Residences have a variety of fuels to choose from when it comes to heating. Natural Gas is the preferred choice in Nassau, used by 4,725,574 or 61% of households. The 2nd most popular primary heating fuel for Nassau homeowners is Electricity, used by 1,365,710 homes (18%). The other homes are heated with Heating Oil (14%), Propane (5%), Other (1%), and Wood (1%).

Nassau County Residential Primary Home Heating Fuel (No. of Households)

Year	Natural Gas	Propane	Electricity	Oil	Wood	Solar	Other
2026	4,768,707	390,135	1,429,822	1,059,449	89,064	18,053	103,422
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 Nassau

Number two heating oil has become less popular in Nassau. In the 1 years since 2024, the number of households using heating oil dipped from 1,143,783 to 1,103,323, a 4% drop.

Propane vs. Natural Gas use for home heating in Nassau

Between 2024 and today, the number of houses using propane as the primary space heating fuel jumped from 370,910 to 377,922, a 2% change. Comparing 2024 and today, the number of homes using natural gas as the primary space heating fuel grew from 4,679,558 to 4,725,574, a 1% change.

Electricity use for home heating in Nassau

Electric heat pump systems for home heating are more popular in Nassau. Since 2024, the number of homes heating with electricity grew from 1,292,868 to 1,365,710, a 6% change.

Adoption of solar home heating systems in Nassau

The most eco-friendly heating option is solar. With an “active” solar heating system, liquid is circulated between solar panels on a home’s roof and a heat energy storage tank (similar to a hot water heater) in the basement. Today, 16,434 homes in Nassau are heated with active solar arrays. This is a 8% gain from 2024, when 15,259 homes used active solar heating.

Nassau County Heating Oil Trends

Last year, Nassau County homeowners purchased a total of 65 million gallons of heating oil.

Short Term Trends

Nassau’s overall number two heating oil usage fluctuates each year as winter conditions change. As the temperature outside drops, homes’ heating systems need to burn increasing amounts of heating oil to maintain a constant interior temperature. Last winter, the average outside temperature in Nassau was 28.1°F, which was 5.4°F colder than the prior winter's average outside temperature.

Nassau County Average Winter Temperature

Heating Season	Average Temperature
2024 - 2025	28.1° F
2023 - 2024	33.5° F

Nassau County Homeowner’s Guide to Selecting an Oil Company

For Nassau families heating with oil, choosing which of the 218 heating oil companies that serve Nassau plays a big role in determining how much money is spent on heating each winter.

Full Service Oil Companies: Homeowners who value a “set-it-and-forget-it” heating system choose one of the 3755 “full-service” oil companies that serve Nassau. Full service companies such as Lewisy Fuel Oil Inc or Beato Fuel And Appliance Corporation offer families annual contracts which consist of a combined package of both automatic heating oil delivery and heating system repair. With an automatic number two heating 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 customers who are on a budget. With discount oil companies, in exchange for lower prices, you monitor the number two heating oil level in your tank, and you place an oil order when you're running low. A few of the 2 Nassau cash heating oil companies serving Nassau include Best Price Fuel Oil Inc Inc and Rosales Oil Company Inc.

Nassau Fuel Oil Company Fast Facts: Number two heating oil Companies Serving Nassau: 218 companies .

Average Number of Nassau Houses Served per Heating Oil company : 5061

Nassau Heating Oil Delivery Overview

1,103,323 residences in Nassau heat their homes with number two heating oil. This makes oil delivery essential, especially when Nassau temperatures drop as low as 22.4° F each winter. 14.2% of Nassau households depend on heating oil delivery each winter.

7% of Nassau County Households Rely On Heating Oil Delivery Each Winter

Nassau County Households	Nassau County Heating Oil Households
15.6M	1.1M

9328 Nassau Fuel Oil Companies Homeowners Can Count On

With 664,748,714 gallons of heating oil delivered to Nassau families last winter, the Nassau community looks to its 9328 oil companies to keep their oil tanks full. 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 Nassau, 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 homes and businesses throughout Nassau and the surrounding vicinity.

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