IIT Madras

IIT Hyderabad

IIT Bombay

IIT Indore

IIT Gandhinagar

IIT Guwahati

IIT Ropar

Kotak - IIT Madras Save Energy Mission (KISEM)

Indian Institute of Technology Madras


The subject plant is located in district of and falls under NIC Category-20. This assessment was carried out by the IEAC Center, IIT Ropar, during the course of the year 2023.

General Info

Principal Product


Plant Area (Sq.ft)


No. of Employees


Production Hours


Annual Production

Annual Sales


Assessment Summary

Total Energy Costs(per year)


Total Recommended Investment(one time)


Total Recommended Savings(per year)


Energy Costs Calculation

Annual Usage




Unit Cost


Annual Cost



Annual Usage




Unit Cost


Annual Cost


Total Energy Costs(per year)


Observations & Recommendations
CHR - Chiller
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Three primary pumps are used for two chillers (300 TR)One pump (which consume more power) can be switched of1,54,439₹12,35,510
Throttling control is used regulate the flow rate in both primary and secondary pump of the chillerVFD technology can be used to regulate the water flow in pump with respect to the requirement9,19,070₹76,06,871₹3,50,0000.6
Approach in the evaporator side is observed to be highDo periodic chiller maintenance
CR - Compressor
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Screw compressors unloading time is highExisting three screw compressors (One nitrogen and One Instrument air) can be operated with VFD drive2,85,613₹22,84,900₹1,50,0000.8
Overall air leakages are highArrest air leakages regularly93,440₹7,47,520₹50,0000.8
BR - Boiler & Steam Line
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
High surface temperature on Boiler and EconomiserProvide proper thermal insulation1,543₹2,57,763₹50,0002.3
CT - Cooling Tower
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Conventional energy inefficient fans are used in cooling towersExisting inefficient fans can be replaced with energy efficient FRP fans95,677₹7,65,414₹4,00,0006.3
Cooling tower fan is continuously operating without any controlOn/Off control can be provided to CT fan with respect to atmospheric temperature12,775₹1,02,200₹20,0002.3
Throttling control is used regulate the flow rate in circulation pumpVFD technology can be used to regulate the water flow in pump with respect to the requirement7,73,436₹61,87,489₹3,00,0000.6