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Description
Zoom on the Generac GP15000E
In summary, the Generac GP15000E is a powerful portable generator especially useful for:
- Professionals in need of safely powering high-intensity work or lighting equipment
- Homeowners who wish to power almost all appliances in their house under any circumstances
In the following paragraphs, we shall explore the power characteristics, available outlets, portability and any additional features of the device, along with its emission compliance parameters.
Power & Run Time
The Generac GP15000E
The Generac GP15000E's engine, 992 cc Generac OHVI 4-stroke, fueled by gasoline, can deliver 120/240V. It provides a running wattage of 15000W and reaches a peak wattage of 22500W.
This generator gets running thanks to a convenient and easy-to-use electric starter (battery included).
With a fuel capacity of 16 gallons, the GP15000E may run for around 10 hours at 50% load with a full tank (fuel consumption around 1.6 GPH).
The quite high THD (<20%) of the GP15000E makes it unsuitable for powering sensitive of electronic devices.
- For camping/tailgating: 1 hair dryer, 1 electric grill, 1 electric fry pan, 1 microwave (1000 watts), 1 radiant heater, 1 RV AC (11,000 BTU), 1 toaster oven, 1 rice cooker, 1 coffee maker, 1 blender and 1 cell phone charger
- At home: 1 electric range, 1 hair dryer, 1 electric grill, 1 electric fry pan, 1 microwave (1000 watts), 1 AC (10,000 BTU), 1 vacuum cleaner, 1 radio and 1 cell phone charger
- For work: 1 grinder, 1 demolition hammer, 1 pressure washer (1 hp), 1 circular saw, 1 electric nail gun, 1 belt sander, 1 concrete vibrator (1 hp), 1 work light, 1 hammer drill, 1 drill and 1 bug zapper
Outlets
The control panel features the following 8 AC outlets:
It also sports 1 DC outlet: there's a 12V 10A receptacle with which you may charge your batteries with ease.
This Generac generator features an L5-30R receptacle, enabling an easy RV connection via an L5-30P to TT-30R adaptor. However, it is still not quite RV ready. Besides, since the GP15000E bears a twist-lock L14-30R receptacle, it is transfer switch ready: it is easily connectible to a breaker box and can power your home in case of a power outage.
Portability
The design of the Generac GP15000E is a typical, open frame, with the dimensions of L48.5 x W31 x H39.5 in, offering support and stability and enabling the possibility of raising it above ground level. The design is ideal for rough environments and demanding outdoor use.
Since the generator weighs 363 lbs, it will be incredibly difficult to manually lift it and transport it, even though it is technically considered to 'be portable' (in the sense that it is movable). Still, once it is on the ground, a wheel kit (⌀12.3") and a handle can easily solve the issue of low mobility and allow for easy relocation of the device.
The generator comes with an additional safety feature, a lift hook on the top of its frame, which is helpful during its transport, loading and unloading.
Features
The GP15000E's control panel
Monitoring of the GP15000E's status and activity is made possible by an illuminated data center, which provides information on the lifetime run hours and is one of the features of its control panel.
The generator allows for a quick, easy and convenient assessment of its gas level, as it is equipped with a built-in fuel gauge.
As far as security is concerned, the generator can be used with a peace of mind, as it features an automatic low oil shut-off and an overload protection (circuit breaker).
With the basic documentation and a user manual, letting you start the generator quickly, the Generac GP15000E also comes with several accessories, including: funnel and tool kit.
Emissions
The Generac GP15000E is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.
Moreover, it features a spark arrestor, which makes it suitable for use in forested areas.
The Generac GP15000E versus other generators
The following charts are provided to give you an idea of how some of the key specs of the Generac GP15000E compare to generators of similar power (between 10000 and 17500 W).
- At a dry weight of 363 pounds, the Generac GP15000E is one of the heavier devices which can produce between 10000 and 17500 running watts. In terms of weight, one of the champions in their power range is the A-iPower SUA13000EFI, standing at just 218 lbs.
- As the GP15000E features an autonomy of 10 hours at 50% load, it has a higher run time than an average generator of its power range. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Cat RP12000 E, as it provides 11.7 hours.
- While the run time is an important parameter, it is dependent on the fuel tank’s capacity and thus, doesn’t say much on its own unless we consider fuel consumption as well. This generator is not fuel efficient compared to devices of similar output: its estimated fuel consumption stands at 1.6 GPH at a 50% load. If you wish to acquire one of the most gasoline efficient products of this power range, the A-iPower SUA13000EFI, with a fuel consumption of 0.78 GPH could be in your good books.
Price comparison
As you can see from this dynamic chart, when compared to other 10000-17500W generators, the Generac GP15000E is on the average side of the price range.
Therefore, this generator nicely fits in the expected budget for this kind of product.
The bottom line
- In the expected price range
- Several accessories included
- Electric start
- High run time
- No recoil back-up
- No remote start
- Not CARB-compliant
- On the heavy side (363 lbs)
- Low fuel efficiency
Where to buy the Generac GP15000E?
Amazon 
eBay 
The Home Depot Features and Specifications
General
| Inverter | No |
|---|---|
| Portable | Yes |
| Parallel capable | No |
| RV ready | No |
| Fuel | Gasoline |
| Engine | 992 cc Generac OHVI 4-stroke |
| Starting system | Electric |
Power
| Voltage | AC: 120/240V 60 Hz, DC: 12V |
|---|---|
| Running watts | 15000 W |
| Starting watts | 22500 W |
| Running amps (@120/240V) | 125/62.5 amps |
| Peaks amps (@120/240V) | 187.5/93.8 amps |
| Run time @50% load | 10 h |
| Run time @25% load | N/A |
Features
| GFCI outlets | Yes |
|---|---|
| Covered outlets | No |
| Automatic Voltage Regulation | Yes |
| AC outlets | 1x Duplex 120V 20A (5-20R) GFCI 1x Duplex 120V 20A (5-20R) 2x 120V 30A (L5-30R) 1x 120/240V 30A (L14-30R) 1x 120/240V 50A (14-50R) |
| DC outlets | 1x 12V 10A receptacle |
| Data center | Lifetime run hours |
| Indicators | No |
| Fuel tank | 16 gal |
| Fuel gauge | Yes |
Misc
| Weight | 363 lbs |
|---|---|
| Dimensions (L x W x H) | 48.5 x 31 x 39.5 in |
| Noise (lower limit) | N/A |
| THD | < 20% |
| Emissions | EPA |
| Security | Low oil and overload protection |
| Spark arrestor | Yes |
| Neutral | Floating |
| Accessories included | Funnel and tool kit |
| Warranty | 2 years |
Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.
About Generac
Generac Power Systems is an American based generator and power equipment manufacturer, founded in 1959. As its name suggests, the main focus of Generac are power generators, and other related electric equipment, such as switches, paralleling systems and small engines. The company has several manufacturing facilities based in the US, thus, their products are made in the USA. However, the company provides no information about the origin of their components.
Warranty Information
The Generac GP15000E is covered under a warranty for up to 2 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Generac generators, please consult Generac's warranty policies. Alternatively, you can also contact their Customer Support: 1-888-GENERAC (888-436-3722).
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