Browse terms related to these fuel groups:alternative fuels|coal|electricity|natural gas|nuclear|petroleum|renewable
District chilled water: Chilled water from an outside source used as an energy source for cooling in a building. The water is chilled in a central plant and piped into the building. Chilled water may be purchased from a utility or provided by a central physical plant in a separate building that is part of the same multibuilding facility (for example, a hospital complex or university).
District energy: Energy produced in a centralized plant, other than in an electric power plant, that is consumed or stored as steam, hot water, or chilled water. This energy is distributed through a network of pipes to meet demand for process steam, heat, or cooling within a commercial or residential building, multibuilding facility, group of buildings, or an industrial facility.
District heat: Steam or hot water from an outside source used as an energy source in a building. The steam or hot water is produced in a central plant and piped into the building. The district heat may be purchased from a utility or provided by a physical plant in a separate building that is part of the same facility (for example, a hospital complex or university).