Jan 16, 2022 · What is the cost of a solar panel installation for an average 2,000 square foot home today? The average cost of a residential solar panel installation in 2022 ranges between $18,000 and $20,000, before applying tax credits or other incentives that may be available where you live. This works out to between $2.75 and $3.35 per watt of solar installed, depending on your location and the brands of solar equipment used. See full list on solarreviews.com