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

KMB-IIT-MAD-25.05.22-05

The subject plant is located in Erode district of Tamil Nadu and falls under NIC Category-13131. This assessment was carried out by the IEAC Center, IIT Madras, during the course of the year 2022.

General Info

Principal Product

Fabric processing

Plant Area (Sq.ft)

20,000

No. of Employees

100

Production Hours

7,200

Annual Production

4,00,00,000

Annual Sales

₹20,00,00,000

Assessment Summary

Total Energy Costs(per year)

₹9,60,02,104

Total Recommended Investment(one time)

₹34,50,000

Total Recommended Savings(per year)

₹1,50,89,353

Energy Costs Calculation
Electricity

Annual Usage

54,89,168

Unit

kWh

Unit Cost

₹5.5

Annual Cost

₹3,01,90,424

Biomass

Annual Usage

1,49,57,200

Unit

kgs

Unit Cost

₹4.4

Annual Cost

₹6,58,11,680

Total Energy Costs(per year)

₹9,60,02,104

Observations & Recommendations
BR - Boiler & Steam Line
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Ineffective Combustion Optimize the Air-Fuel Ratio324576₹1428134₹1750001.5
Fair CombustionOptimize the Air-Fuel Ratio50350₹221540₹500002.7
Ineffective CombustionOptimize the Air-Fuel Ratio527472₹2320877₹1750000.9
Absence of Air Pre HeaterInstall a Heat Recovery Air Preheater37922₹166857₹1000007.2
BR - Boiler & Steam Line
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Ineffective CombustionOptimize the Air-Fuel Ratio630824₹27,75,626₹1750000.8
Chocking of Air Pre HeaterClean Fireside Tubes & Heat Exchangers at Appropriate Intervals22000₹96800₹250003.1
Ineffective CombustionOptimize the Air-Fuel Ratio301760₹1327744₹1750001.6
Chocking of Air Pre HeaterClean Fireside Tubes & Heat Exchangers at Appropriate Intervals19850₹87340₹250003.4
BR - Boiler & Steam Line
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Poor Thermal InsulationLocate and Repair Defective Insulation on All Heating Plant Equipment and Piping691380₹3042072₹6000002.4
TR - Transformer
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
High Current HarmonicsInstall Harmonic Filters16419₹90305₹50000066.4
CPF - Capacitor & Power Factor
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Low Power FactorReplace the de-rated capacitors with new capacitors25,000₹1,37,500₹1,50,00013.1
CR - Compressor
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
High Air LeakageEliminate leaks in inert gas and compressed air lines/ valves156000₹858000₹1000001.4
Capacity UnderutilizationThe compressor should be effectively operated in a manner that it should have minimum number of unloading cycles48000₹264000₹1000004.5
MT - Motors
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Operated at Full LoadInstall Soft Starter cum Energy saver for fully loaded motors15232₹83,776₹50,0007.2
Operated at Full LoadInstall Soft Starter cum Energy saver for fully loaded motors15,552₹85,536₹50,0007.0
Operated at Full LoadInstall Soft Starter cum Energy saver for fully loaded motors19,660₹1,08,130₹50,0005.5
Operated at Full LoadInstall Soft Starter cum Energy saver for fully loaded motors19,660₹1,08,130₹50,0005.5
Operated at Full LoadInstall Soft Starter cum Energy saver for fully loaded motors20,859₹1,14,725₹50,0005.2
Operated at Full LoadInstall Soft Starter cum Energy saver for fully loaded motors19,548₹1,07,514₹50,0005.6
Operated at Full LoadInstall Soft Starter cum Energy saver for fully loaded motors20,587₹1,13,229₹50,0005.3
Operated at Full LoadInstall Soft Starter cum Energy saver for fully loaded motors23,912₹1,31,516₹50,0004.6
Operated at Full LoadInstall Soft Starter cum Energy saver for fully loaded motors19,276₹1,06,018₹50,0005.7
Operated at Partial LoadProperly size the motor to the load for optimum efficiency3,546₹19,503₹30,00018.5
Operated at Partial LoadProperly size the motor to the load for optimum efficiency2,945₹16,198₹30,00022.2
Operated at Partial LoadProperly size the motor to the load for optimum efficiency2,054₹11,297₹30,00031.9
Operated at Partial LoadProperly size the motor to the load for optimum efficiency3,875₹21,313₹50,00028.2
Operated at Partial LoadProperly size the motor to the load for optimum efficiency3,478₹19,129₹50,00031.4
Operated at Partial LoadProperly size the motor to the load for optimum efficiency3,056₹16,808₹50,00035.7
VFD Self Consumption is HighUse appropriate VFD that consumes less power28,800₹1,58,400₹1,50,00011.4
Poor MaintenanceEstablish a preventive maintenance program1,11,000₹6,10,500₹50,0001.0
PP - Pumps
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Manual Throttling of ValvesOperate pumps with VFD to avoid manual valve throttling4,000₹22,000₹20,00010.9
Manual Throttling of ValvesOperate pumps with VFD to avoid manual valve throttling5,500₹30,250₹20,0007.9
Manual Throttling of ValvesOperate pumps with VFD to avoid manual valve throttling9,000₹49,500₹50,00012.1
Manual Throttling of ValvesOperate pumps with VFD to avoid manual valve throttling4,500₹24,750₹20,0009.7
Manual Throttling of ValvesOperate pumps with VFD to avoid manual valve throttling12,000₹66,000₹25,0004.5
Manual Throttling of ValvesOperate pumps with VFD to avoid manual valve throttling11,000₹60,500₹50,0009.9
CT - Cooling Tower
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Poor MaintenanceSchedule Periodic Cooling Tower Fan Maintenance Program19152₹105336₹200002.3
Mix of Hot & Cold WellImproving Cooling Tower Performance by separating Hot well and Coldwell15000₹82500₹50000.7