U.S. Solar PV Installation Cost

U.S. Solar PV Installation Cost

Proof Point

U.S. solar PV installation cost from 2010 to 2017 decreased 13% annually for residential, 14% for commercial use and 19% for utility-scale generation, to $2.80, $1.85 and $1.03 per Wdc, respectively

U.S. Solar PV Installation Cost

2010 – 2017 (2017 real US$ per Wdc (watt dc))

Note: Real dollar value – prices indicated in chart adjusted for inflation

Proof Point Findings

  • U.S. Solar PV Installation Cost – Total cost to install solar photovoltaic modules for residential, commercial or utility-scale use, covering module and inverter, labor, structural and electrical components, applicable taxes and land acquisition expenses
  • Residential Installations – Decreased 13% annually from 2010 to 2017, from $7.24 to $2.80 per watt
  • Commercial Installations – Decreased from $5.36 per watt in 2010 to $1.85 in 2017, an annual 14% cost reduction
  • Utility-Scale Installations – Saw biggest cost reductions of 19% annually, from $4.57 per watt in 2010 to $1.03 in 2017
  • Key Drivers of Cost Reduction – Include more competitive pricing as PV suppliers and installers increase, improved labor productivity, improvements in modules through technology enhancements, optimized system configurations, and government policy support





Date Last Updated

October 18, 2017

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