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Description and Analysis of the Improvements Place Improvement type Power decrease (KW) Energy decrease (KWh) 34 ENERGY EFFICIENCY STUDY IN EL ARENAL DRINKING WATER PRODUCTION FACILITY Total economical savings (US$/year) Investme nt (US$) Total 277.24 1,213,323.36 45,684 33,053.80 9 Simple Payback Period (months) From Table 5-7, one can summarize the costs and benefits of a program to improve the efficacy of the pumps, as follows: Power savings : 277.24 KW Energy savings : 1,213,323 KWh Economical savings : 45,954 US$/year Investment : 33,054 US$ Simple payback period : 4 to 15 months (average 9 months) 5.7 OTHER IMPROVEMENTS Although they are not quantified, we recommend undertaking other improvements, such as the following: • Install measurement instruments, such as manometers and flow meters, for pump discharge (at least the first one) to verify the good operation of equipment and to avoid operating equipment far from its maximum level. Cavitation occurs because pumps work outside of their recommended operation levels. • Verify proper operation of check valves. • Study loss levels for water transmission systems (impulse and conduction pipelines); if they are high, consider replacing them with high-technology materials that ensure very low energy loss.
Description and Analysis of the Improvements ENERGY EFFICIENCY STUDY IN EL ARENAL DRINKING WATER PRODUCTION FACILITY 35
Page 1 and 2: ENERGY EFFICIENCY STUDY AT EL ARENA
Page 3: ENERGY EFFICIENCY STUDY AT EL ARENA
Page 6 and 7: Contents 6 Final Results...........
Page 8 and 9: Contents LIST OF TABLES Table ES-1.
Page 11 and 12: EXECUTIVE SUMMARY The El Arenal-Pai
Page 13 and 14: saving measures in medium-sized wat
Page 15: of low-cost, short-term investment
Page 18 and 19: Introduction The IDB sought to iden
Page 20 and 21: Introduction Step 1 Step 2 Step 3 S
Page 23 and 24: 2 GENERAL INFORMATION ABOUT THE FAC
Page 25 and 26: 2.3 DESCRIPTION OF THE FACILITY Thi
Page 27 and 28: 2.4 OPERATION REGIME The production
Page 29 and 30: 3 ENERGY SUPPLY AND DISTRIBUTION 3.
Page 31 and 32: 3.4 ENERGY HISTORICAL CONSUMPTION A
Page 33 and 34: 4 INSTITUTIONAL ANALYSIS 4.1 THE PL
Page 35 and 36: 5 DESCRIPTION AND ANALYSIS OF THE I
Page 37 and 38: Description and Analysis of the Imp
Page 39 and 40: 5.4 SUBSTITUTION OF CONVENTIONAL MO
Page 41 and 42: Description and Analysis of the Imp
Page 43: Description and Analysis of the Imp
Page 48 and 49: Final Results The analysis of poten
Page 50 and 51: Final Results • Get commitment fr
Page 52 and 53: Annex I ENERGY ANALYSIS OF ELECTRIC
Page 54 and 55: Annex I Table A1-9. Motor - Pump #2
Page 56 and 57: Annex I EL ARENAL PUMPING STATION T
Page 58 and 59: Annex I 10-inch pipeline; one manom
Page 60: Annex I Item Section Equipment Moto

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