When power outages threaten to flood your basement, choosing the right generator to keep your sump pump running becomes critical. The best options combine enough power, reliability, and fuel flexibility to handle heavy loads during emergencies. The WEN 6800-Watt Dual Fuel Generator stands out for its versatility and quiet operation, while the Westinghouse 6500 Watt Dual Fuel Generator offers a good balance of power and safety features. However, buyers must weigh factors like fuel type, portability, and startup convenience, as not all generators are equally suited for continuous sump pump operation. Continue reading for a detailed breakdown to find your perfect backup power solution.
Open a free Amazon Business account
Business pricing, bulk buying and tax-exempt orders.
Create a free accountAs an affiliate, we earn on qualifying purchases.
Complete the kit
Key Takeaways
- Dual-fuel options provide greater flexibility and longer runtime during outages.
- Higher wattage models ensure your sump pump runs reliably without overload concerns.
- Transfer switch compatibility simplifies connection to home electrical systems and enhances safety.
- Quiet operation and portability are important for frequent outages or space-limited setups.
- Price and build quality vary widely; investing in a durable, reliable generator pays off during critical times.
| WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator | ![]() | Best Overall for Reliable, Versatile Power | Engine: 224cc dual-fuel engine | Surge Watts: 6800 (gasoline), 6000 (propane) | Rated Watts: 5100 (gasoline), 4500 (propane) | VIEW LATEST PRICE | See Our Full Breakdown |
| Westinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO Sensor | ![]() | Best Value with Long Runtime and Safety Features | Gasoline Wattage: 6500 Peak / 5300 Running Watts | Propane Wattage: 5800 Peak / 4800 Running Watts | Fuel Tank Capacity: 4.7 gallons | VIEW LATEST PRICE | See Our Full Breakdown |
| DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator | ![]() | Best for High-Power, Whole-Home Backup | Power Output: 13,000 Watts | Fuel Type: Gasoline and Propane | Start Type: Electric start | VIEW LATEST PRICE | See Our Full Breakdown |
| Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start | ![]() | Best for High Wattage with Remote Convenience | Peak Watts: 12500 | Running Watts: 9500 | Fuel Tank Capacity: 6.6 gallons | VIEW LATEST PRICE | See Our Full Breakdown |
| Westinghouse 14500 Peak Watt Tri-Fuel Portable Generator with Remote Electric Start | ![]() | Best for Versatility and Extended Runtime | Peak Watts: 14500 | Running Watts: 11500 | Fuel Types: Gasoline, Propane, Natural Gas | VIEW LATEST PRICE | See Our Full Breakdown |
| DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator | ![]() | Best Overall Power for Whole-Home Backup | Power Output: 13,000 watts | Fuel Type: Gas & Propane | Start Type: Electric start | VIEW LATEST PRICE | See Our Full Breakdown |
| 2500 Watt Sump Pump Backup Battery System with LCD Remote and Pure Sine Wave Output | ![]() | Best Backup Power for Safe, Interference-Free Operation | Power Output: 2500W | Battery Type: Deep-cycle lithium, AGM, others | Charging Mode: Built-in 25A charger, supports fast and trickle charging | VIEW LATEST PRICE | See Our Full Breakdown |
| generators for running sump pumps in outage | Engine | Start Type |
|---|---|---|
| WEN 6800-Watt Dual Fuel RV-Rea | 224cc dual-fuel engine | — |
| Westinghouse 6500 Watt Dual Fu | 274 CC Westinghouse 4-Stroke OHV | — |
| DuroStar DS13000MX 13,000-Watt | — | Electric start |
| Westinghouse 12500 Watt Dual F | 457cc Westinghouse 4-Stroke OHV | Remote electric and recoil |
| Westinghouse 14500 Peak Watt T | 550cc 4-Stroke OHV | Remote electric start |
| DuroMax XP13000EH 13,000-Watt | — | Electric start |
| 2500 Watt Sump Pump Backup Bat | — | — |
More Details on Our Top Picks
WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator
This inverter generator distinguishes itself with dual-fuel flexibility, allowing operation on gasoline or propane, which is especially useful during outages where fuel availability may vary. Its 224cc engine delivers up to 6800 surge watts, making it capable of running a sump pump efficiently. Compared to the Westinghouse 12500 Watt dual fuel model, the WEN is more portable and easier to handle, though it sacrifices some raw power. Its safety features, like the CO shutdown sensor, enhance reliability during prolonged outages. The inclusion of multiple outlets, USB ports, and wheels makes it adaptable for different backup needs, but all these features contribute to a heavier design that might challenge single-person transport. The setup complexity, with multiple connectors, is a minor inconvenience but worth it for the added versatility. This pick makes the most sense for homeowners needing a reliable, portable backup that can run a sump pump and other essential devices without taking up too much space.
