Born in Philadelphia in 2011, ConnectDER makes meter socket adapters that give installers a plug-and-play connection for residential solar, battery backup, and EV charging systems. Its patented designs grew out of collaboration with installers and utilities, and the company helped shape the UL 414 standards that guide meter socket adapters today. More than 40,000 ConnectDER devices have been installed nationwide, with availability reaching over 60% of the U.S. residential market.
UL 414 SA, SB, SC – meter sockets
UL 1741 / 3141 / 9741 system ready
ETL file # 5028888
UL3141
Quality certification
UL9741
Quality certification
Inhabit SolarInhabit Solar designs and manufactures modular renewable-energy infrastructure for urban spaces, including prefabricated solar carports and rooftop canopies that can incorporate EV charging and battery storage. Its architectural approach is built around fitting clean-energy systems into constrained or highly visible sites, from parking lots to rooftops crowded with mechanical equipment. The company makes its aluminum and steel solutions in the USA and supplied custom racks for the solar canopy installation over 39 HVAC units at Manhattan’s Javits Center.NEW YORK, NY
Alencon Systems, LLCAlencon Systems, LLC designs, engineers and manufactures American-made DC-DC power electronics for commercial and utility-scale solar and energy-storage systems. Founded by power-electronics experts, the suburban Philadelphia company is known for applying galvanic isolation and silicon-carbide technology to products that help repower aging PV plants, connect solar with storage and support DC microgrids. Its portfolio also includes PV-IoT monitoring and control hardware and software for tracking assets at the string or battery-rack level.HATBORO, PA
Solar Foundations USASince opening in 2009, Solar Foundations USA has designed, manufactured and installed ground-mount solar support structures for residential and light commercial arrays. The company’s integrated systems pair foundation piles, structural members and racking, with patented equipment that allows crews to install ground screws even in solid rock. With more than 6,000 installed solutions and operations spanning the East Coast from Maine to Florida, SFUSA provides in-house engineering, custom component manufacturing and certified installation.BALLSTON LAKE, NY
Mertal Electrical IncWith 16 years in the electrical equipment trade, Mertal Electrical Inc. designs and manufactures components for power distribution, including meter sockets, load centers, wiring devices and mechanical lugs. Its China branch operates from a workshop of more than 16,000 square meters with 130 employees, and the company exports to more than 40 countries and regions. Mertal’s products carry certifications including UL, CUL and ISO 9001, and its custom-design service supports made-to-order electrical components.NEWYORK, NY