JHR Development of Maine, LLC, the development firm selected for the Main Street Station site, announced plans to make the project sustainable. The firm is collaborating with Arrowstreet, an architectural firm with a reputation for achieving sustainable design. According to a JHR press release, the firm is "laying the groundwork for LEED certification."

The redevelopment project includes the removal of coal ash from the site. The site design will incorporate many energy-saving strategies. The project will utilize energy- efficient lighting and mechanical systems. It will also be designed to maximize natural light during the daytime.