U.S. consumers bought an estimated 164 million megawatt hours of renewable electricity beyond what their utilities otherwise supplied in 2019. The majority was accounted for by unbundled renewable energy certificates, which retail customers buy separate from their underlying electricity supply. An estimated 4 million megawatt hours of clean energy were provided to customers through long-term contracts with utilities.
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Greentech Media. (November 11, 2020). Estimated voluntary retail sales of renewable energy in the United States in 2019, by product type (in million megawatt hours) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/1167270/us-voluntary-renewable-energy-retail-sales/
Greentech Media. "Estimated voluntary retail sales of renewable energy in the United States in 2019, by product type (in million megawatt hours)." Chart. November 11, 2020. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/1167270/us-voluntary-renewable-energy-retail-sales/
Greentech Media. (2020). Estimated voluntary retail sales of renewable energy in the United States in 2019, by product type (in million megawatt hours). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/1167270/us-voluntary-renewable-energy-retail-sales/
Greentech Media. "Estimated Voluntary Retail Sales of Renewable Energy in The United States in 2019, by Product Type (in Million Megawatt Hours)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 11 Nov 2020, /statistics/1167270/us-voluntary-renewable-energy-retail-sales/
Greentech Media, Estimated voluntary retail sales of renewable energy in the United States in 2019, by product type (in million megawatt hours) ÌÇÐÄÆƽâ°æ, /statistics/1167270/us-voluntary-renewable-energy-retail-sales/ (last visited July 26, 2026)
Estimated voluntary retail sales of renewable energy in the United States in 2019, by product type (in million megawatt hours) [Graph], Greentech Media, November 11, 2020. [Online]. Available: /statistics/1167270/us-voluntary-renewable-energy-retail-sales/
