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The dairy cattle business in Enrekang Regency not only produces the main products of fresh milk which are processed into Dangke (typical food of Enrekang Regency) but also are able to produce by-products in the form of alternative energy. The purpose of this study is to analyze the potential of renewable energy with the use of biogas on peoples dairy farms. The study was conducted in Cendana District, Enrekang Regency in May 2018 to April 2019. Data were collected by observation, interviews, and documentation with dairy farmers using purposive sampling method and analyzed using quantitative descriptive. The results show that feces production potential over the past two years from 804 dairy cows can produce 20.100 kg. Thus, the biogas produced is 1,608 m3/day, considering that one cow can produce biogas at 2 m3/day and 1 m3 of biogas can be used equivalent to 0.62 liters of kerosene and 0.46 liters of LPG gas. Besides that, the potential of biogas energy can meet the cooking needs of one family (4-5 people) for 536 hours or 22 days, considering that the energy contained in one m3 biogas is 2,000-4,000 Kcal or equivalent to 3 hours. Biogas technology has provided many benefits including improving the health of the farmers family, used to process cows milk into Dangke and save on purchasing LPG gas so that it can provide additional income for farmers, even though the resulting value is not large enough, but with a reduction in costs households issued each month.