Contact Us


Garthwaite Energy is the most experienced and best heating oil and propane supplier serving Southern Coastal Maine. Whether you live in Maine year-round or part-time, you will have peace of mind knowing that you can count on us for safe, reliable service and delivery for your home or business.

We are a community based, hometown company offering you a neighborly touch. We have grown up here, we are raising our families here and we live here. We are proud to know our neighbors and we treat them as family.

Services we offer