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Semarang, 10 th -11 th of July 2011

TWG III – Energy Efficiency Master Plan TECHNICAL MEETING HOUSE HOLD AND PALM OIL MILL IN NORTH SUMATERA. Semarang, 10 th -11 th of July 2011. Universitas Sumatera Utara (USU) TWG III Team. HOUSE HOLD.

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Semarang, 10 th -11 th of July 2011

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  1. TWG III – Energy Efficiency Master Plan TECHNICAL MEETING HOUSE HOLD AND PALM OIL MILLIN NORTH SUMATERA Semarang, 10th-11th of July 2011 Universitas Sumatera Utara (USU) TWG III Team

  2. HOUSE HOLD • Household is the biggest runner up electricity consumer sector in Indonesia after industrial. • In 2003 electricity consumption in household sector reached 35.753,05 MWh, while industry reached 36.497,25 MWh. • By assumed the average of electricity requirement growth equal to 7% each year during time range of 30 years, it will cause electricity consumption in household sector increase piercingly out of 21,52 GWh in 2000 become about 444,53 GWh in 2030.

  3. Survey for House Hold • Profile of Padang Cermin village, Langkat Sub-Province • Padang Cermin is a village which is located in Langkat Sub-Province, it is about 35 km from Medan. Padang Cermin has wide area equal to 1948,2 Ha consisting of 837,6 Ha lowland land, 649,7 Ha plantation land and the rest is applied as settlement land and public facility. • Most of Padang Cermin people work as farmers, with population 11.997 people that consist of 6122 men and 5875 women. The major people graduated from Senior High School and only a few of them graduated from scholar education.

  4. Survey for House Hold • Profile of Padang Cermin village, Langkat Sub-Province • A number of people use electricity energy as energy source that is applied as lighting and to for some electronic equipments, but there are also some households which still use energy source from oil fuel as kerosene applied as lightings and cooking. • People’s houses taken as object of collecting data is distinguished based on level of attached electricity usage, that is 450 VA, 900 VA and 1300 VA. Survey is done to see electronic equipment applied and calculate capacity of each electricity equipment and usage duration.

  5. Bulb Lamps PricesNon Energy and Energy Saver Lamp

  6. Bulb Lamps Data figures for 450 VA HHsPadang Cermin village, Langkat Sub-Province

  7. Bulb Lamps Data figures for 900 VA HHsPadang Cermin village, Langkat Sub-Province

  8. Bulb Lamps Data figures for 1300 VA HHsPadang Cermin village, Langkat Sub-Province

  9. Households by Regency/Municipality and Occupancy Status of Dwelling Unit in North Sumatera

  10. NPV Calculation and scenario for 450VA HHs Bulb Lamps

  11. NPV Calculation and scenario for 900VA HHs Bulb Lamps

  12. NPV Calculation and scenario for 1300VA HHs Bulb Lamps

  13. Survey for Palm Oil MillPalm Oil Factory at PTPN IV MayangBosarMaligas • Palm Factory MayangBosarMaligas is located in Perdagangan, Sub-Province Simalungun,North Sumatera, it is about150 km from Medan.. Palm Factory MayangBosarMaligas was built 1951 with mill process of 40 ton/hour. • For steam requirement of electricity power, we need a boiler as the energy source. The used boiler is a waste tube boiler. Boiler has function to change water into high pressured heat vapor which then be used to turn around turbine blade integrated with electric generator to produce electricity.

  14. Palm Oil Mill Specification at PTPN IV MayangBosarMaligas

  15. Potential of liquid waste (POME) • Besides solid waste, liquid waste also has big enough capacity in palm industry. • Liquid waste especially produced during clarification processing, deposition and centrifugation which is done during CPO clarification processing. • According to the central of palm research (1992-1993) the capacity of liquid waste1-1,3m3/ton bunch of fresh fruit or 2-3 ton liquid waste/ton oil.

  16. Flow Chart of POME

  17. POME Calculation • Palm Oil Mills in North Sumatera, have capacity around 30 Ton FFB/hour to 60 ton FFB/hour. • Palm Oil Mills process during production will produce Palm Oil Mill Effluent (POME) . • Every each ton FFB produced 65% m3 of POME • If one Palm Oil Mill produce 40 ton FFB per hour then it will have 26 m3/hour POME • POME that produced from the Palm Oil Mill will process at anaerobic pool to have an Biogas. A Chemical Oxigen Demand (COD) is needed at some value to produce Gas from POME.

  18. POME Calculation • From the laboratorium data, COD normally is between 35 – 45 kg/m3 • With COD 40kg/ m3 we can calculate the production of BIOGAS. For examples for 26 m3 of POME will produce 1040 kg COD. • Every each kg of COD it will produce 35% of Biogas, with 1040 kg COD it can have 364 m3 Biogas. • With known Low Heating Value (LHV) of Biogas , and assuming 35% efficeincy , the power from generated power can be calculated. • And the generator input power is : • 364 m3 biogas x 35,880 MJ/m3= 3,63 MW(t)h (MW(t)h = Mega Watt thermal hour) • Power generated is 3,63 MW(t)h x 0,35 = 1,3 MW(e)h

  19. Data for NPV Calculation

  20. NPV Calculation

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