Home wind turbines: Overview, products, and costs

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Not every property is suitable for solar panels. However, that does not mean that you won't be able to generate clean energy on your property. One renewable energy technology that's becoming an increasingly popular alternative for homeowners looking to generate their own clean electricity is small wind turbines.

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According to the American Wind Energy Association (AWEA), small wind turbines cost between $3,000 to $5,000 for every kilowatt of power capacity. However, the cost of installing a small wind turbine can vary depending on the size of the system, the height of the tower, and the equipment you buy. In most cases, the larger and taller the wind turbine is, the more expensive it will be.

Most homeowners using a wind turbine as their primary source of electricity install between 5 to 15 kW of wind power capacity, meaning they can expect to pay between $15,000 and $75,000 for their small wind turbine project. These numbers do not include any federal or state incentives.

Small wind turbines, sometimes referred to as home wind turbines, are much smaller than the turbines you see on wind farms. While larger wind turbines can have a blade diameter that spans the length of a football field, small wind turbines typically have a diameter up to 10 meters wide. Because of the smaller blades, these wind turbines have a much smaller power output than large turbines. That makes small wind turbines perfect for projects with smaller electricity needs, such as residential, portable, or off-grid applications.

The best locations for small wind turbines are places that experience frequent, high wind speeds. Generally speaking, the taller the turbine, the windier the environment and the more electricity it's capable of generating. Most of the best spots for small wind turbines are on rural properties, as they tend to have a lot of space and few obstructions that would impact wind speeds. In certain instances, a small wind turbine has the potential to offset 100 percent of a home's electricity bill.

When it comes to buying a small wind turbine for your home, it's important to compare different products and how they vary in regard to price, design, power capacity, and equipment offerings.

The table below shows how small wind turbines vary in price across different power capacities. Among similarly-sized wind turbines, price differences are largely due to additional components included in the purchase, such as charge controllers, poles/towers, batteries, or cables. The additional components you need to purchase depend on the setup of your wind turbine. For instance, off-grid systems require a battery to store electricity and a charge controller to protect the battery from overcharging.

5 Best home wind turbines

Product
Power Capacity (W)
Cost ($)
Cost Per Watt ($/W)
Number Of Blades
Pole/tower Included?
Battery Included?
Charge Controller Included?
Missouri General Freedom II Wind Turbine2000 W$749.00$0.37/W11NoNoNo
Happybuy Wind Turbine (24 V)400 W$194.98$0.49/W5NoNoYes
EOLO Small Vertical Axis Wind Turbine3000 W$4,000.00$1.33/W6NoNoNo
SHZOND Wind Generator400 W$159.99$0.39/W3NoNoYes
Tumo-Int Wind Turbine5000 W$4,999.00$1.00/W3NoNoYes

Lowest cost per watt: Missouri General Freedom II Wind Turbine

This turbine 2000W from Missouri Wind and Solar has 11 blades which contributes to its exceptional cost savings at only $0.37/watt. At $749, it is also one of the least expensive overall on our list without any add-ons.

lowest cost per watt wind turbine

Lowest overall cost: Happybuy Wind Turbine (24 V)

This offering from Happybuy is the least expensive on our list at only $194.98. It is rated for wind speeds of 39.4 ft/s and is made from nylon fiber.

lowest overall cost wind turbine

Best value: EOLO Small Vertical Axis Wind Turbine

With a power capacity of 3000W and a cost of $4,000, this offering from EOLO is a great value. It has a 6-blade system and a battery of 48W.

Best value wind turbine

Best micro turbine: SHZOND Wind Generator

This generator has a power capacity suited for smaller applications at 400W. It comes in at $159.99 with a low cost per watt at $0.39/W.

best micro wind turbine

Most powerful: Tumo-Int Wind Turbine

At $4,999, this turbine is the most expensive on our list. It is also the most powerful, with a capacity of 5000W, which is capable of powering larger devices than microturbines.

most powerful wind turbine

Step 1- Determine your energy usage

The first step to determining the right size for your wind turbine is knowing how much electricity you want to generate. If you're looking to meet most or all of your electricity needs with a small wind turbine, you can determine your electricity usage by looking at past electricity bills. Alternatively, suppose you're looking to offset only certain appliances with wind power. In that case, the Department of Energy's Appliance Energy Calculator is a good place to start to calculate the electricity demands of specific appliances.

Step 2- Find a suitable location

Once you know your electricity needs, find a wind turbine and site location that will meet that need. Many wind turbine manufacturers will report an estimated annual electricity output for their product using certain height and average wind speed assumptions. Without this, the calculation for estimating the realistic power output of a wind turbine can be complicated, as it's dependent on weather patterns, air density, the efficiency of the equipment, the length of the blades, and more. However, you can come up with a rough estimate of a wind turbine's energy production without complicated calculations by using an estimated capacity factor.

Step 3- Determine your capacity factor

Capacity factor is a useful metric to estimate the amount of electricity a power generator can produce across the course of the year. For wind, the capacity factor is calculated by dividing the total electricity produced by a turbine over the total amount of electricity it would have produced over the year if it were to output its maximum power year-round. According to the Department of Energy's 2018 Distributed Wind Market Report, small wind turbines have an average capacity factor of 17 percent, but their data set included a range from as small as 2 percent to as high as 36 percent.

Estimating annual energy output

Using a capacity factor estimate, you can calculate a rough annual electricity production estimate with the following formula:

Kilowatt-hours per year = 8,760 hours in the year x power rating (kW) x capacity factor (%)

Given the average capacity factor for small wind turbines, a 10 kW turbine will produce roughly 14,892 kWh per year.

