How to safely store generator fuel

Are you struggling to store your generator fuel safely? You’ve come to the right place!

In this article, we will guide you through a complete breakdown of how to select, store and dispose of fuels for your generator. So let’s get started!


Generator fuel is an essential resource to have and use in a power outage situation, but it can also pose a safety risk if not stored and handled properly. This guide will provide information on how to store generator fuel safely, as well as tips on how to properly handle and use it.

We’ll also discuss various types of generators, the different types of fuel they use, and other essential tips for keeping yourself and your home safe during a power outage.

Importance of safely storing generator fuel

Generators are an important source of backup power and they must have reliable fuel sources to operate properly. Storing gas or diesel fuel requires special care to minimize waste, contamination, and fire hazards. It is essential that you know how to safely store generator fuel for use in your generator and ensure the safety of those around it. Here are the key elements to consider when storing generator fuel:

  1. Storage container: Make sure to use an approved container that is necessary for storing and transporting flammable liquids safely. The most suitable containers for generator fuel storage are typically labeled as UN/DOT approved; this ensures that the container has been tested for quality and durability.
  2. Correct fuel grade: Be sure to use the recommended grade of oil for your specific generator model; often this information can be found in the manual or technical specifications sheet of your model-based generator information regarding oil type should always trump manufacturer websites details because those oil specifications can change over time or differ across countries or stateswhere certain fuels may not be available in a given area code.
  3. Environmental measures: To reduce spillage risks, position your storage tanks away from heat sources,excessive noise levels direct sunlight exposure can causes gas to expand (resulting in pressure build-up) as well as other environmental elements like floods ,seismic activity ,strong winds etc you also need to check location’s compliance laws concerning generator fuel storage as some jurisdictions have additional requirements such as residence buffer zones near any tank area.
  4. Ventilation requirements: Make sure adequate air circulation is maintained around stored generators. This helps dissipate combustible vapors, keep fueling sites cool during summer months (thus reducing chance of static sparking).

Choose the Right Container

Choosing the appropriate container to store your fuel is very important. Store your fuel with either rigid plastic containers or metal tanks. Avoid using rubber hose or other unsuitable materials, like plastic bags. Moreover, never use a gasoline container for storing diesel fuel and vice versa, as they are not compatible and can contaminate each other when combined.

When purchasing fuel storage containers, always ensure that they are approved and labeled by the Underwriter’s Laboratory (UL) for safe storage of hazardous materials. Additionally, make sure that the container has a secure lid to prevent unintended spills and leakages from any part of the tank. Finally, purchase a new tank if you’re planning on storing the gasoline for a long duration; used tanks may have unnoticed damages which can lead to leakage or contamination of the stored fuel over time.

Choosing the right container for fuel storage

When storing fuel for a generator, it is important to use the right container to ensure safety and preserve the quality of the gasoline or diesel. In some cases, combustible liquids such as generator fuel can be stored in their original containers. However, this is not recommended because it could lead to contamination and may allow small amounts of fuel to evaporate in an unventilated space.

At its most basic level, you need a container that will prevent leaks and seal out air and other contaminants. Plastic or metal containers are best suited for generator fuel storage because they are lightweight, durable and corrosion resistant. Metal containers may withstand higher temperatures but plastic containers tend to be more versatile when it comes to transportability and storage space considerations. Choose a suitable container design – by considering elements such as capacity, size, dimensions, ergonomics – when selecting the right one for your particular needs.

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When choosing how much capacity your container should have bear in mind that more than 10 gallons of fuel must be stored in an approved stationary storage tank according to most state regulations. For safety reasons, plastic gas tanks have been designed with an interlock that prevents access from outside sources since the vapors from gasoline can cause sparks or fires if ignited. Overfilling any type of container can also create hazardous conditions if there is leakage from overpressure buildup inside it so make sure you always adhere to all field recommendations when refilling your tank with generator fuel for storage purposes.

Materials to avoid

When handling, storing and taking fuel from a generator, there are a few materials to avoid that can cause damage to your equipment or hazards to people and animals. Due to the flammability of fuel, it is important to take all necessary precautions when dealing with generator and gasoline storage.

