The average propane price in Delaware is $3.68 per gallon as of March 2026. This is according to US EIA estimates.
Want cheaper, greener energy?
Click here to get a free, no-obligation solar quote.
Discover the power of solar
Solar is a cleaner, greener, and cost-effective alternative to propane!
With solar energy, you can take control of your energy bills while reducing your carbon footprint and contributing to a more sustainable future.
Plus, with numerous local and federal incentives available, switching to solar is more affordable than ever.
Don’t let propane prices hold you back—embrace the benefits of solar power and transform your home and your life.
Ready to make the change?
Click here for a FREE, no-obligation solar quote, and join the solar revolution today!
Estimated propane cost by tank size in Delaware
| Size of Tank | Cost to Fill |
|---|---|
| 100 gallons | $294 |
| 250 gallons | $736 |
| 500 gallons | $1,472 |
| 750 gallons | $2,207 |
| 1000 gallons | $2,943 |
The cost to fill up propane tanks varies depending on their size. To fill up a 100 gallon propane tank, you would need to spend $294. A larger tank, with a 250 gallon capacity, would require $736 to fill up. Those needing more substantial amounts of propane would incur higher costs; filling a 500 gallon propane tank costs $1,472, whereas a 750 gallon tank requires $2,207 to fill. The highest costs are associated with the largest tanks, as a 1000 gallon propane tank costs $2,943 to fill up. It's clear that the size of the propane tank significantly impacts the cost of fueling it.
Want cheaper, greener energy?
Click here to get a free, no-obligation solar quote.
What is the cheapest month to buy propane gas in Delaware?
The cheapest month to buy propane gas in Delaware is typically in the summer, specifically around July or August. This is because the demand for propane usually decreases during warmer months since it's less commonly used for heating. The decreased demand can lead to lower prices. However, it's important to note that prices can fluctuate based on various factors, so this is not a guaranteed trend every year.
What is the difference between an above ground and below ground propane tank?
An above ground and below ground propane tank primarily differ in their installation and visibility. An above ground propane tank is installed on the surface level of your property. It is easily accessible for maintenance, inspections, and refilling, but can be considered unattractive as it is completely visible and may interfere with landscape aesthetics. On the other hand, a below ground propane tank is installed underground. It is hidden from view and does not interfere with the landscaping but requires more work for installation and can be more challenging to inspect and maintain due to its location below ground.
What is the cost of a 250 gallon propane gas tank in Delaware?
The cost of a 250-gallon propane gas tank can vary greatly based on the supplier and fluctuating propane prices. As of the time of writing, no specific cost has been provided for a 250 gallon propane gas tank in Delaware. It would be best to reach out directly to local suppliers or check online platforms for the most accurate and up-to-date pricing.
What is the average cost of propane gas in Delaware?
The average cost of propane gas in Delaware varies depending on the current market conditions and the quantity being purchased. As of 2021, the average cost of propane per gallon in Delaware is estimated to be between $2.50 and $3.50. However, prices can fluctuate seasonally and in response to changes in supply and demand. For the most accurate pricing, it's best to contact local propane distributors.
Will propane gas get more expensive in Delaware?
Predicting the exact prices of propane gas in Delaware in the future is challenging as it depends on a multitude of factors including market demand and supply, geopolitical climate, natural disasters, and policy changes. There isn't existing evidence pointing in one direction or the other, so it's uncertain whether propane gas will get more expensive in Delaware.
Is propane gas cheaper than natural gas in Delaware?
The cost of propane gas and natural gas can vary based on various factors such as location, supply, and demand. As of the current market trends, propane gas is usually more expensive than natural gas in many states including Delaware. This is mainly because natural gas, being a pipeline product, is much more abundantly available and accessible compared to propane. However, the prices of both gases can fluctuate, so it's advisable to check the current prices before making a decision.