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

EAR/23-24/KISEM/IITI-14/02

The subject plant is located in district of and falls under NIC Category-13. This assessment was carried out by the IEAC Center, IIT Indore, during the course of the year 2023.

General Info

Principal Product

Textile Sizing, Weaving and Calendaring

Plant Area (Sq.ft)

2,00,000

No. of Employees

300

Production Hours

7,200

Annual Production

Annual Sales

₹30,00,00,000

Assessment Summary

Total Energy Costs(per year)

₹3,56,00,000

Total Recommended Investment(one time)

₹52,64,400

Total Recommended Savings(per year)

₹36,80,680

Energy Costs Calculation
Electricity

Annual Usage

15,40,000

Unit

kWh

Unit Cost

₹7.2

Annual Cost

₹1,10,00,000

Fuel (Firewood, Coal & Agrowaste)

Annual Usage

33,49,000

Unit

kg

Unit Cost

₹7.5

Annual Cost

₹2,46,00,000

Total Energy Costs(per year)

₹3,56,00,000

Observations & Recommendations
MT - Motors
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Conventional Induction Motors with low efficiency is installed for calendaring machinesReplace with energy efficient IE4 or above Induction Motors28,174₹2,24,896₹2,25,00013
For Fixed operating load VFD is usedBy-pass the VFD from Calendaring motor and use soft starter for smoothing starting load2973₹22148₹4000022
Conventional Induction Motors with low efficiency is installed for calendaring machinesReplace with energy efficient IE4 or above Induction Motors49633₹347431₹4,50,00016
Conventional Induction Motors with low efficiency is installed for calendaring machineReplace with energy efficient IE4 or above Induction Motors42261₹2,95,826₹2,25,00010
Conventional Induction Motors with low efficiency is installed for Weaving machinesReplace with energy efficient IE4 or above Induction Motors15454₹124178₹30000029
Specific Energy Consumed (kWh/kg) for some weaving machines found high. Terminal Voltage to motors found low. Conventional V- Belts are usedUndergo proper maintenance of machinery and reduce SEC (kWh/kg) near to 1.2 kWh/kg. Install Voltage Optimizer or Servo Stabilizer to improve voltage Replace conventional belts with Cogged V-Belts.10565₹126000₹600006
Conventional Induction Motors with low efficiency is installed for Weaving machinesReplace with energy efficient IE4 or above Induction Motors14488₹113917₹30000032
Specific Energy Consumed (kWh/kg) for some weaving machines found high. Terminal Voltage to motors found low. Conventional VBelts are used.Undergo proper maintenance of machinery and reduce SEC (kWh/kg) near to 1.2 kWh/kg. Install Voltage Optimizer or Servo Stabilizer to improve voltage Replace conventional belts with Cogged V-Belts.10253₹71771₹300006
Conventional Induction Motors with low efficiency is installed for Weaving machinesReplace with energy efficient IE4 or above Induction Motors13909₹115360₹33000035
Specific Energy Consumed (kWh/kg) for some weaving machines found high. Terminal Voltage to motors found low. Conventional VBelts are usedUndergo proper maintenance of machinery and reduce SEC (kWh/kg) near to 1.2 kWh/kg. Install Voltage Optimizer or Servo Stabilizer to improve voltage Replace conventional belts with Cogged V-Belts.9843₹68901₹300006
BR - Boiler & Steam Line
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Steam leakages at various pointsArrest the steam leakages by properly sealing the gaps59301₹77271₹500008
Non insulated surfaces of steam distribution lines and condensate linesProvide thermal insulation at the high temperature surfaces and save fuel17240₹22464₹5000027
Thermal energy lost in condensate directly ejected outRecover Condensate79070₹103031₹30000035
Steam leakages at various pointsArrest the leakages by properly sealing the gaps92100₹1,20,009₹90,0009
Non insulated surfaces of steam distribution lines and condensate linesProvide thermal insulation at the high temperature surfaces and save fuel34491₹45,243₹1,00,00027
Thermal energy lost in condensate directly ejected outRecover Condensate162530₹4,41,210₹5,00,00014
Steam leakages at various pointsArrest the leakages by properly sealing the gaps58500₹76,227₹70,00012
Non insulated surfaces of steam distribution lines and condensate linesProvide thermal insulation at the high temperature surfaces and save fuel42301₹55,120₹1,20,00027
Thermal energy lost in condensate directly ejected outRecover Condensate135000₹1,95,450₹5,00,00031
Steam leakages at various points.Arrest the leakages by properly sealing the gaps289534₹377270₹800003
Non insulated surfaces of steam distribution lines and condensate linesProvide thermal insulation at the high temperature surfaces and save fuel115167₹185225₹20000013
Efficiency of Boiler found to be slightly lowOptimize fuel feeding by cutting and chopping large piece of firewood using a suitable shredding equipment, improve combustion efficiency and save fuel144767₹188635₹20000013
Steam generated is directly expanded from 8 bar to 2.5 bar using PRV as per process demandReplace PRV with suitable Micro Turbine to reclaim lost energy as Electrical energy144768₹188635₹100000064
LT - Lighting
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Conventional low efficient CFL Lights are usedInstall Energy Efficient LED Lights4147₹29093₹64003
Conventional low efficient FTL Lights are usedInstall Energy Efficient LED Tube Lights5708₹48,143₹8,0002
CR - Compressor
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
The Existing Compressor set pressure range is higherOptimize the compressor set pressure range.2220₹8880
The Existing Compressor set pressure range is higher.Optimize the compressor set pressure range.1350₹5400
FN - Fans
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
For Fixed operating load VFD is usedBy-pass the VFD from boiler ID fan.376₹2946