Pros:- Dual-fuel capability for fuel flexibility
- Built-in safety features including CO shutdown sensor
- Multiple outlets including USB ports for various devices
- Portable with wheels and telescoping handle
Cons:- Heavy and potentially challenging to transport alone
- Complex setup with multiple connectors
- Higher price point for advanced features
Best for: Homeowners who want a versatile, portable generator capable of running a sump pump and other household essentials during outages
Not ideal for: Users seeking a lightweight, ultra-compact unit primarily for emergency sump pump operation without additional features
- Engine:224cc dual-fuel engine
- Surge Watts:6800 (gasoline), 6000 (propane)
- Rated Watts:5100 (gasoline), 4500 (propane)
- Receptacles:L14-30R 120V/240V, two 120V, TT-30R RV, 12V DC, two 5V USB
- Fuel Type:Gasoline and propane
- Additional Features:Fuel shutoff, CO Watchdog sensor, onboard wheels, telescoping handle, voltage selector, LPG quick-connector, LPG regulator hose
Our verdict“This generator offers a balanced blend of portability, safety, and versatile fuel options, ideal for homeowners who want reliable backup power for a sump pump and more.”
Westinghouse 6500 Watt Dual Fuel Portable Generator with Transfer Switch and CO Sensor
The Westinghouse 6500 Watt generator offers a strong balance between power and affordability, making it a smart choice for those who need dependable sump pump operation during outages. Its 274 CC engine provides 5300 rated watts on gasoline, slightly less than the DuroStar but sufficient for most home backup needs, especially with a 4.7-gallon tank that can run up to 14.5 hours. Compared to the DuroMax XP13000EH, it’s lighter and easier to move, though it doesn’t deliver the same peak wattage. The inclusion of a CO sensor and transfer switch-ready design adds peace of mind for continuous, safe operation. Its multiple outlets, including an RV-ready TT-30R, cover typical backup requirements. The main tradeoff involves its weight, which may necessitate assistance for transport, and some users note residual fuel or oil odors after factory testing. This generator is well-suited for homeowners seeking reliable, safety-conscious power with good runtime at an accessible price point.
Pros:- Long runtime of up to 14.5 hours on a full tank
- Built-in CO sensor for safety
- Transfer switch ready with multiple outlets
- Includes essential accessories for setup
Cons:- Relatively heavy, may need assistance to move
- Residual fuel or oil odor after factory testing
Best for: Homeowners looking for an affordable, long-running generator with essential safety features for sump pump backup
Not ideal for: People who require the highest wattage or a lightweight, easily portable unit for frequent moving
- Gasoline Wattage:6500 Peak / 5300 Running Watts
- Propane Wattage:5800 Peak / 4800 Running Watts
- Fuel Tank Capacity:4.7 gallons
- Run Time:Up to 14.5 hours
- Engine:274 CC Westinghouse 4-Stroke OHV
- Additional Features:CO sensor, transfer switch ready, rubber outlet covers
Our verdict“This generator offers dependable power and safety features at a budget-friendly price, ideal for homeowners prioritizing long runtime and safety for sump pump operation.”
DuroStar DS13000MX 13,000-Watt Dual Fuel Portable Generator
The DuroStar DS13000MX stands out for its massive 13,000-watt output, making it suitable for running a sump pump alongside multiple other household devices during extended outages. Its all-metal construction and electric start add durability and ease of use. Compared with the Westinghouse 6500 Watt, it delivers almost double the power, ideal for homes with larger sump pumps or multiple backup appliances. The tradeoff comes in weight, as this model is quite heavy, requiring assistance for transport and setup. Its size also means it takes up more space, which could be a concern for smaller storage areas. Noise levels are higher, which might be a consideration in quiet neighborhoods. This generator is best suited for users who need maximum power capacity and don’t mind handling a heavier, less portable unit for reliable sump pump operation during prolonged outages.
Pros:- High 13,000-watt power output for whole-home backup
- Dual fuel capability with long run times
- Durable all-metal construction
- Electric start for easy operation
Cons:- Very heavy and difficult to move alone
- Takes up significant space and generates more noise
Best for: Homeowners with large sump pumps or multiple backup loads needing maximum power and durability
Not ideal for: Those requiring a lightweight, portable option for occasional sump pump backup
- Power Output:13,000 Watts
- Fuel Type:Gasoline and Propane
- Start Type:Electric start
- Transfer Switch Ready:Yes
- Construction:All-metal
- Outlet:50-Amp
Our verdict“This generator provides extensive power for large homes or multiple appliances, ideal for those who prioritize raw capacity over portability.”
