CARE HOSPITALS
Comprehensive JoulePAYS
Facility Type
Hospital
Location
Hyderabad
Start Date
July-2019
Project Tenure
7 Years
25% energy efficiency delivered till October 2022, equivalent to INR 83 mn cost savings
Design Interventions
- HVAC system overhauled from fixed to variable speed configuration
- Conversion from unitary to centralized cooling for various areas
- Optimization of cooling tower adjusting cooling tower fan blades angles
- Separate freshwater line connection installed to resolve water quality issues
- Optimization of the HVAC pumps with provision of distributed pumping
- Condenser line painted to protect it from harsh weather conditions
- Reflective paint on exposed surfaces to reduce overall cooling load
Equipment Interventions
- New premium efficiency chillers
- New low approach cooling towers
- Smart energy meters and energy efficient LEDs
- Variable speed drives for dynamic water flow controls
- Several other installations - ATCS on water-cooled chillers, 2-way valves with actuators and thermostats, 102 energy-efficient BLDC ceiling fans
Operations Interventions
- Extensive instrumentation & metering to continuously evaluate facility, system and equipment-level performance
- Once per month to once per minute energy analysis
- Manual to automated performance evaluation and reporting
- DeJoule to analyze and control operations of the central air conditioning system
Project Output
Cooling efficiency improvement of 1kWh/TRH
Cost Saving of INR 83mn till date