Utility system means a water system, solid waste
Combined sewer system means a system for conveying both sanitary sewage and storm water runoff.
Electric utility steam generating unit means any steam electric generating unit that is constructed for the purpose of supplying more than one-third of its potential electric output capacity and more than 25 MW electrical output to any utility power distribution system for sale. Any steam supplied to a steam distribution system for the purpose of providing steam to a steam-electric generator that would produce electrical energy for sale is also considered in determining the electrical energy output capacity of the affected facility.
Building Energy Benchmarking means the process of measuring a building’s Energy use, tracking that use over time, and comparing performance to similar buildings.