  1. Metal containers: Metal containers are naturally conductive and may cause sparks or short circuits when in contact with fuel or electrical wiring. Use only plastic containers rated for fuel storage that meet safety standards set by governing agencies such as OSHA or OSFM.
  2. Gasoline additives: Some gasoline additives may be dangerous or harmful when ingested or come into contact with skin, dust masks/respirators should be worn while handling any fuels containing additives other than those specified by the manufacturer in their manual. Additionally, some additions will increase ignition risk even further so you should always research what each additive does before mixing into the fuel tank of your generator.
  3. Open flames: Due to the flammable nature of gasoline vapors need an open flame–which often comes from an electrical spark–to ignite them which can lead accidentally create a fire hazard leading potential injury if not handled properly. Always use flashlights equipped with LED bulbs instead when inspecting any part of a generator where a spark could be created near flammable materials such as fuel lines and tanks.

Recommended container types

When selecting a container for generator fuel, it is important to choose one that is made from an appropriate, durable material that does not react with the fuel itself. Appropriately designed and approved containers for fuel storage are available from major hardware stores. Plastic and aluminum are good options when selecting a compatible container for generator fuel storage. Steel and most other metals should be avoided as they can corrode and rust when exposed to the elements or to the fuel itself. The container should also have a tight fitting lid in order to reduce exposure to air, moisture, dust and debris which can contaminate the fuel or make it less flammable. Additionally, plastic containers are safer in terms of fire prevention than metal containers as they will not ignite easily if exposed to heat or sparks.

In addition to its durability and fire retardant property, plastic offers another advantage: its mostly impermeable nature means that it will protect the generator’s fuel from outside contaminants while keeping it fresh until use. To ensure that your stored generator fuel stays pristine, you should clean out your container regularly with an approved solvent or cleaner prior to refilling with fresh gasoline or diesel.

III. Store in a Safe Location

It is essential to store generator fuel in a safe location. Follow proper safety precautions to ensure that you are working in a secure environment. This includes using the proper safety equipment, such as eye protection and gloves. When handling fuel for a generator, always pour it slowly and cautiously. Store it away from sources of heat and sparks, as this can cause a fire if spilled.

Before storing the fuel, make sure that your container is clearly labeled with clear instructions on how to safely transport it. Poorly labeled containers can easily lead to accidental spills or other environmental damage. Additionally, pay special attention if you are storing diesel or gasoline for extended periods of time – it needs to be stored differently than other types of fuel for generators.

If you need to store the fuel outdoors, choose an area away from direct sunlight or moisture where temperature fluctuations won’t be an issue. Be sure that there is enough space between containers of fuel so they are not too close together and there is ample ventilation so fumes won’t build up or ignite when exposed to open flames or spark sources. Finally, since odors from flammable liquids may dissipate at higher temperatures, keep them out of extreme temperatures by staying in regions with moderate weather conditions all year long when possible.

Safe location for storing fuel

It is important to find an appropriate location to store fuel for your generator. Ideally, the area should be dry and well-ventilated so that fumes do not build-up and cause a hazard. It is best to keep the fuel in its original container as contact with air can reduce the fuel’s shelf-life. Additionally, having a designated storage location will allow you to easily access it when needed.

When selecting a location, be sure that it is away from any sources of heat or fire such as stoves, grills, and radiators and out of direct sunlight, which destroys some of the fuel’s volatile compounds. It’s also a good idea to pick a spot far away from any flames or sparks from welders or grinders.

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Finally, make sure that your fuel storage spot is also secure from children and animals. As such, choose an area either high off the ground or within a locked facility for maximum safety if you’re storing large amounts of gasoline or diesel for your generator.

Keeping the fuel away from heat sources

When storing your generator fuel, be sure to keep it away from any heat sources. A generator produces combustible vapors, and these vapors can ignite when exposed to a heat source of any temperature. Common heat sources include radiators, space heaters and even direct sunlight. Temperatures above 120-125 degrees Fahrenheit are particularly dangerous for your stored fuel and should be avoided at all costs.

Keeping the fuel away from high temperatures will help preserve its quality and extend its shelf life. Furthermore, doing so will also reduce the risk of accidental fire or explosion in the vicinity of the generator.

Add Fuel Stabilizer

Fuel stabilizers are designed to keep fuel fresh longer. Your generator can still be at the optimal performance without one, however, adding a fuel stabilizer will extend the shelf life up to two years instead of one. Adding in a fuel stabilizer is not absolutely necessary but there are certain cases it is strongly recommended.

If you plan on letting your generator sit for more than 30 days before use, it is recommended that you add fuel stabilizer to your generator’s fuel system. Fuel starts to degrade soon after it has been mixed with oil and added into the tank of your generator. Adding in the stabilizer will help slow down this process and eliminate the need to empty any unused gas from the tank prior to use. This will prevent any clogs caused by leftover debris or gummed up fuels caused by prolonged storage that are hard to remove without proper measures.

