Mass Energy is a Boston-based non-profit organization that has worked to make energy more affordable and sustainable for Massachusetts residents for over 30 years. Mass Energy works with oil heat dealers to provide over 14,000 members with discounted heating oil. Among other programs, Mass Energy also runs a Green Power purchasing program that enables 8,000 participants to purchase locally-generated renewable energy. Mass Energy has provided support to the development and implementation of the WePowr program. Mass Energy launched the first ever WePowr campaign, offering discounted air source heat pumps to homeowners in three counties in western Massachusetts.