City of St. Marys, Ohio | City of St. Marys Municipal Electric System

COVID-19 Update: 

To protect the health of our staff and our customers, Efficiency Smart's office is closed to the public. We have cautiously begun scheduling project related site visits when required. Read more about our safety protocols.

We know that you need support in reducing energy costs now more than ever, and we will continue to launch new offers and programs to help. In the mean time, our customer support team is available to help you remotely. Contact us at (877) 889-3777 or

St. Marys

The City of St. Marys partners with Efficiency Smart to help its residents and businesses save energy and money. From advice on products or projects to rebates and discounts on energy improvements, Efficiency Smart can help you from start to finish.

Ready to start saving? Select from the available services below to get started.