CASINDO TEAMTWG III

REGIONAL AREAWEST NUSA TENGGARA

SEMARANG, 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 LED Power/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

NPV

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

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Months

NPV

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

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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

NPV

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