Status and Trends in the Voluntary Market (2021 Data)

Research output: NRELPresentation


Green power refers to renewable electricity voluntarily purchased by retail electricity customers. Renewable energy sources for green power include solar, wind, biomass, geothermal, and small-scale hydropower. This report summarizes data on the various ways in which voluntary purchasers including residential, commercial, and institutional customers purchase green power. We summarize key historic trends in U.S. voluntary green power markets and the current status of green power sales through seven products: utility green pricing programs, utility renewable contracts, competitive suppliers, unbundled renewable energy certificates, community choice aggregations, and power purchase agreements. It includes discussion of how the voluntary market may impact the grid.
Original languageAmerican English
Number of pages14
StatePublished - 2022

Publication series

NamePresented at the Renewable Energy Markets (REM) Conference, 14-16 September 2022, Minneapolis, Minnesota

NREL Publication Number

  • NREL/PR-7A40-84419


  • green power sales
  • procurement
  • voluntary market


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