This data has been stitched together from reports by seia and nrel.
Cost of solar panels over time graph.
In just 40 years the price of solar panels has dropped by 99 2.
Solar panel costs for an average sized installation in the u s.
What range of costs should you expect to see in quotes for a solar panel system.
Average solar panel cost.
Lastly here s some context on the historical price of solar power systems over the past 20 years.
The average cost of solar panels has gone from 76 67 watt in 1977 to just 0 698 watt today the second figure is according to pvinsights and is even lower than the 2013 projected price in the chart below.
A standard 6 kw residential solar system has dropped from 44 000 down to 15 200 over the past decade not including the federal solar tax credit.
In the last 40 years the cost of solar panels has dropped almost unbelievably.
Ten years ago a residential photovoltaic system could cost more than 50 000 00.
However solarreviews handles more than 1 000 quote requests per day and the current average price we see on our marketplace is 2 64 per watt.
National data september 2020.
How does system size impact the cost of solar.
The average cost of solar panels has fallen 65 from 7 34 per watt in 2010 to 2 53 per watt in 2019.
Over a decade ago in 2009 the cost of a solar panel installation was 8 50 per watt.
Utility scale solar power could in 2011 be delivered in california at prices well below 100 mwh 0 10 kwh less than most other peak generators even those running on low cost natural gas.
In 1977 solar panels cost 77 per watt making our 0 64 per watt today seem dirt cheap.
A tale of falling prices.
In addition to solar panel efficiency increasing dramatically solar panel producers have significantly improved their manufacturing processes.
Cost of solar panels over time.
Panel prices increased about 20 in early 2018 about the same time that the us took steps to implement tariffs on imported solar panels but since then have resumed their downward trajectory.
The solar industry today looks very different.
This graph from bloomberg bnef shows the stark difference in pricing between 1977 and today.
This chart shows the average cost to install a residential solar power system for every year dating back to 1998.
In 2010 solar panels cost about 2 50 per watt but by early 2017 that had fallen to just 0 38 per watt.
Cost of solar panels over time.
Usually range from 11 144 to 14 696 after solar tax credits and the average price per watt for solar panels ranges from 2 51 to 3 31.
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.
10 cost of solar panels cost of solar power charts.
