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Today, the world is getting worse cause the energy crisis. One of the solution to overcome the energy crisis is by reducing dependence on fossil energy sources by utilizing alternative energy sources. One of the energy is solar energy. In Indonesia, efforts to utilize solar energy have several advantages which are energy is available in large quantities. Solar energy in Indonesia has an intensity between 0.6 - 0.7 kW / m2, and energy is obtained for free. The study was conducted
on the southern coast of Java Island which is located at Ujung Kulon and Palabuhan Ratu. The research method uses an experimental set up where primary data is obtained from the directly into filed. At the research located in Ujung Kulon using the object of a 30 GT fishing vessel research had the potential of laying solar panels as many as 24 pieces with a total investment cost of 20 years amounting to Rp.234,600,000 and total investment for ship auxiliary engines of
Rp.11,393,466,345.55. For research at Pelabuhan Ratu using the research object of 10 GT capacity fishing vessel had the potential of laying solar panels as many as 20 pieces with a total investment cost of 20 years amounting to Rp.93,120,000 and total investment for ship auxiliary engines of Rp. 328,963,732.03. The value of long-term investment for 20 years shows that the value of PLTS investment is more profiTable than the value of investment in the auxiliary engine. The use of
PLTS is very environmentally friendly .It does not produce any exhaust emissions, while the total level of exhaust emissions in auxiliary engines for 1 year on a 30 GT fishing vessel is 2052,944 tons and on a fishing vessel, 10 GT capacity is 29,837 tons.
Keywords—solar energy; solar panel; invesment in PLTS; gas emission; fishing vessel