Westinghouse 12500 Watt Dual Fuel Portable Generator with Remote Electric Start
The Westinghouse 12500 Watt generator offers a substantial power reserve with 12,500 peak watts and 9,500 running watts, making it suitable for running larger sump pumps and multiple household devices during outages. Its remote electric start adds convenience, especially in cold or difficult conditions. Compared to the DuroMax XP13000EH, the Westinghouse is somewhat lighter and easier to handle, though it still requires effort to move. The long runtime of up to 12 hours on a full tank supports extended outages, and multiple outlets, including transfer switch-ready and RV outlets, cover diverse backup needs. Some users note that it may be noisy during operation, and weight remains a consideration. This model is well-suited for users who want high wattage combined with remote start capability without the bulk of the largest units.
Pros:- High wattage for large sump pumps and multiple devices
- Remote electric start for convenience
- Multiple outlets including transfer switch and RV ports
- Long runtime of up to 12 hours
Cons:- Heavy weight, may require assistance
- Potentially noisy during operation
Best for: Homeowners wanting high wattage with remote electric start and ease of use for sump pump backup
Not ideal for: Those seeking the lightest or most portable generator for quick, occasional use
- Peak Watts:12500
- Running Watts:9500
- Fuel Tank Capacity:6.6 gallons
- Run Time:Up to 12 hours
- Engine:457cc Westinghouse 4-Stroke OHV
- Start Type:Remote electric and recoil
Our verdict“This generator combines high wattage with remote start for convenient, reliable backup power during outages, especially for demanding sump pump needs.”
Westinghouse 14500 Peak Watt Tri-Fuel Portable Generator with Remote Electric Start
The Westinghouse 14500 Watt tri-fuel generator offers remarkable flexibility, allowing operation on gasoline, propane, or natural gas. Its 550cc engine ensures long runtime—up to 19 hours on gasoline—making it suitable for extended outages where sump pump operation is critical. Compared to the other models, its tri-fuel capability provides unmatched fuel versatility, especially useful when fuel supplies are limited or unpredictable. The low THD makes it safe for sensitive electronics, and the remote electric start adds convenience. However, its weight and size are significant, making transport and storage more challenging. Residual odors from factory testing may be an issue for some users. This unit fits best for homeowners who require long-lasting, flexible backup power with the ability to run a sump pump for extended periods.
Pros:- Tri-fuel versatility for extended fuel options
- Long runtime of up to 19 hours on gasoline
- Low THD safe for electronics
- Remote electric start for convenience
Cons:- Heavy and bulky, difficult to move
- Potential residual fuel or oil odor after factory testing
Best for: Homeowners needing maximum runtime and fuel options for prolonged outages with a sump pump
Not ideal for: Users with limited storage space or those seeking a lightweight, portable unit
- Peak Watts:14500
- Running Watts:11500
- Fuel Types:Gasoline, Propane, Natural Gas
- Engine:550cc 4-Stroke OHV
- Run Time:Up to 19 hours (gasoline)
- Start Type:Remote electric start
Our verdict“This tri-fuel generator excels in extended outages, providing maximum flexibility and long runtime for critical sump pump operation.”
DuroMax XP13000EH 13,000-Watt Dual Fuel Portable Generator
The DuroMax XP13000EH stands out for its tremendous power, making it an excellent choice for users who need to keep their sump pumps running during extended outages. Compared to smaller, inverter-style generators like the 2500 Watt Sump Pump Backup System, it can handle larger loads and multiple appliances simultaneously. Its dual fuel capability adds flexibility, allowing users to switch between gas and propane based on availability, which can be a real advantage during prolonged storms. However, this power comes with increased weight and size, making it less portable than smaller generators. The all-metal frame and copper windings boost durability, but the unit’s size and weight mean it might require dedicated storage space and multiple people to move it. This model is best suited for homeowners with high power demands or those who want a reliable backup for entire household systems, including sump pumps.
Pros:- Powerful 13,000-watt dual fuel output suitable for whole-home backup
- Durable all-metal construction with copper windings for longevity
- Versatile use for home, RV, or jobsite applications
- Includes transfer switch-ready 50 amp outlet for easy integration with home wiring
Cons:- Heavy and bulky, making transportation and storage challenging
- Higher cost compared to smaller portable units
- Size may require dedicated storage space
Best for: Homeowners seeking a reliable, high-capacity generator capable of running their sump pump and other essential appliances during multi-day outages.
