1. CASINDO TEAM TWG III REGIONAL AREA WEST NUSA TENGGARA SEMARANG, JULY 2011

2. CASINDO Region NTB EE MEASURES Street lighting Households lighting Solar Water Heater Refrigeration

3. CASINDO Region NTB 1. STREET LIGHTING Replacing low efficacy with LED Total investment Rp. 133,866,500 Types of Existing BulbsEfficacy Power/U nit (watt) Number of Bulbs Types of LED Power/Unit (watt) Mercury/HPLN ( Mercury Fluorescent ) 52.5125622Streeth Light - HG 60W60 ML (Mercury Blended ) 18.5 160313Streeth Light - HG 25W25 ML (Mercury Blended ) 18.5 250147Streeth Light - HG 40W40 ML (Mercury Blended ) 18.5 500586Streeth Light - HG 80W80

4. CASINDO Region NTB STREET LIGHTING (CONT.) NPV figure

5. 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

6. CASINDO Region NTB 2. HOUSEHOLDS LIGHTING Replacing conventional bulbs with energy saving bulbs Investment Rp. 35000/bulb per households Pay Back Period : around 6 months Potential saving Rp. 3,249,450/month 1,384.44 kWh/month

7. CASINDO Region NTB HOUSEHOLDS LIGHTING (CONT.) NPV figure Total households in Mataram 84,095

8. CASINDO Region NTB HOUSEHOLDS LIGHTING (CONT.) For lower Expenses Category: For lower Expenses Category 30% replace 2 conv.bulbs  en. sav. Total replaced 12,993 units Potential saving: Rp. 312,757,744/month 71,720 kWh /month Higher Expenses  already use en. saving bulbs

9. CASINDO Region NTB HOUSEHOLDS LIGHTING (CONT.) For Medium Expenses Category: 50% replace 1 conv.bulbs  en. Sav. Total replaced 18,379 units Potential saving: Rp. 442,411,322/month 101,452 kWh /month Total potential saving Rp. 755,166,065/month 173,171 kWh/month

10. 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

11. CASINDO Region NTB WATER HEATER (CONT.) NNPV figure

12. CASINDO Region NTB WATER HEATER (CONT.)  Potential saving per unit SWH+EWH: Rp. 272,880/month 144 kWh/month

13. 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

14. CASINDO Region NTB REFRIGERATORS (CONT.) NPV figure

15. 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

16. CASINDO Region NTB THANK YOU VERY MUCH