Generator cost for home: How Much Does a Whole House Generator Cost?
How Much Does a Whole House Generator Cost?
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Home backup generators are quickly becoming a necessity in many parts of the world.
Winter storms, forest fires, hurricanes, and other extreme weather events are constantly stressing the aging power grid and leaving many families without power for weeks at a time.
Installing a whole-house backup generator can ensure that your family’s basic needs will be met, even amid a prolonged blackout.
Depending on the model you choose, a home backup generator can power your home exclusively with fossil fuels like gas or diesel — or with clean, renewable solar power.
The upfront investment and installation costs vary widely depending on the type of generator, manufacturer, output capacity, and fuel source.
Read on to learn more about what impacts home backup generator costs — and which solution is right for you.
How Much Does a Whole House Generator Cost?
Depending on the output capacity and quality of manufacture, a gas-fueled whole-house generator may cost anywhere between $1,000 to over $20,000. The average cost is around $5,000. How much electricity your household needs during an extended blackout will go a long way toward determining your initial and ongoing expenses.
EcoFlow Whole Home Backup Power Solutions are a battery-powered alternative to traditional gas generators. All of EcoFlow’s portable power stations allow solar charging from optional solar panels. These modern systems enable you to convert your home to off-grid solar power incrementally and at your convenience.
You can use portable power stations and solar panels full-time to offset your reliance on grid power or to store reserve energy for blackouts. Whole-house solar generators like the EcoFlow DELTA Pro have a starting price of around $3,700.
Factors That Influence the Cost of a Home Backup Generator
There are additional costs to consider other than just the initial purchase price when installing a home backup generator. You may also need connectors, a transfer switch, permits, and professional installation. The output capacity, type, and fuel source of your generator also play a significant role in ongoing and final costs.
Generator Size and Output Capacity
Large gas generators with higher output capacity typically cost more to purchase and operate. Gas generators generally run at full power whenever they are on, and the more electricity you consume, the more gas gets guzzled.
The impact of output capacity on fuel consumption differs when using solar generators and portable power stations. These devices can generate electricity using solar panels — and store energy from other sources like household AC power or your car. They don’t require constant fossil fuel consumption to operate.
The price ranges of a gas generator depend on their output capacity, measured in kWh:
- A 10 kWh gas generator can only support a relatively small amount of electricity usage during a power outage. These units are between $3,000 and $4,000.
- A 20 kWh will keep essential appliances and lights running during a blackout. Units of this size will cost between $7,000 and $12,000.
- A 38 kWh model is sufficient for the average family to fuel a home during a power outage. These units can cost between $13,000 and $16,000.
- A 48-50 kWh gas generator will cost between $17,000 and $20,000. This capacity is the largest size sold in most big-box hardware stores.
Generator Type
The type of generator also impacts the cost. The most common generator types are below:
Portable Generators
A basic gas-powered portable generator should not cost more than $1000, depending on the output capacity.
However, these devices are extremely loud and create greenhouse gases and particulate pollution. Portable gas generators are not practical for indoor use during a power outage — using one indoors can be deadly. You can’t use portable gas generators as a whole-house backup solution.
Portable Power Stations
Portable power stations are a step up from the traditional gas generator. Most incorporate lithium-ion or LiFePo$ batteries, operate in near silence, and don’t generate toxic fumes or harmful emissions.
Some models — such as the EcoFlow DELTA Pro Portable Power Station — can also operate as a solar generator by adding solar panels. Portable power stations may cost $3,000-5000 up front, but solar panels can eliminate the ongoing operational costs of burning fossil fuels.
Standby Generators (Natural Gas)
Standby generators are permanent installations integrated into your home’s electrical panel and natural gas line. A standby generator will kick on within moments of the power going out and start producing electricity for the home.
Depending on the capacity, the standby model may cost $10,000-$20,000.
Inverter Generators
Inverter generators are an advanced version of portable gas generators. Most gas generators always run at full throttle. An inverter generator can adjust the engine intensity as needed. It helps consume less gas and reduce the noise and pollution associated with gas generators.
