NORESCO

About Us

NORESCO, an OPTERRA company, is a leading provider of energy efficiency, infrastructure modernization, and sustainability solutions for buildings, campuses, military installations, and communities. NORESCO helps organizations modernize aging building systems, improve operational performance, reduce energy and water costs, and strengthen infrastructure resilience.

Through innovative energy efficiency, distributed energy generation, energy storage, renewable energy, and water infrastructure solutions, NORESCO delivers customized strategies designed to meet evolving energy and sustainability demands. Our comprehensive approach helps customers optimize building performance, enhance energy resilience, and achieve long-term operating cost savings while advancing their environmental goals.

To date, NORESCO has implemented solutions delivering more than $5 billion in guaranteed energy and operating cost savings across more than 10,000 facilities. These projects have also helped customers reduce CO2 emissions by more than 25 million metric tons—the equivalent of planting approximately 1.4 million acres of forest.

With decades of experience in energy services and infrastructure modernization, NORESCO partners with organizations seeking practical, measurable solutions for energy efficiency, sustainability, resilience, and long-term operational performance.