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DOMESTIC
 
STRATEGY | CONSERVATION ACTIVITIES | INDUSTRIAL | ECONOMICS
 
Domestic
POLE MOUNTED TRANSFORMERS [PMT] for Residential Colonies
• Introduced in the year 1998.
• Commissioned upto November ’02 : 3538 Nos..

• Total Reduction in colony consumption from the year 1998-99 to 2002-03[Projected] : 8.44 Crore units

• Saving in Energy Charges during the above period[@Rs.4.19/unit average]: Rs.35.36 Crores

• Reduction in Consumption[%] : 36.7 %
Compact Fluorescent Lamps [CFL’s]
• Cost of 11W CFL : Rs.150/- each
• Guarantee period : One year.
• Expected life : 4000-6000 burning hours [3.3 to 5 Years]
• Energy savings/year : 1.35 Crore units.
• Savings in value/Year: Rs.4.86 Crores.
• Initial cost of CFLs : Rs.3.45 Crores [for 2,30,000 CFLs]
• Payback period : 9 Months.
Fluorescent Tube Light fittings with electronic ballast [FTL’s]
• Cost of 36W FTL : Rs.411.42 each

• Guarantee period : One year for Tube light and 2 years for electronic ballast.

• Energy savings/year: 35.32 Lakh units.
• Savings in value/Year: Rs.1.27 Crores.
• Initial cost of FTLs : Rs.3.78 Crores [for 92,000 FTLs]
• Payback period : 3 Years.
Energy Efficient Ceiling Fans with Electronic Regulators.

• 1723 nos. of Old identified fans in Offices which are consuming high wattage were replaced by energy efficient fans.

• Total cost of above fans : Rs.10.75Lakhs [@Rs.624/- per fan].
• Expected Savings per year : Rs.6.62Lakhs
• Payback period : 1.6 Years.

• Proposed to replace old fans in all company Quarters : 51,000 nos.

• Cost of new energy efficient fans : Rs.3.3Crores
• Expected savings per year : Rs.1.1Crores
• Payback period : 3 Years
L.P.Gas based water Heaters
• Total no.of electric water heaters in use : 1800 Nos.
• Proposed to replace by Gas based water heaters.
• To avoid use of electrical energy completely.
• Cost of Gas geysers + Cost of gas / year : Rs.1.47Crores
• Expected energy savings per year by : 24.3 lakh units. replacing electrical geysers.
• Expected savings [ in Rupees] : Rs.0.87Crores
• Expected payback period : 1.7 Years.

Transformer Protection Device [TPD]for the 10KVA Pole Mounted Transformers

• To monitor daily units and monthly units for individual quarters.
• To safeguard the transformer and for trouble free power supply.

• Expected total savings from all Houses per year. In Units : 7.16Crore units. In Value : Rs.25.83 Crores

• Initial investment [1,745Nos.] : 18.14 Crores.
• Expected payback period : 11 Months.