Residential Green Energy Calculator

Green Energy Calculator

Residential Customers

(Enter the number of blocks you wish to purchase and click on "Submit")

  • If I purchase
  • block(s) of Green Energy per month for a year:


  • I'd spend
  • per month;
  • I'll purchase approximately
  • of Green Energy per month;
  • An estimated
  • of carbon dioxide pollution will be prevented per year;
  • Carbon sequestered by
  • tree seedlings grown for 10 years.

Assumes one full year of participation. Based on EPA calculation methodology ( Provided for comparison purposes only.

Source: The underlying assumptions and values for these Green Energy calculations are obtained from the U.S. EPA. Carbon equivalencies are renewable energy displacing non-baseload emissions for the NERC subregions where Renewable Energy Certificates for the program are generated. For explanations, including citation of specific values and calculations, go to: