What Is The Best 15000 Watt Generator?

Generators with 15000 watts of power typically produce 15000 peak watts and 12000 running watts, and they can be used during power outages and for a variety of other purposes.

It is able to handle the load of a home with air conditioner, freezer, heating system, microwave oven, coffee maker, lights, fans, and mini electronics easily. 

A generator can also be used for outdoor activities such as the larger RVs (check out remote start RV generators) with large power requirements, musical concerts, outdoor games, etc. 

The generators can also be useful for remote job sites, such as welding (you can also check other welding options), construction sites, DIY projects, and running offices remotely.

Having conducted extensive research and analysis, we have listed the five best 15000 generators in this article. Also, we mention whether the generator is CARB-compliant and EPA-approved.

List Of Best 15000 Watt Generators — Editor’s Top Choices

A gasoline powered traditional portable generator, the Westinghouse WGen12000 is ranked as the best 15000 generator.

The unit can be started conveniently with a remote control or with an electric push button, and it makes 74 decibels of noise. There is a smart idle feature that conserves fuel. 

It produces 15000 starting watts and 12000 running watts, and it can run upto 11 hours at half load on a 10.5 gallon gasoline tank. The current has a THD under 5% that is suitable for sensitive electronics.

Weighting 403 pounds, the wheel kit and foldable handles make it easy to transport and store. 

The panel has a VFT display that displays voltage, frequency, and runtime in real time.

There are four 120V 20A common house outlets, one 120V 30A twist lock outlet, one 120/240V 30A twist lock outlet, one 120/240V 50A RV outlet, and two 5V USB ports. All outlets are covered.

There is a transfer switch on the panel. It has overload protection and low oil auto shut-down technology for safety reasons. In case of high CO levels it does not automatically shut down.

The unit is CARB compliant and EPA approved, so it is eco-friendly.

The DuroMax XP15000E is a gasoline-powered traditional portable generator ranked second as the best 15000 watt generator.

It is powered by a 713cc V twin engine that generates 15000 starting watts and 12500 running watts.

Its 10.6 gallon gasoline tank can provide 8 hours of runtime at half load, and its operating noise is approximately 83 decibels.

Due to its portability and all-metal body, it can easily be transported and stored anywhere. It weighs 380 pounds, has wheels, and foldable handles.

The panel has four 120V 20A common house outlets, one 120V 30A twist lock outlet, one 120/240V 30A twist lock outlet, and one 120/240V 50A RV outlet.

There is a 4-mode digital meter on the panel that gives information about voltage, frequency, a particular session time, and the unit’s total runtime.

Among its security features is overload protection, and low oil auto shutdown technology that protects the unit and plugged devices from damage. The generator meets both EPA and CARB regulations.

Champions generators are reliable and receive a lot of applause from users on different websites. Champion’s 100111 is a gasoline-powered portable generator ranked third as the best 15000 watt generator.

It features an electric start method backed up by a battery and generates 15000 watts and 12000 watts running power using the 717 V-Twin champion engine.

Featuring a foldable handle and a never flat tires kit, transportation and storage are effortless. The generator weighs 329.6 pounds and is made entirely of steel, which makes it very durable.

The 10.9 gallon gasoline tank allows the machine to run for nine hours at half load, so you can use it at least for a day once you’ve refilled the tank.

There are four 120V/20A GFCI outlets, one 120V/30A twist lock outlet, a 120/240V 30A twist lock outlet, and one 120/240V 50A RV outlet. All outlets are covered for safety.

It has an intelligent display that displays session runtime, total runtime, voltage, frequency, and output. It produces 78 decibels of sound from 23 feet away.

The low oil shut off protects the generator by automatically turning it off. It is also protected from surge voltages by a voltage guard. The voltage is automatically regulated by a voltage regulator.

The generator is CARB-compliant, EPA-certified, and ETL-listed. 

Generac’s GP15000E is a gasoline-powered, portable generator ranked 4th as the best 15000 watt generator.

The 992cc engine delivers 22500 starting watts and 15000 running watts, and it can start using the electric start method. 

It can run for 10 hours at half load on a 16 gallon gasoline tank, and it produces 83 dB of sound. This produces current with a THD >20%, which is dangerous for sensitive electronics.

The generator is very portable and can be stored and carried anywhere. It weighs 373 pounds and has wheels and solid handles. It also has a fuel gauge that helps determine when refueling is necessary.

Among its outlets, it has two 120V 20A common house outlets, two 120V 20A GFCI outlets, two 120V 30A twist lock outlets, one 125/250 30A twist lock outlet, one 120V 10A DC outlet to charge batteries.

Idle mode improves fuel efficiency and reduces noise. The panel has an hour meter, but no multimer. 

It is equipped with automatic low oil shut-down technology, as well as an automatic voltage regulator to protect your investment. This unit is EPA-approved but not CARB-compliant, and cannot be used in California. 

A-iPower SUA15000EC is a gasoline-powered traditional generator ranked 5th as the best 15000 generator.

Utilizing its 680cc engine, it has a peak power output of 15000 watts and a running power output of 12000 watts. From a distance, it produces 85 dB of sound.

On an 8 gallon gasoline tank, it can run for up to 7 hours at half load. The weight of 392 pounds, the wheel kit, and solid handles make it easy to carry. 

The panel has two 120V 20A GFCI outlets, one 120V 30A twist lock outlet, one 120/240V 30A twist lock outlet, one 120/240V 50A RV outlet, and one 12V 8.3A DC outlet for charging external batteries.

It displays voltage, frequency, and runtime on a VFT display. A fuel gauge makes it easy to monitor the level of fuel. 

It is protected from damage by overload protection and low oil auto shutdown. It is CARB-compliant and EPA-approved.

Conclusion

Out of all the generators available in the market, we selected the five best 15000 watt generators. According to our analysis, the Westinghouse WGen12000 is the best generator that produces 15000 peak watts.