Specifications include, but are not limited to: The Rhode Island Army National Guard (RIARNG) is soliciting proposals from qualified firms to install a roof-mounted solar photovoltaic (PV) array paired with onsite energy storage system (ESS) and maintenance service for five years at the RIARNG Bristol Armory in Bristol, Rhode Island. • Design, furnish and install, and service solar PV array(s) with energy storage and web-based monitoring as described herein. The work will include designing any connection to existing electrical panels (electrical system). Pre-Construction Phase Services: Design the solar PV system in consideration of existing conditions present at the site. • Complete all engineering and system design work and provide stamped drawings by appropriate registered engineering professionals in the State of Rhode Island when appropriate.