These units will cost more upfront than portable gas options. Like the latter, they also can’t support an entire home’s energy demands.
Fuel Source
The fuel source and refueling expenses significantly impact the ongoing operating costs of a home backup generator.
Gas
The price of a generator can shift wildly, as gas prices often go through dramatic changes. Gasoline price fluctuations reflect supply and demand and crude oil costs on the global market. Geopolitical factors beyond your control also regularly impact the price of gasoline.
On a local level, extended power outages and extreme weather can temporarily drive up the price of gas in a region just when everyone needs it most. Under certain conditions, going to a gas station to buy more fuel won’t be an option.
Diesel
Unlike gas models, diesel generators do not have carburetors. This results in less maintenance over the long term. Diesel generators also burn fuel more efficiently. These factors decrease the long-term costs of owning a diesel generator.
Propane
Propane is great for off-grid applications when a natural gas line or frequent trips to the gas station are impractical. Propane can be kept indefinitely if you store it properly, allowing you to always be ready for power outages.
Propane tends to be more expensive than gasoline or connecting to a natural gas line. Gas generators tend to be cheaper to operate, but propane burns much cleaner than gas or diesel.
Natural Gas
Natural gas generators usually connect to a utility gas line, allowing for unlimited use of your generator as long as the gas line is operational.
However, the main line connection can cause fuel costs to add up, as you are not limited by the gas you have on hand. Natural gas is usually cheaper than propane but burns at about twice the rate.
Solar
Using solar energy will bring the ongoing fuel costs down to $0. Solar generators like the DELTA Pro portable solar generator do not require gas, propane, or any other fossil fuels to operate. Instead, homeowners can charge their generators with solar panels or from other sources like AC electricity before an outage.
The sun provides unlimited free energy as long as you have the solar panels to capture it.
Transfer Switch
Depending on the amps rating, a transfer switch that connects a generator to your home wiring may cost anywhere from $150 to $1000. You will also need an electrician to install the transfer switch. An electrician typically charges between $75 and $125 per hour for their labor.
Permits
Many states require permits for the installation of whole-house generators.
Some states don’t have permit laws, while others only require permits for generators of a specific size. Permit costs usually range between $50 and $200.
You can find detailed information for generator permits by state here.
Installation
The average installation cost for a whole-house generator is between $500 and $3000. The installation bill depends on many factors, including the size and location of your generator. Large fossil fuel generators usually require a concrete pad, adding another $50-100 to your costs.
Cost of DIY Backup Generator Installation vs. Hiring a Professional
In theory, you can save a lot of money with a DIY backup generator installation — up to thousands of dollars in labor and other costs.
The total cost of a whole-house generator may end up between $5,000 and $20,000 for the equipment. But installation costs can bring that up by another $3000+.
However, installing a whole-house backup generator is a multi-faceted project that can involve gas lines, electrical wiring, rooftop installation of solar panels, and pouring concrete.
Unless you are extremely confident in your DIY abilities, leaving the job to a professional is best.
Large gas generators are also heavy and unwieldy. Special machinery is usually required to deliver and properly place the unit. Even if you do a DIY installation, you may still have to pay for vehicle rentals to transport and unload the machinery.
Solar generators are modular — if you want more power, you can add extra batteries. Most solar batteries are reasonably sized and do not require a moving truck or other special equipment. However, connecting a solar generator to your existing home wiring and installing rooftop solar panels may also be better left to a pro.
Tips When Buying and Installing a Home Backup Generator
Buying and installing a home backup generator can be complicated. There are so many options, each varying in price and functionality. Here are a few tips to help make your search a bit easier:
- Anticipate Your Actual Usage.
To save money, purchase a generator with only the output capacity that you will use. Check your electricity bills to help estimate your usage. If your area receives only short, occasional power outages, you may not need a large-capacity whole-house generator. - Hire a Professional to Install Your Natural Gas Generator. Unless you are comfortable hooking up gas lines, leave the installation of your natural gas generator to a professional. Solar generators do not involve gas lines, so they are simpler and safer to self-install.
