Propane vs Gasoline for Generators: Which One is Better?
When it comes to backup generators, choosing the right fuel is crucial. This article delves into the pros and cons of using propane versus gasoline for generator purposes, shedding light on the convenience, sustainability, and reliability of each fuel type.
Introduction to Generator Fuels
In today's world, having a reliable backup generator is essential, especially during power outages. Homeowners with propane tanks generally have a 250 or 500-gallon capacity, which is significantly larger than the typical 5-gallon portable gasoline can. While some generators can use both propane and gasoline, the fuel choice can significantly impact the effectiveness of your generator.
Propane as a Generator Fuel
Stability and Convenience: Propane is favored for backup generators in areas where a continuous supply is available and convenient. Unlike gasoline, which can go stale, propane does not deteriorate over time. This makes it an excellent choice for those who do not need to frequently refuel their generators.
Tank Capacity: For those with a 250-gallon propane tank, running on propane is highly advantageous. During recent widespread blackouts in South Carolina, gasoline was hard to come by, leading many to rely on propane instead. This demonstrates the long-term reliability of propane, especially in emergencies.
Gasoline for Generator Power
Short-Term Use: For those who need to refuel their generators more frequently, gasoline may be a better option. However, it requires regular maintenance and frequent refilling, especially in areas where gas stations are not readily accessible during outages.
Tank Size and Usage: The size of the generator and the frequency of use play significant roles in determining whether gasoline is practical. Small gasoline units are handy for brief, off-site usage but are not ideal for extended use due to the risk of spoilage.
Retail and Accessibility
Availability and Convenience: Most areas that sell propane are not open during emergencies, making gasoline a more readily available option during widespread outages. Gas stations, on the other hand, remain operational, ensuring a constant supply of fuel.
Diesel as an Alternative
Potential Energy: Diesel fuel is known for its higher potential energy per volume compared to propane and gasoline. For those who need to refuel weekly, diesel can be a reliable option, though it is more expensive and requires regular top-offs.
Biological Contamination: Diesel fuel is susceptible to biological contamination over extended periods. However, it remains a dependable unit for small generators, often used by hospitals for backup power.
Conclusion
The choice between propane and gasoline for generator fuel depends on the specific needs and circumstances of each user. Propane offers convenience and long-term reliability, making it ideal for those with a steady fuel supply. Gasoline is better suited for short-term use and areas where frequent refueling is feasible. Diesel, while more expensive, is a strong alternative for those requiring consistent power. Ultimately, the right choice will depend on the size of your generator, the length of outages, and the availability of fuel sources in your area.
Understanding the differences between these fuels will help you make an informed decision that best meets your backup generator needs.