residences and companies throughout Sussex and the surrounding region.

Heating Oil Near You In These Adjacent Counties

Kent County, DE

New Castle County, DE