Not ideal for: Casual users or those with limited storage space who only need a small, lightweight backup solution for their sump pump.
- Power Output:13,000 watts
- Fuel Type:Gas & Propane
- Start Type:Electric start
- Outlets:Multiple including transfer switch-ready 50 amp
- Construction:All-metal frame
- Winding Material:100% copper
- Tires:No-flat tires
Our verdict“This generator is ideal for homeowners who need substantial power and durability for whole-home backup during outages, accepting the tradeoff of portability and cost.”
2500 Watt Sump Pump Backup Battery System with LCD Remote and Pure Sine Wave Output
The 2500 Watt Sump Pump Backup System offers a dependable, clean power source tailored specifically for sump pumps, making it a strong alternative to larger generators like the DuroMax XP13000EH. Its pure sine wave output ensures safe operation of sensitive electronics and prevents interference, which is especially important if your sump pump has advanced controls. The inclusion of an LCD remote for real-time monitoring simplifies system management during outages, providing visibility into battery status and voltage without the need to access the unit directly. While its 2500W capacity limits it to only sump pumps and small appliances, this focus makes it more efficient and easier to install than bulkier generators. However, it’s not suitable for high-demand appliances or multiple devices simultaneously, and proper mounting is essential for optimal performance. This solution is best for users who prioritize a reliable, interference-free backup specifically for sump pump operation.
Pros:- Provides clean, pure sine wave power safe for sensitive electronics
- Includes LCD remote for easy, real-time system monitoring
- Supports multiple battery types with overcharge protections
- Simple to install with no extra wiring needed
Cons:- Limited to 2500W capacity, not suitable for larger appliances
- Requires proper mounting for stable operation
- Not compatible with non-deep-cycle batteries
Best for: Homeowners needing a dedicated, safe sump pump backup that is easy to install and monitor during outages.
Not ideal for: Users looking to run multiple household appliances or larger power loads during outages, as capacity is limited to 2500W.
- Power Output:2500W
- Battery Type:Deep-cycle lithium, AGM, others
- Charging Mode:Built-in 25A charger, supports fast and trickle charging
- Protection Features:Overheat, overload, short circuit, low voltage, overcharge
- Remote Control:Yes, LCD display
- Installation:Wall mount or flat placement
- Warranty:12 months
Our verdict“This backup system makes the most sense for homeowners seeking a dedicated, easy-to-manage sump pump power solution during outages, accepting its limited capacity.”

How We Picked
To determine the best generators for running sump pumps, I focused on key criteria such as power capacity, fuel versatility, ease of use, and safety features. Reliability during prolonged outages was a top priority, so models with robust engines and stable voltage output ranked higher. I also considered user-friendly features like electric start and low noise levels, which improve daily usability. Cost was balanced against performance, favoring options that offer good value without sacrificing essential features. These factors helped me create a ranking that favors both dependable operation and practical convenience during emergencies.| generators for running sump pumps in outage | Start Type |
|---|---|
| WEN 6800-Watt Dual Fuel RV-Rea | — |
| Westinghouse 6500 Watt Dual Fu | — |
| DuroStar DS13000MX 13,000-Watt | Electric start |
| Westinghouse 12500 Watt Dual F | Remote electric and recoil |
| Westinghouse 14500 Peak Watt T | Remote electric start |
| DuroMax XP13000EH 13,000-Watt | Electric start |
| 2500 Watt Sump Pump Backup Bat | — |
Factors to Consider When Choosing Best Generators For Running Sump Pumps In Outages
Selecting the right generator for your sump pump involves understanding several important factors that impact performance, safety, and usability. Beyond initial wattage, considerations like fuel type, transfer switch compatibility, and noise levels can significantly influence your experience. Making an informed choice involves balancing these features with your specific needs and budget. Here are the key factors to evaluate:Power Capacity and Surge Rating
Choosing a generator with sufficient wattage is essential to reliably run your sump pump, especially during heavy rainfall or flooding. Look for models that can handle the continuous load of your pump, plus some margin for startup surges. Oversizing slightly ensures your generator won’t be strained or cause voltage fluctuations, which could damage your pump or other connected devices. Remember, the highest wattage isn’t always necessary if your pump’s power needs are moderate, but undersizing risks failure during critical moments.
