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-17/01

The subject plant is located in district of and falls under NIC Category-11. This assessment was carried out by the IEAC Center, IIT Indore, during the course of the year 2023.

General Info

Principal Product

650 ml Bottled Beer

Plant Area (Sq.ft)

3,85,943

No. of Employees

500

Production Hours

5,760

Annual Production

5,00,000

Annual Sales

₹20,00,00,000

Assessment Summary

Total Energy Costs(per year)

₹6,27,10,000

Total Recommended Investment(one time)

₹62,68,000

Total Recommended Savings(per year)

₹45,01,112

Energy Costs Calculation
Electricity

Annual Usage

45,20,000

Unit

kWh

Unit Cost

₹7.25

Annual Cost

₹3,27,30,000

Solar power

Annual Usage

5,40,000

Unit

kWh

Unit Cost

₹4.3

Annual Cost

₹22,70,000

Paddy husk

Annual Usage

41,26,000

Unit

kg

Unit Cost

₹5

Annual Cost

₹2,06,30,000

Furnace Oil

Annual Usage

8,75,000

Unit

kg

Unit Cost

₹4.3

Annual Cost

₹37,60,000

Diesel

Annual Usage

32,200

Unit

Ltr

Unit Cost

₹103.2

Annual Cost

₹33,20,000

Total Energy Costs(per year)

₹6,27,10,000

Observations & Recommendations
CR - Compressor
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Air Leakages are found at different points of the circuitArrest air leakages regularly by conducting maintenance of compressed air system consisting of the plant, circuit, and fittings.73,619₹5,15,332₹1,20,0003
Unloading time of Compressor 2 is high due to varying pressure demandExisting Compressor - 2 could be retrofitted with a VFD drive and optimize power consumption according to actual pressure demand1560₹10,290₹100,000117
CO2 Leakages are found at different points of the circuitArrest leakages regularly by conducting maintenance of the system consisting of the plant, circuit, and fittings.
BR - Boiler & Steam Line
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Excess Air fed for boiler combustion is highOptimize Excess Air demand by controlling FD fan speed in closed loop mode through existing O2 sensor and VFD192993₹238,126₹25,0002
Steam leakages at various pointsArrest the steam leakages by properly sealing the gaps37311₹46,037₹35,00010
Thermal energy lost in condensate circulating in steam trapsMaintain Traps and Recover Condensate230002₹283,791₹100,0005
Thermal energy lost as flash steamRecover condensate using a SOPT Pump and pumping condensate directly to feed water tank311773₹406,250₹100,0003
Non insulated surfaces of steam distribution lines and condensate linesProvide thermal insulation at the high temperature surfaces and save fuel36785₹621,091₹150,0003
MT - Motors
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Excess Air fed for boiler combustion is highOptimize Excess Air demand by controlling FD fan speed in closed loop mode through existing O2 sensor and VFD (Electrical energy Savings)34320₹240,240
ALS - Alternate Source of Power
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Steam pressure is reduced to demand requirement using PRVsInstall Co Generation - Steam Expander and generate Electricity258720₹1811040₹550000037
CHR - Chiller
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Non insulated surfaces of chilled water lines and accessoriesProvide thermal insulation at the low temperature surfaces and save electricity1586₹11104₹1800020
CT - Cooling Tower
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Range is low and CT Effectiveness is lowImprove range by reducing waterflow by intermediate operation of pump and fan17741₹124186₹200002
TR - Transformer
ObservationRecommendationUnit SavingsAnnual SavingsInvestmentROIStatus
Daily Energy Losses in Transformer - 1 is high compared to standard similar rating TransformersCarry out overall maintenance and oil filtration of the Transformer6935₹48545₹5000013
Billed MD is low compared to minimum quota of CD allottedSurrender CD from 1200 to 950 kVA and save minimum demand charges₹145080₹500005