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CASINDO TEAMTWG III
REGIONAL AREA
WEST NUSA TENGGARASEMARANG, JULY 2011
CASINDO Region NTB
EE MEASURES
Street lighting Households lighting Solar Water Heater Refrigeration
CASINDO Region NTB
1. STREET LIGHTING Replacing low efficacy with LED
Total investment Rp. 133,866,500
Types of Existing Bulbs EfficacyPower/
Unit (watt)
Number of Bulbs
Types of LEDPower/Unit
(watt)
Mercury/HPLN ( Mercury Fluorescent )
52.5 125 622 Streeth Light - HG 60W 60
ML (Mercury Blended )18.5
160 313 Streeth Light - HG 25W 25
ML (Mercury Blended )18.5
250 147 Streeth Light - HG 40W 40
ML (Mercury Blended )18.5
500 586 Streeth Light - HG 80W 80
CASINDO Region NTB
STREET LIGHTING (CONT.)
NPV figureStreet Lighting
-120000000
-100000000
-80000000
-60000000
-40000000
-20000000
0
20000000
40000000
60000000
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61
Months
NP
V
CASINDO Region NTB
STREET LIGHTING (CONT.)
Pay Back Period is about 36 months or 3 years
Potential saving Rp. 3,249,450/month 1,384.44 kWh/month
CASINDO Region NTB
2. HOUSEHOLDS LIGHTING
Replacing conventional bulbs with energy saving bulbs
Investment Rp. 35000/bulb per households
Pay Back Period : around 6 monthsPotential saving
Rp. 3,249,450/month1,384.44 kWh/month
CASINDO Region NTB
HOUSEHOLDS LIGHTING (CONT.)
NPV figure
Total households in Mataram 84,095
Households Lighting
-50,000.0
-25,000.0
0.0
25,000.0
50,000.0
75,000.0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
Months
NP
V
CASINDO Region NTB
HOUSEHOLDS LIGHTING (CONT.)
For lower Expenses Category:30% replace 2 conv.bulbs en. sav.Total replaced 12,993 unitsPotential saving:
Rp. 312,757,744/month71,720 kWh /month
Higher Expensesalready use en. saving bulbs
CASINDO Region NTB
HOUSEHOLDS LIGHTING (CONT.)
For Medium Expenses Category:50% replace 1 conv.bulbs en. Sav.Total replaced 18,379 unitsPotential saving:
Rp. 442,411,322/month101,452 kWh /month
Total potential savingRp. 755,166,065/month 173,171 kWh/month
CASINDO Region NTB
3.WATER HEATER
Replacing pure EWH with combination EWH +SWH (EWH for back up)
Investment Rp.10,000,000/unit SWH+EWH
Pay Back Period is 37 months or about 3 years
CASINDO Region NTB
WATER HEATER (CONT.)
NPV figure
SWH+EWH
-10,000,000
-8,000,000
-6,000,000
-4,000,000
-2,000,000
0
2,000,000
4,000,000
1 6 11 16 21 26 31 36 41 46 51 56
Month
NPV
CASINDO Region NTB
WATER HEATER (CONT.)
Potential saving per unit SWH+EWH:Rp. 272,880/month 144 kWh/month
CASINDO Region NTB
4. REFRIGERATORS
Replacing the existing refrigerators with the very efficient ones
Investment Rp. 1,796,400/unit refrigerator
Pay Back Period is about 88 months or about 7 years
CASINDO Region NTB
REFRIGERATORS (CONT.)
NPV figure
Refrigerators
-2,000,000
-1,500,000
-1,000,000
-500,000
0
500,000
1 6 11 16 21 26 31 36 41 46 51 56 61 66 71 76 81 86 91 96 101
Months
NP
V
CASINDO Region NTB
REFRIGERATORS (CONT.)
Total refrigerators in Mataram 626,506 units
Potential saving:– Rp. 1,066,593,867.14/month – 1,350,118.82 kWh/month
CASINDO Region NTB
THANK YOU VERY MUCH