- Go Solar for Savings. Solar generators do not have a combustion engine like traditional fossil fuel generators. Using renewable energy allows them to save money in two ways: there are no ongoing fuel costs, and maintenance costs are virtually none. There aren’t nearly as many moving parts that can potentially fail.
- Choose Modern Systems. Newer generators will perform better, run more efficiently, and even include smart features like Wi-Fi control and monitoring. The EcoFlow Smart Home Ecosystem allows homeowners to keep track of their solar generator usage, battery storage, and more — all from the convenience of your smartphone.
To save money, purchase a generator with only the output capacity that you will use. Check your electricity bills to help estimate your usage. If your area receives only short, occasional power outages, you may not need a large-capacity whole-house generator. 
The EcoFlow Smart Home Ecosystem allows homeowners to keep track of their solar generator usage, battery storage, and more — all from the convenience of your smartphone. Frequently Asked Questions
How Much Does It Cost To Run a Whole House Generator?
A whole-house fossil-fuel powered generator may cost between $50 and $150 per day to run, depending on the output capacity of the generator and your energy consumption. Fuel makes up most of these costs, which could amount to $30 or more just for gasoline. Solar whole-house generators don’t have any fuel costs.
How Much Does It Cost To Have a Whole House Generator Installed?
The installation of a whole-house generator may cost between $500 and $3000. The total expense may include the skilled labor required to install a transfer switch, natural gas lines, concrete pads, and more. You can save on these costs by performing all or part of the installation yourself — but remember, safety first!
Final Thoughts
Purchasing and installing a home backup generator can be a significant undertaking that involves working with gas lines, transfer switches for integrating with your home wiring, and permanent installation of solar panels or a large fossil fuel generator.
Installation can become costly and confusing and usually requires outside professional help (especially for natural gas line connections and electrical wiring).
You can simplify the process by going solar. Solar power systems are modular so that you can increase your off-grid energy generation and storage over time. No professional installation is required for standalone portable solar generators, and there are no ongoing fuel costs.Check out EcoFlow’s state-of-the-art solar solutions for your home. Whether you need a whole-house generator solution or just need to power a few essential appliances, EcoFlow has an answer for you.
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2023 Whole House Generator Cost — By Size, Type & Brand
Written by
Kristen Cramer
Fact-checked by
Tom Grupa
Whole house generator cost
A whole house generator costs $6,000 to $11,000 installed on average.
Home generators cost $3,000 to $6,000 alone on average. The labor cost to install a whole house generator is $3,000 to $5,000 on average or $5,000 to $12,000+ for longer distances or > 20 kW systems.
In comparison, portable generators cost $500 to $2,500, plus $400 to $1,300 for a transfer switch.
Whole house generator cost – chart
| Item | Average cost | Long distances or > 20 kW |
|---|---|---|
| Whole house generator | $3,000 – $6,000 | $4,500 – $12,000+ |
| Installation | $3,000 – $5,000 | $5,000 – $12,000+ |
| Total cost installed | $6,000 – $11,000 | $9,500 – $24,000 |
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Whole-house standby generators are permanently wired into the electric panel and automatically turn on during a power outage.
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Whole-home generators cost $30 to $170 per day to run and provide a power source for up to 500 hours continuously or three weeks.
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Standby generators last 15 to 30 years or 10,000 to 30,000 hours.
Home generator costs by size
Standby generators can power select circuits or a whole home, depending on the generator’s size in kilowatts (kW) and circuits in the transfer switch.
Generator cost by size – chart
| Size | Unit price range | Typical coverage |
|---|---|---|
| 2 – 5 kW | $250 – $1,400 | Portable: One appliance and a few lights. |
| 7 – 10 kW | $2,000 – $3,000 | Portable: 10 lights, refrigerator, sump pump, well pump, microwave, TV, laptop, coffee maker, and furnace fan. |
| 13 – 16 kW | $3,000 – $4,500 | Full home under 1,500 square feet. |
| 17 – 20 kW | $4,000 – $6,000 | Full 1,500 to 3,000 square foot home. |
| 22 – 25 kW | $4,500 – $12,000 | Full 3,000 to 5,000 square foot home. |
| 30 – 48 kW | $10,000 – $16,000 | Large luxury home or commercial applications. |
*Not including installation. Prices depend on the size, type, fuel source, brand, and accessories.
