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Cost of Solar Panels Over Time

Written by Caitlin Ritchie/

Edited by Hannah Hillson

Last updated 12/02/2022

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Side view of a female employee inspecting newly manufactured solar panels in company. Woman quality engineer examining solar panels in factory.
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Key Points

  • The average cost of residential solar has fallen every year since 2002.
  • The Residential Clean Energy Credit offers 30% of the cost of a solar system back to consumers and has been extended through 2034.
  • Since 2002, the average price of residential solar panels has dropped from $12.2 per watt to $3.82 per watt.

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