Fuel Type and Runtime
Generators come in gasoline, propane, dual-fuel, and tri-fuel options. Dual-fuel models offer greater flexibility and longer runtimes, which is particularly helpful during extended outages. Propane tends to be cleaner and more stable, but may require additional setup. Gasoline is widely available but can be less reliable for long-term storage. Consider your typical outage duration and fuel availability when selecting a model to ensure your sump pump stays operational when it matters most.
Transfer Switch Compatibility
A transfer switch simplifies connecting your generator directly to your home’s electrical system, reducing safety hazards and preventing back-feeding. Not all portable generators support this feature, so if you want seamless operation, verify compatibility beforehand. Installing a transfer switch is an upfront cost but provides peace of mind by allowing automatic or manual switching without unplugging devices. This is especially valuable if outages are frequent or if you want a safer, more convenient backup system.
Ease of Use and Portability
Features like electric start, compact size, and manageable weight make regular use and emergency setup easier. Quiet operation is also worth considering if your sump pump is located near living spaces or neighbors. Portability matters if you need to move your generator around or store it easily. While larger models may deliver more power, they often sacrifice portability and convenience, so balance these aspects based on your available storage space and physical ability to handle the unit.
Price, Durability, and Maintenance
Investing in a durable, well-built generator reduces the risk of breakdowns during critical moments. Higher-quality units generally come with better warranties, easier maintenance, and longer lifespan. However, price can vary significantly; premium models often include advanced safety features and quieter operation, justifying the cost for frequent users. On the other hand, budget options may suffice for occasional use but might require more frequent repairs or upgrades over time. Consider your budget alongside long-term reliability when making your choice.
Frequently Asked Questions
How much backup power do I need to run my sump pump during an outage?
The total wattage your sump pump requires is the starting point. Most sump pumps run between 800 to 1500 watts, but some heavier-duty models may need more. To ensure reliable operation, choose a generator with at least 20-25% more wattage than your pump’s running load to account for surge power during startup. If you plan to run additional devices simultaneously, factor that into your total power needs. Having a buffer helps prevent overloads and ensures your sump pump operates smoothly during critical times.
Is a portable generator enough, or should I consider a standby system for my sump pump?
For most homeowners, a portable generator paired with a transfer switch offers sufficient backup power for sump pumps, especially during frequent outages. Standby systems, which are permanently installed and automatically activate during power failures, provide more seamless and reliable operation but come with higher costs and installation complexity. Consider your outage frequency, budget, and preference for convenience. Portable units are flexible and easier to upgrade, but standby systems offer greater reliability and minimal intervention when seconds count.
Can I run my sump pump directly from a small inverter generator?
Small inverter generators typically lack the wattage capacity needed for most sump pumps, which can surge significantly at startup. While some high-capacity inverter models can handle moderate loads quietly, they generally aren’t suitable for heavy-duty pumps. If you plan to use an inverter generator, verify its continuous wattage and surge capacity match your pump’s requirements. For most situations, a larger, dual-fuel portable generator provides more reliable power during outages, especially for high-demand pumps.
What safety features should I look for in a generator powering my sump pump?
Safety features like CO (carbon monoxide) sensors and automatic shutoff protect against dangerous fumes and electrical faults. Transfer switch compatibility adds safety by preventing back-feeding into the grid, which can pose risks to utility workers. Look for models with circuit breakers, low-oil shutoff, and stable voltage output to avoid damaging your sump pump. These features ensure reliable operation while minimizing risks during prolonged use in emergency situations.
How often should I perform maintenance on my generator used for sump pumping?
Regular maintenance is essential for reliable operation during emergencies. Check the oil level and change it according to the manufacturer’s recommendations—typically after 50-100 hours of use. Inspect and replace the air filter periodically, and run the generator under load at least once a month to keep it ready. Proper maintenance extends the lifespan of your generator and ensures it will start and operate effectively when needed most.
Conclusion
For widespread household use, the Westinghouse 6500 Watt Dual Fuel Portable Generator offers a solid balance of power, safety features, and affordability, making it an excellent choice for most homeowners. If you prioritize maximum runtime and automatic operation, investing in a premium model like the Westinghouse 14500 Peak Watt Tri-Fuel Generator suits those with frequent outages. Beginners or those with limited space should consider compact or inverter options like the WEN 6800-Watt Dual Fuel Generator for ease of use. Budget-conscious buyers can find reliable performance in mid-range models, while those needing the highest capacity should look at heavy-duty, professional-grade systems. Your ideal choice depends on your specific power needs, budget, and how often outages occur.
College move-in / dorm season Picks
dorm essentials
As an affiliate, we earn on qualifying purchases.








