the potential and economic assessments on the

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THE POTENTIAL AND ECONOMIC ASSESSMENTS ON THE APPLICATION OF THE POWER BASED ON THE DECENTRALIZED RENEWABLE RICE HUSK IN SOUTHEAST SULAWESI, A DEVELOPING PROVINCE IN EASTERN INDONESIA

FOR CICES UHO 2014 HALU OLEO UNIVERSITY

ADITYA RACHMAN – ABD.KADIR –NANANG ENDRIATNO MECHANICAL ENGINEERING DEPARTMENT OF HALUOLEO UNIVERSITY SOUTHEAST OF SULAWESI

November 10-11, 2014 | Kendari, Indonesia

O UT L I N E S     

Background Objectives Methodology Results Conclusion

COURTESY ADITYA UHO

CICES 2014 HALU OLEO UNIVERSITY

BACKGROUND

Energy important for development

Indonesia, a developing nation

Low energy percapita, low electricity ratio

Need to shift into more renewable and clean sources

High Subsidy on energy

Detrimental impact on environment

Unbalance supply and demand on energy

BACKGROUND SOUTHEAST SULAWESI

COURTESY ADITYA UHO

Sea (74% or 110.000 km²). Land (26% or 38.140 km²)

Population 2.2 million [Ind. 250 million] GDP 1600 USD [Ind. 3000 USD] Poverty 12 %

Electrcity ratio 52% [ Ind. 72 %] Electrcity per-capita 227 KWH /yr [ Ind. 677 KWH / yr ] Total power installed 210 MW [ Ind. 40 GW]

HDI 71 [ Ind. 73 ] Economic Dev. 11 % [Ind. 6 %]

BACKGROUND BIOMASS POTENTIAL The total employment from agricultural sector around 45 percent

Agricultural sector generating more than 30 percent of its GDP

POTENTIAL

Land availability, rivers & fertilizer soil characteristic

Climatic condition [annual rain]

BACKGROUND PADDY & OTHER FOOD CROPS PRODUCTION

BACKGROUND THE DISTRIBUTION OF PADDY PRODUCTION DOMINATE The concentration of paddy production in three districts ; Konawe, Konawe Selatan and Kolaka

OBJECTIVES Annual Energy

Number of Households

Cost of Energy

Power Capacity

Potential

Comparison to the cost under subsidy

Comparison to other energy costs

Economics

METHODOLOGY Assumption on the power capacity perhouseholds and the number of power plant operational days

Investment & OM Cost (Technical Report IRENA)

LCOE

LCOE Comparison to other energy costs

Data Annual Paddy Production [Angricultural Dept.]

Propoesed a model of power plant based on rice husk

- Annual Energy - Power capacity - Number of households

Var. Feedstock cost and Discount rate & Assumption of Project Life (25 yr) & Annual Degredation

RESULTS (POTENTIAL) 50 GWH, based on the porposed model of power plant [10 percent of the total annual current electricity use]

Power Capacity 5.8 MW [2.5 % current power intalled ]

The number of households potentially obtaining around 13 thousand, approximately 2.5 percent of the total households

DOMINATE

RESULTS (ECONOMIC) RH at the feedstock cost of 100 USD/ton < the energy costs based on diesel and gas.

RH at the lower feedstock cost of 25 USD/ton), < the energy cost based on gassteam and geothermal, and the electricity price under the government subsidy.

LCOE

OTHER

SUBSIDY

CONCLUSION

The annual potential huks energy is around 50 GWH, a 5.8 MW in capacity, potential delivering the service is more than 13 thousand,

At the feedstock cost of 100 USD/ton, it is possible to gain lower cost of the husk energy than that of the conventional electricity based on diesel and gas. As the cost is reduced to 25 USD/ton, it is possible to gain more attractive energy cost than those of the gas-steam and geothermal, as well as the electricity price under the government subsidy

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