4 kw solar system

How much does a 4,000 Watt (4 kW) solar system cost in 2020?

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If you’re shopping for a solar energy system, one of your first questions is probably, “how much will it cost?” Prices depend on the size of your system, the type of equipment you choose, and the state that you live in, but reviewing prices for a 4 kilowatt (kW) system is a great place to start for many smaller homes. Learn more about how much a 4 kW solar system costs, how much electricity a 4 kW system will produce, and the smartest way to shop for solar.

How much does a 4kW solar system cost in 2020?

As of January 2020, the average cost of solar in the U.S. is $2.96 per watt ($11,840 for a 4 kilowatt solar system). That means that the total cost for a 4,000 watt (4kW) solar system would be $8,762 after the 26% Federal ITC discount (not factoring in any additional state rebates or incentives).

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Find out what solar costs in your area in 2020

4 kW solar panel system cost: What are solar shoppers paying in your state in 2019?

We looked at data from the EnergySage Solar Marketplace, the leading comparison-shopping platform for homeowners who are considering home solar panel systems, to find out just how much solar shoppers are paying for 4 kW solar energy systems in different states across the U.S.

The prices listed below have not had the federal tax credit for solar deducted. Depending on where you live, you might have additional state or local solar incentives and rebates that reduce the price even more. You may even be able to earn extra income by selling your system’s solar renewable energy certificates (SRECs).

Even if there are no other incentives where you live, comparing multiple offers from solar companies is important to ensure that you’re finding the best deal. Homeowners who register their property on EnergySage save up to 20 percent just by shopping around for the right option for their home.

How much does a 4,000W (4 kW) solar system cost in my state?

State4 kW solar system price range
Arizona$9,920 – $12,160
California$10,320 – $13,200
Colorado$11,600 – $13,840
Florida$9,600 – $12,160
Massachusetts$11,200 – $14,560
Maryland$9,920 – $12,800
New Jersey$10,160 – $12,880
New York$10,880 – $13,920
Texas$10,080 – $12,240
Washington$9,240 – $12,280

Remember, the cost of solar depends on a lot of factors, so these numbers are just meant to be a starting point. In most cases, you should be able to find a 4 kW solar system in this price range – if you receive offers from solar companies that are much higher or lower, be sure to ask follow up questions.

How much electricity will a 4 kW solar system produce?

The amount of electricity your solar panels produce depends on many factors, including the direction and angle of your roof. The most important one is how sunny it is where you live – for example, a 4 kW system in Las Vegas makes about 30 percent more electricity in a year than one in Philadelphia. That being said, you don’t have to live in the Southwest for solar to make sense for you. The cost of electricity where you live is the biggest determinant of your solar savings.

The table below shows average estimated electricity production numbers for 4 kW solar energy systems in cities across the U.S. By comparison, the average household in the U.S. uses 914 kilowatt-hours (kWh) a month, which equals 10,972 kWh per year. We estimated these numbers using PV Watts, a tool developed by the National Renewable Energy Laboratory.

Solar electricity output of a 4 kW solar panel system in top U.S. cities

CityAverage daily kWhAverage monthly kWhAverage annual kWh
Austin, TX16.24945,926
Boston, MA14.54405,284
Cleveland, OH13.34054,857
Denver, CO16.85096,111
Hartford, CT13.64154,979
Las Vegas, NV19.35867,036
Los Angeles, CA17.45286,330
Miami, FL16.04875,849
New York City14.04255,097
Philadelphia, PA14.34345,210
Phoenix, AZ19.05766,914
Seattle, WA11.93634,357

Get the best deal on a 4 kW solar panel system

Now that you know what to expect, you can ensure that you get the best deal on a 4 kW solar energy system by registering your property on the EnergySage Solar Marketplace. Use the comprehensive, easy-to-understand comparison tables to evaluate all of your equipment options, financing offers, and solar company reviews. When you compare multiple solar quotes, you can feel confident that you’re making a smart investment in your home.

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Find out what solar costs in your area in 2020

3 thoughts on “How much does a 4,000 Watt (4 kW) solar system cost in 2020?

  1. Kyle Towns

    I am trying to find an estimate for my 2000 SQFT house in North Pole, AK. It gets good sunlight but only in the spring/summer then most of the fall and winter is darkness. Would this even be worth it in the long run?

  2. John

    Hello. I want to know the price of a 4 kWp system in Gettysburg please? I need to know the price after any subsidies or deductions i.e. the cost the customer would pay. I would like to know how much it would save me if my price of electricity is $0.11 per kWh, assuming I use all of the available energy at home. And how much it would save me if I only use half of it? Then I want to know if there are any equivalents to what they have in Europe, where I have been living for the past few years, such as feed in tariffs or payments that the utility company pays me to export energy into the national grid. I’d also like to know if this applies in other states or does not apply in other states and how much is it per kWh?

  3. Barry Odell

    All I’m for sure about is don’t use power home solar theycare rip offs steer clear they got me…if a sales man comes to your door it’s a rip off don’t fool with them. Solar is super easy to install and get going and places like Home Depot sells the whole systems turn key

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