Did you know the average lifespan of diesel fuel is only 6 to 12 months? When storing diesel fuel, it’s important to consider several factors, such as how long you intend to store it, the stability of the fuel, tank conditions, and more.
When your generator runs on diesel, there are additional considerations for storing fuel to ensure it’s ready when you need it. Improper storage can result in safety issues, but don’t worry — we’ve outlined everything you need to know for safe and effective long-term storage.
How Long Can Diesel Be Stored?
Diesel fuel begins to oxidize as soon as it leaves the refinery, which can lead to sediment buildup that could damage your generator. Though you can slow the oxidation process by storing diesel in cooler conditions (below 70°F), fuel generally lasts between 6 and 12 months. Keep track of your fuel levels and its age to ensure it’s still usable when needed.
Tips for Keeping Fuel Stable
To extend the shelf life of stored diesel, consider using biocides and fuel stability treatments. Biocides help prevent bacterial growth that can create harmful sediments. Stability treatments slow the chemical breakdown of diesel, ensuring its quality for a longer period. It’s also crucial to maintain the condition of your storage tank. Water contamination is a common issue in diesel storage, so take steps to minimize it.
Experts recommend filling storage tanks as much as possible to minimize empty space, which can trap moisture and degrade fuel quality.
Storage and Tank Regulations
Fuel storage regulations can vary by location, so familiarize yourself with local laws before setting up a tank. Whether you use an underground, bunkered, or above-ground tank, ensure that it meets all structural and leak-prevention standards. This also applies to any repair or maintenance work that may be needed over time.
The Best Conditions for Storing Diesel
To maintain your diesel fuel, store it in a cool, dry, and isolated area. If you’re using an above-ground tank, consider adding a canopy or enclosure to protect it from water and direct sunlight. If your tank is below your generator, ensure it is placed on a raised surface or slab for easier access and to prevent water buildup. Always check the tank for moisture and keep it away from any potential ignition sources, such as electrical outlets.
Keep Your Genset Humming
At Generator Source, we understand how critical it is to ensure your diesel fuel is ready when you need it. With our in-depth knowledge of diesel fuel needs, prices, and generator requirements, we provide the most reliable fuel solutions for our customers.
When you need diesel fuel for your industrial generator, trust Generator Source to deliver the best service.
Story Summary
- How long can diesel fuel be stored?
- Diesel fuel can be stored for 6-12 months. With proper conditions and additives, it may last up to 1-2 years.
- What are the ideal storage conditions for diesel?
- Store in a clean, dry, airtight tank
- Keep below 70°F (21°C)
- Minimize exposure to air, sunlight, and water
- Should additives be used for long-term storage?
- Yes, use fuel stabilizers and biocides:
- Fuel stabilizers prevent oxidation
- Biocides prevent microbial growth
- Yes, use fuel stabilizers and biocides:
- How full should storage tanks be kept?
- Keep tanks as full as possible, up to 95% capacity, to minimize air space and avoid moisture accumulation.
- How often should stored diesel be checked?
- Inspect at least every 6 months for signs of contamination (e.g., cloudy appearance, sediment).
- What are signs diesel has gone bad?
- Dark, cloudy fuel
- Gelling or fuel separation
- Sludge or sediment
- Sour odor