EA developed the Request for Proposal documents and preliminary design for the installation of a 1‑megawatt photovoltaic solar array and battery storage at the Frederick County Ballenger-McKinney Wastewater Treatment Plant to provide both supplemental and backup power. EA’s team developed preliminary sizing, viewshed/Federal Aviation Administration Glare and Shading analyses, technical requirements, financing options, layout, qualifications, monitoring and reporting requirements, and the preliminary interconnection design with the local utility in a fast-turnaround schedule to successfully use Maryland Department of the Environment’s Energy Water Infrastructure Program grant funding. EA provided continuous support to the Northeast Maryland Waste Disposal Authority and the County throughout the project to develop the bid documents and evaluate the proposals received.  EA provided assistance with construction oversight including permitting assistance, submittal review, and field oversight.