The table above presents a price history for Green Mountain Energy Company’s Pollution Free™ e-Plus Preferred variable price electricity products. It includes information for the current product, as well as for previous versions. This price history assumes average monthly usage of 1,000 kWh and presents a monthly weighted average of prices for all customers who purchased a Pollution Free™ e-Plus Preferred variable price product. This is historical information and should not be used to predict future pricing.
 
Your average price depends on your usage and other factors and may vary from the data presented in the table. You may review your previous bills using the My Account section of our Website. These will provide a price history specific to you. Please review the Terms of Service and Electricity Facts Label for your product for additional information regarding prices.