altPOWER is a leading firm in the field of renewable energy system development, design, and installation, and the number one solar-electric installer in New York City. We offer a variety of services to businesses, governments, developers, contractors, and homeowners.

altPOWER is a leading firm nationwide in the field of renewable energy system development, design, and installation. Having been in business over 10 years and headquarters in New York City with our UK presence in London, we have earned our reputation as the go-to designer, installer and integrator of choice for solar projects where quality, competence and getting the job done right are the number one priorities. The wide variety of our clients and projects is a testament to our experience and expertise. From large scale commercial rooftops for our corporate clients to architecturally compelling building integrated photovoltaic (BIPV) systems on 35+ story residential high rises to designed ground mounts for our residential clients, altPOWER has the knowledge and the vision to utilize the energy of the 21st century. Every altPOWER system is customized to best fit the needs of each customer and we guarantee the highest level of service.