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Whole house generator costs installed by type
Whole home natural gas or liquid propane generators cost $2,000 to $6,000 without installation. Whole house diesel generators cost $5,000 to $18,000.
| Fuel Type | Unit price range | Details |
|---|---|---|
| Natural Gas | $2,000 – $6,000 | Installs to a home’s existing gas line and require no fuel storage. |
| Liquid Propane | $2,000 – $6,000 | Lasts longer and burns cleaner than other fuels but is more expensive and requires a large storage tank. |
| Diesel | $5,000 – $18,000 | More efficient, reliable, and require less upkeep. But, they cost more and require manual refueling. |
*Prices for units with power capacity of 2 to 24 kW. Not including installation.
Cost factors of whole house standby generator
Standby generator installation costs depend on the size, fuel source, distance from the electrical panel and gas meter, and amount of wiring and gas plumbing to hook up.
Complex jobs may require long trenches for electrical conduit and gas pipes, propane tank installation, or higher labor costs to install liquid-cooled generators.
| Factor | Average cost |
|---|---|
| Home Energy Assessment | Free With Installation |
| Labor Charges For Electrician | $40 – $100 per hour |
| Automatic Transfer Switch Installation | $600 – $2,500 |
| Electrical Wiring | $6 – $8 per foot |
| Gas Line Installation | $12 – $25 per foot |
| Concrete Pad | $150 – $400 |
| Propane Tank Installation | $400 – $1,800 |
| Permits | $80 – $450 |
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Electricians charge $50 to $130 per hour to install wiring and hook up a backup generator to the electrical panel.
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Natural gas and liquid propane generators require gas plumbing. Gas line installation costs $12 to $25 per linear foot.
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A liquid propane generator requires a fuel tank. Propane tanks cost $400 to $1,800 on average.
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Separate electrical, plumbing, and mechanical permits may be required. Permits cost $80 to $450 total on average.
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A 3″ to 4″ thick pre-cast concrete pad costs $150 to $400 for a generator.
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DIY generator maintenance kits cost $20 to $110. Annual generator maintenance contracts cost $200 to $650 per year and include a full inspection and oil and filter changes.
Standby generator installed in home backyard
Generator transfer switch or interlock installation
A transfer switch or interlock connects a generator to a home’s electrical panel.
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The average cost to install a generator transfer switch is $400 to $2,500 total.
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A generator interlock costs $400 to $850 installed and allows a portable generator to connect to the electrical panel without a transfer switch.
Home generator accessories & prices
Whole house generators may need additional accessories depending on the location and system type:
| Accessory | Price | Description |
|---|---|---|
| Generator Battery | $70 – $300 | Starts the generator when the electricity goes out. |
| Cold-Weather Kit | $130 – $500 | Ensures the generator starts in regions where temperatures drop below freezing. |
| Wireless Monitor | $200 – $210 | Provides access to generator status from inside the home. |
| Smart Load Manager | $130 – $250 | Allows smaller generators to power more appliances by balancing the electric load. |
| Fascia Kit | $65 – $130 | Protects the generator’s base from rodents and insects. |
Generac generator costs vs. other brands
Generac generators cost $2,000 to $5,000 for a 7 to 24 kW whole-house unit, plus $3,000 to $5,000 for installation. Generac’s standby generators turn on automatically during power outages and run on natural gas or liquid propane. Generac is the leading brand in whole-home generators.
Generac generator costs – chart
| Power Capacity | Average Price |
|---|---|
| 7 kW | $2,000 |
| 10 kW | $3,000 |
| 16 kW | $3,800 |
| 17 kW | $4,000 |
| 20 kW | $4,500 |
| 22 kW | $5,000 |
| 30+ kW | $12,000 |
*Prices not including installation.
