Formed in 2014 by two co-founders, Sustainable Energy Management Systems is a Scranton-based American manufacturer shaped by deep renewable-energy and engineering experience. The company is known for designing storm-hardened solar infrastructure for developers, installers, and asset owners, with an emphasis on closed-form tubular construction and kitted field assembly. Its systems are intended to help solar arrays withstand severe weather while limiting long-term maintenance risk.
FEMA Storm Hardening Standards
Compliance program
NREL Storm Hardening Standards
Compliance program
National Solar TechnologiesSince 1997, National Solar Technologies has built its identity around dependable solar engineering from its 34,000-square-foot facility in suburban Buffalo. The company is known for designing systems that can withstand harsh climates and remote assignments, including work for U.S. military and government agencies. NST has deployed more than 10,000 systems across 20 countries.DEPEW, NY
WindStax EnergyFrom Pittsburgh, WindStax Energy designs and manufactures large vertical-axis wind turbines and integrated wind-and-solar microgrids for commercial and industrial sites. Installing renewable-energy systems since 2011, the company handles projects in-house from fabrication through installation and service, with systems ranging from individual buildings to community-scale microgrids. Its turbines have logged more than one million operating hours in the field and are built to order for each project.PITTSBURGH, PA
Stored Energy Systems (SENS)Founded in 1971 by battery-industry veteran Herb Kaewert, Stored Energy Systems (SENS) is a Colorado-based manufacturer with more than five decades in the critical-power field. Its U.S. facilities in Colorado and Pennsylvania support mission-critical power infrastructure, with SENS known for applying worst-case design to equipment used where outages are not acceptable. The company has maintained ISO 9001 certification since 1996.HATFIELD, PA
Stored Energy Systems (SENS)Founded in 1971 by battery-industry veteran Herb Kaewert, Stored Energy Systems (SENS) designs and manufactures DC power and engine-starting systems for mission-critical infrastructure. The Colorado-based company now makes its equipment in U.S. facilities spanning more than 130,000 square feet, using worst-case design and factory testing for applications where downtime is not an option. SENS has maintained ISO 9001 certification since 1996 and says its systems support more than 75% of North American critical-power gensets above 500 kW.334519HATFIELD, PA