How Much Does A Generator Cost? – Cost To Install A Generator

In this article, you will learn how much does a generator cost, the cost to install a generator in the home, and costs based on fuel, wattage, and generator types.

People are beginning to realize the importance of generators in areas where power outages are frequent and prolonged. That is why the sale of generators went up from 3% to 5% overall the past 3 to 4 years.

A generator is an excellent and most reliable way to power your house or RV when solar panels can’t work anymore due to cloudy weather.

Nowadays technology has improved, and the generators are more compact, quieter, powerful, reliable, convenient, and durable compared to old noisy models.

First of all, let’s clear the confusion around the actual cost of the generators.

How Much Does A Generator Cost?

How Much Does A Generator Cost

The cost of the generators is based on their size, weight, wattage, portability, purpose, and brand. The following table gives the most accurate figures. Prices may vary from brand to brand.

The most expensive one is the whole house generator. Those are massive in terms of power production and size. They cost between “$6000 to $15000”. That includes installation cost too.

Only a handful of people purchase whole house generators, a massive number of people in the United States buy either portable inverter generators or conventional generators.

How Much Does A Generator Cost – Generator Cost By Size And Type

WattageTypePrice RangeCoverage Area
2000 to 5000Portable inverters  and conventional$300 to $2000 based on the brandFor camping, RV, and Home. Small appliances
7000 to 10,000Conventional portable, and standby generators$1500 to $3000Several appliances, 15,000 BTU AC units, sump pumps
13,000 to 16,000Conventional and standby generator, and whole-house generators$3200 to $45001300 to 1500 sq feet home
17,000 to 20,000Stand by and large whole house generators  $4000 to $60001500 to 3000 sq feet home     
22,000 to 26,000Whole house large generators$4800 to $120003000 to 5000 sq feet home
30,000 to 45,000Large whole house generators$10,000 to $16,000Huge luxury homes, or commercial usage

Checkout our guide about sizing of the generator

Cost Of Generators Based On Fuel

TypeCOST
Gasoline  $300 to $3500
Natural gas  $1500 to $6000
Diesel  $3200 to $15,000
Liquid propane$250 to $5500
Solar$300 to $6000

In this section, we will sort generators based on fuel (gasoline, liquid propane, natural gas, diesel, and solar).

Gasoline Powered Generators Cost

Gasoline generators are the most cost-effective option because of the abundant quantity of gas and it is available everywhere.

They cost around $300 to $3000 depending on the size and wattage. These generators are a great camping and outdoor choice because they are mostly portable.

From 2000 watts to 10,000 watts, gasoline-powered generators can power a small RV, to an entire house depending on the number of appliances, but these units are a bit noisy.

Cost Of Propane Generators

Liquid propane can be a bit expensive but it burns slower and is cleaner. A lot of people use propane generators for tailgating and camping.

The cost of propane generators ranges from $250 to $5500. The wattage levels range from 2000 watts to 6000 watts mostly.

Liquid propane fuel is not available everywhere and it is difficult to store.

Cost Of Natural Gas Generators

The cost of natural gas generators ranges from $1500 to $6000 depending on the size and wattage. These generators are heavy-duty ones. They are mostly whole house standby generators that can generate up to 15,000 watts of power for an entire house.

Natural gas is directly attached to these big generators (professional installed), it is cheaper than propane and gasoline, and it is available 24/7.

Natural gas generators start automatically within seconds. These are the most expensive and most reliable types. Big houses or commercial structures use these generators mostly.

Cost Of Solar Generators

The cost of solar generators is around $300 to $6000. They require a constant fuel supply and these are a good option for people living in sunny areas.

Cost To Install A Generator

Portable inverter generators are manually operated and require installation. They are mainly used for outdoor activities like camping and tailgating.

Even if you use it for home, you don’t have to hook it up in the main control panel. Just plug in 20Amp, 30amp, or 50Amp cords to run your appliances.

Even if you want to hook it up in the breaker box, the installation cost isn’t that much compared to a standby generator.

Standby or whole house generators on the other hand require proper installation by licensed professionals.

How Much Does It Cost To Install A Home Generator?

First of you would need a permit which costs $50 to $200 to install the generator. Then a concrete pad to protect the generator from erosion. That costs around $800 to $1000. Don’t forget the fuel cost of $30 per day.

The installation cost including the electrician’s fee can vary from $500 to $9000 depending on the size and existing structure of the property.


Frequently Asked Questions – FAQs

How much does it cost to run a generator?

The cost of fuel to run a generator for 15 to 20 minutes is close to $5. But, for frequent and prolonged power outages, you may spend up to $30 per day to run a standby or even portable generator.

What is the cost to wire a house for a generator?

Professional electricians take $60 to $85 per hour. So a generator wiring job can cost you $600 to $800 depending on the size of the generator, and the structure of the existing property.

How long do generators last?

Depending on the size, power output, brand, fuel type, and generator type, 1500 to 3000 hours is a rough estimation. So if you use your generator for one hour per week, it will last 26 years.

Is a generator worth the cost?

The sale of generators has increased to 5% from 3% since 2013. Generators do worth the cost in areas power outages are frequent. Portable inverters generators are an excellent choice for limited power outages, camping, RV, and tailgating. Standby generators are preferred for long-term usages when hurricanes or other natural disasters cause regular outages.

I am a passionate environment engineer, who has been in the solar, and inverter generator industry for years. I have been a part of multiple safety and environment-related courses such as IOSH, Fire Safety, Solid Waste Management, etc. I have been installing solar plants for residential purposes since 2018.

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