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Other standby generator brands to compare are Kohler, Briggs & Stratton, Honda, and Cummins.
Kohler Generator Cost
A Kohler home generator costs $2,700 to $16,000 depending on size, ranging from 6 to 48 kW. Kohler generators run on natural gas or liquid propane, feature remote smartphone monitoring, and include an automatic transfer switch to turn on automatically during power outages.
Briggs & Stratton Generator Cost
Briggs & Stratton home generators cost $2,400 to $15,300 depending on size, with models ranging from 10 to 48 kW. Briggs & Stratton generators feature wireless monitoring, automatic low oil shutdown, and power management to control power distribution to select appliances and prevent overloads.
Cummins Generator Cost
Cummins standby generators cost $3,100 to $13,900 for models ranging from 13 to 40 kW. Cummins generators feature sound-insulated enclosures, remote diagnostics, and intelligent load management to balance power use across multiple appliances so a smaller generator can power an entire home.
Home backup generator FAQs
Does a whole house generator add value to your home?
A whole house generator provides up to a 150% return on investment and can increase the overall value of your home by 5% according to Consumer Reports and Remodeling magazine.
What size generator for a whole house?
Powering a whole house up to 3,000 SF typically requires a 13 to 20 kW generator. Use the watt usage chart for generators below to calculate the size required for a house.
| Type of Load | Wattage | Generator Size | ||
|---|---|---|---|---|
| 7 kW | 20 kW | 48 kW | ||
| Two Lighting Circuits | 200 W | ✓ | ||
| Four Lighting Circuits | 400 W | ✓ | ||
| 10 Lighting Circuits | 1000 W | ✓ | ||
| Refrigerator / Freezer | 1200 W | ✓ | ✓ | ✓ |
| Sump Pump | 1000 W | ✓ | ✓ | ✓ |
| Well Pump | 1000 W | ✓ | ✓ | ✓ |
| Furnace Fan | 500 W | ✓ | ✓ | ✓ |
| Garage Door Opener | 850 W | ✓ | ✓ | ✓ |
| Microwave Oven | 1000 W | ✓ | ✓ | ✓ |
| Electric Oven | 2000 W | ✓ | ✓ | |
| Radio | 150 W | ✓ | ✓ | ✓ |
| Television | 300 W | ✓ | ✓ | |
| Laptop | 50 W | ✓ | ✓ | |
| Desktop Computer | 200 W | ✓ | ✓ | |
| 4-Ton Central Air Conditioner | 8500 W | ✓ | ✓ | |
| Washing Machine | 1200 W | ✓ | ✓ | |
| Electric Clothes Dryer | 3000 W | ✓ | ||
| Coffee Maker | 900 W | ✓ | ✓ | |
| Gaming Console | 100 W | ✓ | ||
| Jacuzzi Bathtub | 1500 W | ✓ | ||
| Hot Tub | 6000 W | ✓ | ||
| EV Charging Station | 7200 W | ✓ | ||
*Running wattage is shown.
Some appliances startup wattage can be double the running wattage.
How much does a whole house generator cost to run?
A whole-home generator costs $30 to $170 per day to run all day depending on the size and fuel source. Whole-house 15 to 20 kW standby generators consume 133 to 330 cubic feet of natural gas or 3.16 to 3.45 gallons of liquid propane per hour.
| Fuel source | Generator size | ||
|---|---|---|---|
| 7 kW | 15 kW | 20 kW | |
| Natural Gas | $10 – $20 | $22 – $32 | $30 – $40 |
| Liquid Propane | $60 – $70 | $145 – $165 | $150 – $170 |
| Diesel | $32 – $40 | $90 – $110 | $100 – $120 |
| Gasoline | $55 – $70 | — | — |
*Costs depend on current and local fuel prices.
How long can a whole house generator run continuously?
Manufacturers recommend running a whole house generator for up to 500 hours continuously, or about three weeks.
How long does a whole house generator last?
