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Kotak - IIT Madras Save Energy Mission (KISEM)

Indian Institute of Technology Madras


The subject plant is located in Chennai district of Tamil Nadu and falls under NIC Category-28. This assessment was carried out by the IEAC Center, IIT Madras, 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


Total Energy Costs(per year)


Observations & Recommendations
CR - Compressor
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
High Air LeakageEliminate leaks in inert gas and compressed air lines/ valves33,341₹2,59,726₹50,0002.3
High Unloading lossesThe actual plant CFM load should be calculated accurately and there should be one compressor meeting the base air load by running at full load and the other for meeting peak/fluctuating loads by operating it with a VFD;19,418₹1,51,266₹90,0007.1
FN - Fans
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Old Type FansUse BLDC fan with same velocity4327₹33,707₹56,00019.9
HVC - Heating Ventilation & Cooling
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
High Power ConsumptionUpgrade filter banks to reduce pressure drop and thus lower fan power requirements.46,428₹3,61,674₹10,0000.3
High Power ConsumptionInstall Air Conditioning Units and Heat Pumps Having the Highest Practical Efficiency3942₹30,708₹00.0
High Specific power consumptionInstall Air Conditioning Units and Heat Pumps Having the Highest Practical Efficiency3,022₹23,541₹44,50022.7