Solar Panel Price Per Watt Graph
Average solar panel cost.
Solar panel price per watt graph. In addition to solar panel efficiency increasing dramatically solar panel producers have significantly improved their manufacturing processes. Solar system costs in 2020 grid tied. Over a decade ago in 2009 the cost of a solar panel installation was 8 50 per watt. That s how we arrive at the total wattage of your system the combined wattage of all the solar panels in the system.
With energy prices on the rise this may be the perfect time. Solar panel cost per watt increasing factors smaller systems. The most recent official data from the doe funded lawrence berkeley labs published in september 2019 found that the median cost of residential solar panels is 3 70 watt. For 5 000 watt systems if you re using a 300 watt panel 17 solar panels will be used to make up that 5 000 watt system.
For comparison in california tesla previously listed a 7 56 kw medium size solar system for 19 500 or 2 58 per watt before incentives and 14 430 after the federal tax credit. The solar industry today looks very different. When you look at more specialized panels that are manufactured in lower quantities the price climbs up above 2 watt. This is a factor of economy of scale.
Therefore if the solar panel output is 250 watts that single panel might cost you 187 50. Installing a solar panel system costs an average of 23 597 and dropping most homeowners pay between 16 532 and 30 820 expect to pay 2 50 to 3 50 per watt with most systems in the 3kw to 10kw range until the end of 2020 you can deduct 26 of the installation costs with the federal investment tax credit itc. Imported 365w astronergy panels now sell for 70 cents per watt while american manufacturer heliene sells 320w panels at 80 cents per watt. National data september 2020.
However if a homeowner is trying to buy one or two panels on their own for a small diy project they will likely pay closer to 1 per watt. A tale of falling prices. With solar panels getting cheaper all the time the price gap between imported and american made panels has shrunk considerably. Standard solar panels cost anywhere from 70 cents to 1 20 per watt depending on their output quality and where they are manufactured.
10 cost of solar panels cost of solar power charts. Cost of solar panels over time. Most solar panels last for 50 years have a 25 year warranty and start generating a return on investment after 8. However solarreviews handles more than 1 000 quote requests per day and the current average price we see on our marketplace is 2 53 per watt.
The average cost to install solar panels is from 10 626 to 26 460 after tax credit for a 6kw to 12kw system to power an entire house.