A whole house generator lasts 15 to 30 years and provides 10,000 to 30,000 hours of use with proper maintenance. Reputable brands offer 5- to 10-year limited warranties on whole house generators.
Who installs whole house generators?
Generator installers and most electricians install whole house generators. Installation can also be handled by general contractors.
Where should a whole house generator be installed?
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For safety, a generator should be located outside at least five feet away from doors, windows, vents, and flammable material.
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Most generators produce 60 to 70 decibels (dB) from 25 feet away, similar to a central air conditioner. Some city properties are tighter, increasing the noise level, which may be regulated by local noise ordinances.
Getting estimates from whole house generator installers
A home generator installer pulls permits, determines the power and size generator needed to run the house, pours a concrete pad, installs the wiring and plumbing, and safely connects it to the utility grid. Follow these steps to find the best pro for the job:
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Get at least three in-person estimates to compare.
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Look for electricians with experience installing home generators.
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For natural gas and propane generators, select a pro who is certified for gas plumbing.
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Read reviews and check out their previous work on HomeGuide and Google.
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Select companies that are insured, bonded, and have been in business for longer than five years.
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Avoid selecting the lowest quote as quality may suffer.
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Ask for a written contract and warranty.
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Get a full breakdown of all costs involved.
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Avoid making large payments upfront.
Come up with a payment schedule for the work completed.
Come up with a payment schedule for the work completed.Questions to ask installers
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How long have you been installing generators?
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How many generators have you installed?
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Will your company handle the gas plumbing, or do you use subcontractors?
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Can you provide references of past work?
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Are you licensed, bonded, and insured?
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What costs might be associated with the installation?
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What permits do I need, and will you obtain them?
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What is your payment schedule?
Autonomous generator for home: which one and how to choose
Due to the war in Ukraine in various regions, individual cities and villages, electricity often goes out due to damage to networks or power plants. In winter, when the load on the power system increases, such cases can become much more. An autonomous generator can become a backup source of electricity for the house.
What types of generators are there
In general, an autonomous generator consists of an internal combustion engine that rotates the shaft of an electric generator.
Generator types by fuel type
Manufacturers produce four types of generators by fuel type :
- gasoline;
- diesel;
- gas;
- combined.
Gasoline powered generators are inexpensive, relatively quiet and compact. They are easy to transport, so they can be used not only to supply electricity to houses on an ongoing basis, but also, for example, to take them to the country. Among the disadvantages: the high cost of gasoline, the consumption of which is quite large.
Diesel models are characterized by economical consumption, as well as the possibility of long-term uninterrupted operation. Their disadvantages: relatively high price, increased noise level, sensitivity to low air temperatures.
Gas-fired generators are economical, quiet and easy to maintain. They can be connected both to the gas network and powered from cylinders. Cons of gas generators: high price and the need to call specialists to connect to the gas network.
Combined generators (dual-fuel) can run on both gas and gasoline (diesel oil). When changing fuel, the electricity supply is not interrupted. The price of dual fuel generators is quite high.
Types of generators by type of output current
According to type of output current generators are single-phase (220V) or three-phase (380V).
Types of generators by type of start
The start of the generator can be manual, electric or automatic. Manual start is convenient for occasional switching on of the generator. To start, you need to pull the starter cord. The advantage is affordable price and simplicity. Electric start (push button) is more convenient with regular use of the generator. Models with automatic start turn on themselves when the mains is de-energized.
Types of generators by engines
Engines of generators can be two-stroke or four-stroke. The first ones are cheaper, consume less fuel, but their power and continuous operation time are also less.
Conventional and inverter generators
Generators can be conventional and inverter . The former generate electricity of not very high quality, although it is quite enough to power household electrical appliances. The latter give out an “ideal sine wave”, they are recommended to be used for power supply of sensitive electronics.
Power of stand-alone generators
It should be taken into account that two power values are often indicated in the technical characteristics of the generator : nominal and maximum. The first corresponds to the stable operation of the generator for a long time. At maximum power, the generator can operate for a very short time, usually no more than 30 minutes. After that, the generator needs to be cooled.
