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SRI WAHYUNI. Feasibility Study of Biogas Development as Alternative Energy on Individual and Group Basis. Commissioned by Suryahadi as Head and Amiruddin Saleh as Member Implementation of integrated poultry system with biogas technology approach is one of efficient technology for poultry’s waste treatment. The technology is using available natural microorganism to compose and process various organic matters on anaerobe condition. This will produce methane gas (CH4) and carbon dioxide (CO2) and qualified liquid and solid organic manure. The methane gas (CH4) can be use as gas fuel (BBG). Biogas production may contribute to sustainable agriculture as renewable resources and environmental friendly. The research was aimed to analyze feasibility of biogas as alternative energy sources on farmer’s individual and group basis. Particularly, the research’s objectives are : (a) to study waste treatment performance with biogas installation at research’s site; (b) to analyze feasibility of biogas development as alternative energy sources on farmer’s individual and group basis; (c) to analyze sensitivity of biogas development on cost component and the benefit to treat waste at 4 different site; (d) to identify intern and extern affecting that affect of biogas installation; and (e) to determine appropriate alternative strategy in the biogas installation development for farmer. Research’s location for group basis was implemented on cow farmer’s group at center of Bangka, province Bangka Belitung and at Cisarua, province West Java. For individual farmer, the research was conducted at Ciracas, East Jakarta, province of DKI Jakarta and Kaba Wetan Kepahiang, Bengkulu province. The study has been implemented as long as fourth months, from july to October 2008. The methods are investment feasibility analysis and SWOT analysis to formulate strategy for the four locations. The biogas reactor can be constructed both by cement and fiberglass. Biogas reactor from fiberglass is more effective and produces higher and better gas. Study at the four location both on individual and group basis by using liquid and solid organic manure are contribute to increase farmer’s income. Result of financial feasibility analysis with biogaster capacity 5 m and 17 m and interest rate 17% shows that biogas installation project is feasible to be implemented and developed. Investment cost to construct biogas installation is Rp. 19.800.000. Financial feasibility criteria for NPV individual biogas and 30 years project life are Rp. 35.173.048, B/C ratio (2,018) and IRR (31%). Feasibility criteria for NPV group biogas and 30 years project life is Rp. 259.882.871, B/C ratio (3,787) and IRR (60%). According to the calculation of switching value, the project is sensitive on variable cost and selling price changing in the revenue. Alternative strategy for the project development are including : (1) to improve productivity; (2) to expand marketing networks, (3) to use banking service for expansion, (4) to improving business management knowledge; (5) to maintain and improve product quality; (6) to strengthen farmer’s member by group, (7) to socialization biogas as alternative energy source and (8) improve production technology and product quality.

Analisis Kelayakan Pengembangan Biogas Sebagai Energi Alternatif Berbasis Individu dan Kelompok Peternak