So although neither map says “peak sun hours” anywhere on it, they are in fact both maps of average peak sun hours. Recall that 1 peak sun hour is equal to 1 kWh/m 2, meaning these values are numerically identical. You’ll notice both maps legends are given in units of kWh/m 2. Here is a peak sun hours map of the United States provided by the National Renewable Energy Laboratory:Īnd here is a global peak sun hours map provided by the Global Solar Atlas: To estimate what size solar system you need, check out our solar system size calculator. It’s best used as a quick and dirty estimate. Note: This estimate is very rough and doesn’t take into account factors such as shading and system losses due to things like ambient temperature and inverter inefficiencies. So in an idealized scenario, your 5 kW solar array would output 29 kWh per day. You could get a rough estimate by multiplying the number of peak sun hours by the rated output of the solar array: Estimated output = 5 kW * 5.8 peak sun hours per day = 29 kWh per day Let’s say you’re considering putting a 5 kW solar array on your roof, and you want to estimate how much energy it could produce. To illustrate, let’s go back to the Phoenix example. This means knowing how many peak sun hours your location gets is useful because it lets you easily estimate how much energy a solar power system could produce. Solar panels are usually rated at an input rating of 1,000 W/m 2 (1 kW/m 2), so during a peak sun hour you’d expect a 1 kW solar array to output 1 kWh of electricity before taking into account system losses and other environmental variables such as ambient temperature. Put another way, on an average day, the sun will pump out 5.8 kilowatt hours of sunlight per square meter. So if, say, you live in Phoenix, AZ, you can expect to receive around 5.8 peak sun hours per day on average. Then we can express this value in peak sun hours. Using historical data, we can estimate the amount of sunlight we expect a location to receive per day. So we can write it as: 1 peak sun hour = 1 hour of sunlight at 1,000 W/m 2 = 1,000 Wh/m 2Īnd because 1,000 watts is equal to 1 kilowatt, we can also write it as: 1 peak sun hour = 1 hour of sunlight at 1 kW/m 2 = 1 kWh/m 2 For those of you who know a bit about electricity, you’ll recall this is equal to 1,000 watt hours (or 1 kilowatt hour) of sunlight per square meter. Peak sun hours, also called peak sunlight hours, are a way to measure how much sunlight a location receives.Ī peak sun hour is defined as one hour in which the intensity of sunlight (solar irradiance) averages 1,000 watts per square meter.
The calculator assumes you will be using a solar array with a fixed tilt and azimuth angle, rather than one with 1-axis or 2-axis solar tracking.The calculator does not take into account shading.Data source: National Renewable Energy Laboratory PVWatts Calculator.
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If you’re interested in going solar, click here to get a free solar quote. Redfin is redefining real estate and the home buying process in Manvel with industry-leading technology, full-service agents, and lower fees that provide a better value for Redfin buyers and sellers.Note: Your location gets enough peak sun hours to be a good candidate for solar panels. If you're looking to sell your home in the Manvel area, our listing agents can help you get the best price. Our Manvel real estate stats and trends will give you more information about home buying and selling trends in Manvel. Redfin has a local office at 401 Franklin Street Ste. Our top-rated real estate agents in Manvel are local experts and are ready to answer your questions about properties, neighborhoods, schools, and the newest listings for sale in Manvel. Use filters to narrow your search by price, square feet, beds, and baths to find homes that fit your criteria. Find your dream home in Manvel using the tools above. In addition to houses in Manvel, there were also 0 condos, 5 townhouses, and 1 multi-family unit for sale in Manvel last month. In the past month, 61 homes have been sold in Manvel. This map is refreshed with the newest listings in Manvel every 15 minutes.
Popular neighborhoods include Southwyck, Sedona Lakes, Silverlake, and Pomona. Most homes for sale in Manvel stay on the market for 72 days and receive 1 offers. Some of these homes are "Hot Homes," meaning they're likely to sell quickly. There are currently 134 homes with pools for sale in Manvel at a median listing price of $500K.
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