The University of Virginia is built on a district energy model managed by Energy and Utilities within Facilities Management, with one main heat plant, four combined heating/cooling plants, nine chiller plants, hundreds of miles of (steam, hot water, chilled water, domestic water, sanitary, and stormwater) distribution, and an internal medium voltage electrical distribution grid anchored by three 35kV to 13kV substations. The Utilities Supervisor is responsible for the day-to-day operation, repair, and maintenance of UVA''s infrastructure which includes 9 miles of steam and condensate, 7 miles of steam tunnel, 23 miles of heating water, 24 miles of chilled water, 41 miles of domestic water, 69 miles of stormwater, 26 miles of sanitary sewer and 5,000 structures, separators, inlets and BMP's.