Adding a fuel stabilizer can also make starting-up your engine much easier when it comes time for use again in around two years or so as long as you do not open the tank during that period of time. To ensure maximum effectiveness, add 8 ounces for each 6 gallons of gasoline stored in the fuel tank before shutting down and storage for extended periods of time.

Explanation of fuel stabilizers

Fuel stabilizers are essential when it comes to safely storing generator fuel. This type of additive prevents the fuel from breaking down and becoming unusable. It helps to reduce gum, varnish, and sludge buildup within the engine as well as protecting your generator’s parts from adverse environmental conditions such as cold weather or water in the fuel tank. It also extends shelf life by minimizing oxidation, which can make stored fuel unusable over time.

By using fuel stabilizers, you can ensure that your stored generator fuel remains viable for long periods of time without the risk of it breaking down or causing damage to your generator components. Fuel stabilizers are available for all types of fuels including gasoline, diesel, and propane. Many fuels contain compounds that will break down and create problems if not treated with a stabilizer prior to storage. Stabilized fuels also require less care while in storage as they will be less likely to clog filters or become contaminated with water or dirt particles that can cause malfunctioning systems.

When storing your filler for the winter season or prolonged periods of inactivity, adding a fuel stabilizer to prevent oxidation is recommended for optimal performance upon startup in the springtime months – or even just for when you’re ready to use it again after higher usage during peak season months!

Importance of using fuel stabilizers for long-term storage

When storing fuel in tanks for long periods of time, a fuel stabilizer is essential in order to prevent the fuel from deteriorating, as well as preventing bacteria and fungus growth. The fuel stabilizer creates an environment that slows down oxidation, which is the primary cause of fuel deterioration. This prevents the fuel from becoming unstable and breaking down into harmful particles that can damage your generator engine.

The primary benefit of using a fuel stabilizer is that it helps to extend the life of any stored gasoline. Without a stabilizer, stored gasoline can become unusable in as little as 30 days due to oxidation caused by oxygen and other impurities. By using a stabilizer, it’s possible to keep gas fresh for up to two years or even longer depending on many factors like local temperatures or climate conditions.

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Another benefit of using a fuel stabilizer is that it also adds lubrication to the stored gasoline which helps protect sensitive parts within your generator like your carburetor and spark plugs from rusting or corroding over time. Additionally, most high-quality fuel stabilizers will also help clean any build up on critical engine components such as intake valves while they are not in use which helps to reduce future repair costs and maximize efficiency when you do turn it on.

Finally, some popular gasoline additives used in containers offer additional benefits such as helping to deter mice and insect infestation since they don’t particularly like gas treated with these types of products. Ultimately, having a good quality container with well-sealed lids is just as important but adding an appropriate stability product can dramatically increase its effectiveness at maintaining usable storage for long periods of time when needed most!

Recommended fuel stabilizers

Generator fuel stabilizers help protect the quality of the fuel and maintain its efficiency for an extended period. Generally, gasoline should be used within 30 days and diesel within 90 days to ensure that their qualities are not compromised. Fuel stabilizers help extend this time significantly, reducing waste while increasing efficiency.

The Right Kind of Stabilizer When choosing a fuel stabilizer, any standard brand will do the basic job of preventing bacterial growth and extending fuel life. However, there are also more sophisticated formulas on the market which can be beneficial in certain situations. For instance, some brands contain more detergents which help clean out your engine as well as preventing oxidation in stored fuel. It is also possible to buy liquids or dry powders which absorb excess water held in stored fuel and turn into a gel-like substance to stop water from getting into your engine’s combustion chamber.

For optimal safety precautions for stored generator fuels, it is recommended that all fuels — both petrol (gasoline) and diesel — are treated with a quality fuel stabilizer before use or storage for long-term periods or through winter months when freezing may be an issue.


It is essential to understand how to safely store fuel for your generator to ensure its correct operation. Consider factors such as the type of fuel, its shelf-life, whether it needs specific storage containers, and the most appropriate place for storage. Be aware that if stored incorrectly, fuel can leak, evaporate or become contaminated by dirt or water.

In conclusion, with appropriate steps taken to safely store generator fuel, you can ensure the long life of your generator and that it will be ready when you need it in an emergency. Use this guide as a reminder and have regular check-ups on your stored fuel supply. Ensure all rules and regulations are followed in accordance with environmental protection laws where you live. Properly stored generator fuel will also reduce volatility or fire risks associated with improper handling and storage.

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