There are a couple of things to consider when choosing a location for your residential wind turbine system: the amount of wind a certain location receives and the distance to what you're trying to power.

Wind

Unless your property is on land that is completely isolated and flat, it is important to analyze how much wind each potential installation site may get. For example, if you place your system on the top of a hill, there will likely be more wind than if you placed it on the non-windy side of a barrier like a shed or a tree. A good rule of thumb is that your system should be sited upwind of any obstructions and 30 feet above anything that exists within 300 feet of it.

Distance

Equally as important to wind access is the distance between your system and what you're trying to power. This is because a substantial amount of electricity can be lost if the wire running from your system is too long. The closer your residential wind turbine system is to the load you are trying to power, the more efficient your system will be.

The cost of installing a small wind turbine can vary depending on the size of the system, the height of the tower, and the equipment you buy. In most cases, the larger and taller the wind turbine is, the more expensive it will be.

According to the American Wind Energy Association (AWEA), small wind turbines cost between $3,000 to $5,000 for every kilowatt of power capacity. Most homeowners using a wind turbine as their primary source of electricity install between 5 to 15 kW of wind power capacity, meaning they can expect to pay between $15,000 and $75,000 for their small wind turbine project. These numbers do not include any federal or state incentives.

Small wind turbines can be a cost-effective way to generate renewable electricity for your home. However, many residential properties are not suitable for wind turbines for a few reasons.

For one, to generate enough electricity to make the upfront investment worthwhile, wind turbines need to be in a windy location. While that may seem kind of obvious, it's not enough to just experience high wind speeds during storms or specific seasons: you want consistent wind patterns capable of spinning the wind turbine all year long to make the upfront investment worthwhile.

As a general rule of thumb, if the average annual wind speed on your property is less than 5 meters per second, it's likely not a suitable location for a small wind turbine. If you're unsure of wind speeds at your property, the National Oceanic and Atmospheric Administration has wind maps that display average wind speeds throughout the country on a month-by-month basis. Your nearby airport may also have a record of wind speeds if you're looking for a basic estimate for your region.

Additionally, small wind turbines need to have a certain amount of space and reach a certain height to achieve significant electricity savings. Your jurisdiction may have zoning ordinances that limit the height of a structure you can install on your property, thus limiting how much electricity your wind turbine is capable of producing. You also need enough open ground space on your property to lower the small wind turbine for maintenance purposes – many installers recommend having at least one acre of clear land.

However, if you live in a windy, remote, off-grid location, a small wind turbine can be more affordable than connecting your home to the electrical grid. Additionally, micro wind turbines can be useful for other off-grid, portable applications, such as charging batteries for RVs and sailboats.

Once you determine if a residential wind turbine is right for you and where it can be placed on your property, your next step is installation. In most cases (unless you are able to pour cement, properly wire your system, and place it where it needs to go), a residential wind turbine system needs to be installed professionally. Contact your system's manufacturer to learn more about your installation options and costs.

Once your residential wind turbine has been installed, maintenance requirements might include repairing electrical connections and wiring and replacing any corroded parts. For example, small wind turbine blades last about ten years. If the whole system is properly maintained and installed, you should expect it to have a lifetime of about 20 years.

Are small wind turbines right for you?

Small wind turbines can be a cost-effective way to generate renewable electricity for your home. However, many residential properties are not suitable for wind turbines for a few reasons.

For one, to generate enough electricity to make the upfront investment worthwhile, wind turbines need to be in a windy location. While that may seem kind of obvious, it's not enough to just experience high wind speeds during storms or specific seasons: you want consistent wind patterns capable of spinning the wind turbine all year long to make the upfront investment worthwhile.

As a general rule of thumb, if the average annual wind speed on your property is less than 5 meters per second, it's likely not a suitable location for a small wind turbine. If you're unsure of wind speeds at your property, the National Oceanic and Atmospheric Administration has wind maps that display average wind speeds throughout the country on a month-by-month basis. Your nearby airport may also have a record of wind speeds if you're looking for a basic estimate for your region.

Additionally, small wind turbines need to have a certain amount of space and reach a certain height to achieve significant electricity savings. Your jurisdiction may have zoning ordinances that limit the height of a structure you can install on your property, thus limiting how much electricity your wind turbine is capable of producing. You also need enough open ground space on your property to lower the small wind turbine for maintenance purposes – many installers recommend having at least one acre of clear land. If you live in a windy, remote, off-grid location, a small wind turbine can be more affordable than connecting your home to the electrical grid. Additionally, micro wind turbines can be useful for other off-grid, portable applications, such as charging batteries for RVs and sailboats

Is a residential wind turbine worth it?

Residential wind turbines are a good and reliable option if you want to live off the grid, minimize your carbon footprint, and save money.

How much does a residential wind turbine cost?

According to the American Wind Energy Association (AWEA), small wind turbines cost between $3,000 to $5,000.

Can one wind turbine power a house?

Yes, one large wind turbine on a wind farm is able to power a house. This is not the case for a small residential wind turbine.

How long does it take a wind turbine to pay for itself?

The payback period for using energy associated with wind can be around six months. This varies for smaller turbines. 

As you're looking for ways to generate your own electricity, it's always a good idea to compare multiple options before making a final decision. By signing up on the EnergySage Solar Marketplace, you can receive up to seven custom quotes for installing solar on your property. These quotes include cost information, and savings estimates that you can compare the economic benefits of solar with small wind turbine offers. If you're looking to start out with ballpark numbers before receiving quotes, check out our Solar Calculator.

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