Department of public works (DPW) superintendents will find multiple ideas from this case study of the Hartwell Avenue old landfill site in Lexington, Massachusetts. It is an active drop-off for yard waste and has a newly constructed 2.1 MW solar ground mount system on five acres and two half-acre solar canopies. It contains an active 10-acre compost site that annually processes 50,000 cubic yards of yard waste from its curbside collection program and from about 100 landscape companies and other towns. The town produces 20,000 cubic yards of finished loam, compost including bark and leaf mulch, and generates $500K in revenues per year. Since 2002, the compost site has generated $6.3 million in total revenues. All equipment has been purchased from compost revenues. The site also serves as the DPW’s yard for construction material. It is the first regional HHP site in Massachusetts serving a population more than a quarter million, an active police shooting range and as a regional emergency equipment site in Northeast Mass.