Which is better: gasoline or diesel generator
Practice shows that under equal operating conditions and an average load of 75%, a diesel generator consumes 30% less fuel.
This feature gradually compensates for the difference in the cost of a gasoline and diesel generator.
Gasoline generators are quieter, with a noise level of 55 to 72 dB during operation. Diesel installations are usually noisier – up to 110 dB.
A diesel generator is more polluting and harder to start in cold weather than a gasoline generator.
The engine life of a diesel generator is many times greater than that of a gasoline generator, but a gasoline generator is lighter and more mobile.
Gasoline generators are easy to maintain – you need to clean the spark plugs from time to time and keep an eye on the oil and filters. Diesel engines require more attention. They change oil more often, and replacing consumables is more expensive.
In summary, if you need a powerful generator (10 kW or more) for continuous operation, then you should look at diesel models.
How much fuel is needed to run the generator
This parameter depends on a large number of variables.
Often, the standard fuel consumption rate of a diesel generator is 200 – 250 grams for every 1 kWh of electricity.
For gasoline generators the consumption figures are as follows:
- power 5 kW – 2.3 liters per hour;
- 10 kW – 4.9 liters.
Fuel consumption also depends on the load on the generator. For example, for a 3 kW generator at 75% load, the flow will be 1.6 l / h, and at 90% – 1.8 l / h.
How much does a home generator cost?
The price depends on the design and type of generator, power, functionality and manufacturer’s brand.
For example, one of the well-known manufacturers of a 3 kW gasoline generator now costs 22 thousand UAH. Diesel for 5 kW – 69thousand UAH, and gasoline of the same power – 36 thousand UAH.
How to determine the required generator power for a house
To calculate the required generator power, you need to add up the nameplate power of all electricity consumers, multiplied by their starting factor.
Thus, it should be taken into account that some consumers (first of all, these are devices with electric motors) at the time of start-up consume much more electricity than during stable operation.
For example, the starting factor for a TV, electric stove and incandescent lamp is 1.0, for a vacuum cleaner – 1.2, for a refrigerator – 3.3, for a water pump – 7.1.
Approximately, we can assume that:
- generator 3 kW = lamp + kettle + refrigerator + TV + pump;
- generator 5 kW = lighting + refrigerator + pump + electric stove + TV + computer;
- generator 7 kW = kettle + refrigerator + TV + pump + electric stove + air conditioner + vacuum cleaner;
- generator 10 kW = electric kettle + coffee maker + microwave oven + refrigerator + TV + pump + electric stove + air conditioner + vacuum cleaner + surveillance cameras + vacuum cleaner.
It is also said that the capacity of standard generators with output of 5 – 6 kW is enough for a residential building with an average energy consumption.
In country cottages with electric heating, autonomous water supply and pumped sewerage, 10–12 kW or more are needed.
***
Important! An autonomous generator is almost impossible to use in apartment buildings, as it is difficult to remove exhaust gases, ensure an acceptable noise level in residential premises and comply with fire safety standards.
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American generators are represented in Russia by several
manufacturers producing power plants using all types of fuel:
GENERAC –
one of the largest manufacturers of gas generators in the world.
Products
premium class quickly found its customers in Russia and in the segment of reserve
generators for the home firmly holds the first place in terms of sales.
Reliable, quiet, able to operate from the minimum pressure in the gas
highways. The possibility of using not only methane as a fuel, but also
propane, attractive appearance and reasonable pricing are the key
components of success. In addition to household models, there are commercial and industrial
series. The manufacturer also produces gasoline and diesel power plants.
Warranty obligations for popular models reach 5 years. Petrol
GENERAC generators are also familiar to Russian users. Diesel
power plants are available for order.
BRIGGS & STRATTON – the largest manufacturer
engines in the world, regarding small-scale mechanization, incl. generators.
Gasoline generators are divided into several series: PROMAX – for intensive
professional use, ELITE – for everyday needs, SPRINT – for a rare short
use.