 Dell Childeren's Medical Center Flyer The proposed configuration for this site includes a Solar Turbines 4.6 MW Mercury 50 combustion turbine in combination with a 1000 ton absorption chiller, supplied with steam from a heat recovery steam generator (HRSG). The system will be designed to base load the absorption chiller in combination with a packaged electric centrifugal chiller plant and an 8,000 ton-hour thermal energy storage (TES) tank to meet the hospital’s chilled water cooling loads. Redundancy will be designed into the system by including an additional packaged chiller that will serve as backup during corrective or preventive maintenance periods for the other packaged chiller or the absorption chiller. The HRSG, in addition to providing steam to the absorption chiller, will be used to meet the hospital’s hot water and steam loads and will be backed up by a single packaged boiler. The HSRG may also utilize a state-of-the-art low emission duct burner to provide added flexibility and redundancy for the steam and chilled water systems. Excess power from the system will be available for use by Austin Energy, the proposed plant owner and operator, or can be dispatched to the grid at ERCOT request. In addition, the project will also incorporate a micro grid which will initially provide grid independence for the hospital and then be expanded to other area tenants as the brownfield development grows. The TES will collect and store excess chilled water produced by the system during non-peak cooling periods. This chilled water will then be available to the hospital during daily peak cooling periods to offset a portion of the electric centrifugal chiller load. Burns & McDonnell’s project partners include the Department of Energy (DOE), Oak Ridge National Laboratory (ORNL), Solar Turbines and Turbine Air Systems. Austin Energy, the city’s municipal utility, will own and operate the CHP system. Specific factors that make this project a showcase success for CHP include:
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