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10 Best Power Generators 2025 in the United States

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Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

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Our Top Picks

#1

Winner

DuroMax XP13000E 13,000-Watt Gas Powered Portable Generator - Electric Start, Whole Home Backup Power, Transfer Switch Ready, RV & Emergency Ready

Rating
9.9
Chosen by1,456
Power Output (Wattage)
Noise Level
Start Type

Most important from
549 reviews

Power Output (Wattage)
The voltage held well under a good electrical load, making it a reliable choice for whole house power.
Noise Level
It was much quieter than expected, even when connected to the whole house.
Start Type
This generator started up right out of the box and worked flawlessly during a 3-day power outage.

The DuroMax XP13000E is a robust 13,000-watt portable generator designed to handle heavy loads, making it ideal for both residential and commercial use. It boasts a powerful 500cc OHV engine and can run on gasoline, ensuring long-lasting power. This generator is equipped with a variety of outlets, including 120/240V 50A and 30A twist lock outlets, which offer great versatility for different applications.

The electric start feature simplifies operation while the foldable handle and wheels enhance portability despite its heavy weight of 236 pounds. Additionally, it includes useful features like a CO sensor, hour meter, and low oil shutdown for safety and maintenance.

Potential drawbacks include its significant weight, which may affect mobility, and the noise level, which could be higher due to its powerful engine. Moreover, it has a relatively small fuel tank capacity of 0.5 gallons. This generator provides ample power and numerous features, making it best suited for users who need substantial power supply and have the capability to manage its weight and noise levels.

Rating
9.9
Chosen by1,456
Power Output (Wattage)
Noise Level
Start Type

Most important from
549 reviews

Power Output (Wattage)
The voltage held well under a good electrical load, making it a reliable choice for whole house power.
Noise Level
It was much quieter than expected, even when connected to the whole house.
Start Type
This generator started up right out of the box and worked flawlessly during a 3-day power outage.
#3

Generac Guardian 24kW Home Standby Generator with 200 Amp Transfer Switch, Durable All Aluminum, WiFi Enabled with G-Force Engine, Easy to Use, Whole House Power Backup, Smart Outage Solution - Bisque

Rating
9.7
Fuel Type
Noise Level
Start Type

Most important from
433 reviews

Fuel Type
The generator is much quieter than expected, even when running on LP gas.
Noise Level
The generator is much quieter than expected, even when running on LP gas.
Start Type
The generator kicked in automatically during power outages and ran flawlessly, providing electricity to the entire house.
Outlets and Connectivity
Generac's mobile link feature allows for convenient remote monitoring and alerts.

The Generac Guardian 24kW Home Standby Generator is a robust option for whole-house power backup. With a high power output of 24,000 watts, it provides ample electricity to keep your home running smoothly during outages. Its True Power Technology ensures clean and stable power, which is essential for sensitive electronics. The inclusion of a 200 Amp transfer switch means it can handle substantial electrical loads, making it suitable for larger homes.

The generator uses either natural gas or LP gas, offering flexibility in fuel types based on availability and preference. The G-Force engine is designed for reliability and reduced maintenance, which is a significant advantage for long-term use. Another notable feature is the Wi-Fi connectivity, allowing remote monitoring of the generator's performance and maintenance alerts, enhancing user convenience and peace of mind. The all-aluminum construction ensures durability, and the unit comes with a 5-year limited warranty, further supporting its long-term reliability.

At 455 pounds, it is not portable, and installation requires a certified and licensed electrician, which may add to the initial cost and complexity. Additionally, it has only one power outlet, which might limit direct connectivity options for some users. Despite these drawbacks, its quiet operation and efficient fuel usage make it a solid choice for residential use, particularly for those seeking a dependable and high-performing standby generator.

Rating
9.7
Fuel Type
Noise Level
Start Type

Most important from
433 reviews

Fuel Type
The generator is much quieter than expected, even when running on LP gas.
Noise Level
The generator is much quieter than expected, even when running on LP gas.
Start Type
The generator kicked in automatically during power outages and ran flawlessly, providing electricity to the entire house.
Outlets and Connectivity
Generac's mobile link feature allows for convenient remote monitoring and alerts.

Buying Guide for the Best Power Generators

Choosing the right power generator can be a crucial decision, whether you need it for home backup, camping, or work sites. The right generator will ensure you have a reliable power source when you need it most. To make an informed decision, you need to understand the key specifications and how they align with your specific needs. Here are the main specs to consider when selecting a power generator.
Power Output (Wattage)Power output, measured in watts (W), indicates how much electricity the generator can produce. This is crucial because it determines what and how many devices you can power simultaneously. Generators come in various wattage ranges: small generators (up to 2000W) are suitable for light use like camping or powering small appliances; medium generators (2000W-7000W) can handle more substantial loads like home appliances and power tools; large generators (7000W and above) are ideal for whole-house backup or heavy-duty work sites. To pick the right one, list the devices you need to power and their wattage requirements, then choose a generator that can handle the total load.
Fuel TypeGenerators can run on different types of fuel, including gasoline, diesel, propane, and natural gas. The fuel type affects the generator's efficiency, cost of operation, and convenience. Gasoline generators are common and easy to refuel but may not be as efficient for long-term use. Diesel generators are more fuel-efficient and durable but can be noisier and more expensive. Propane generators offer cleaner burning and longer shelf life for the fuel but may require more storage space. Natural gas generators are convenient for home use if you have a natural gas line but are less portable. Choose the fuel type based on availability, cost, and your specific use case.
Run TimeRun time refers to how long a generator can operate on a full tank of fuel. This is important for planning how often you will need to refuel, especially during extended power outages or long workdays. Generators with longer run times (8-12 hours or more) are ideal for overnight use or continuous operation, while those with shorter run times (4-8 hours) may be sufficient for intermittent use. Consider your typical usage patterns and how often you can refuel when choosing a generator with the appropriate run time.
PortabilityPortability is a key factor if you need to move the generator frequently or use it in different locations. Portable generators are designed with wheels and handles for easy transport, making them suitable for camping, outdoor events, or job sites. Stationary generators, on the other hand, are larger and meant to be installed in a fixed location, providing a permanent power solution for homes or businesses. Assess your mobility needs and choose a generator that offers the right balance of power and portability.
Noise LevelThe noise level of a generator, measured in decibels (dB), can impact your comfort and compliance with local noise regulations. Quieter generators (50-65 dB) are ideal for residential areas, camping, or events where noise can be a disturbance. Louder generators (65-80 dB or more) may be acceptable for construction sites or remote locations where noise is less of a concern. Consider where and how you will use the generator and choose one with an appropriate noise level to ensure it meets your needs without causing disruptions.
Start TypeGenerators can have different start types, including manual recoil start, electric start, and remote start. Manual recoil start requires pulling a cord to start the engine, which can be physically demanding. Electric start uses a push-button or key to start the generator, offering more convenience. Remote start allows you to start the generator from a distance using a remote control, adding an extra layer of convenience. Choose the start type based on your preference for ease of use and physical capability.
Outlets and ConnectivityThe number and type of outlets on a generator determine how many devices you can connect and what kind of plugs you can use. Common outlet types include standard household outlets, 30-amp or 50-amp RV outlets, and USB ports. Some generators also offer connectivity features like Bluetooth or Wi-Fi for remote monitoring and control. Consider the devices you need to power and ensure the generator has the appropriate outlets and connectivity options to meet your needs.

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