
November 5, 2026
Organizations today face two urgent challenges: meeting growing power demands and modernizing aging infrastructure. Ameresco helps customers address both through integrated energy infrastructure solutions designed to improve reliability, resilience, efficiency, and long-term performance.
Our Power Infrastructure business integrates energy resources across behind-the-meter and utility-scale systems. Our Buildings & Public Infrastructure business modernizes the built environment with smart, connected solutions that optimize performance and enhance resilience.
Ameresco is a trusted full lifecycle partner, delivering over $15 billion in solutions and contracting over 5 GW of energy resources since its founding in 2000. Headquartered in Massachusetts, we serve public and private sector customers across North America and Europe.
We support customers from development through operations, delivering the expertise, resources, and accountability needed to bring complex infrastructure projects to life. We deliver integrated solutions through a comprehensive lifecycle approach: Develop → Design → Finance → Construct → Operate & Maintain. From identifying opportunities and securing financing to project execution and long-term operations, we provide end-to-end accountability across every stage of infrastructure delivery.
Ameresco’s vision, mission, and C.A.R.I.N.G. values shape our culture and inform our business practices. We have become a leading energy solutions provider by approaching our business with a specific set of values and goals. Our values are demonstrated in the way we work to meet the energy, resiliency, and sustainability goals of our customers and stakeholders.
Energizing a sustainable world.
To deliver integrated infrastructure solutions that power communities, business, and critical facilities.
Ameresco’s C.A.R.I.N.G. values shape our culture and inform our business practices. These principles guide our interactions with stakeholders and are fundamental to our people and our professional conduct.