Green Mountain Energy is now offering its green power products for residents of Rockland and Westchester Counties, located in New York. Green Mountain Energy recently began offering its green power products to the residents of the City of White Plains, which provided green power options to residents of both counties. Rockland County residents can purchase Green Mountain Energy’s Pollution Free product for a rate of 9.7 cents per kilowatt-hour (kWh). Westchester County residents can purchase the Pollution Free product for 9.5 cents per kWh. Pollution Free electricity products are sourced from New York wind and hydro projects.