Feasibility Analysis of Grid/Wind/PV Hybrid Systems for Industrial Application

Santika, I Wayan Gede and Sudirman, Sudirman and Suamir, I Nyoman (2016) Feasibility Analysis of Grid/Wind/PV Hybrid Systems for Industrial Application. ARPN J. Eng. Appl. Sci, 11 (6). pp. 857-862. ISSN 1819-6608

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Abstract

The present study offers technical and economical analyses of grid-connected hybrid power systems for a large scale production industry located in Bali. The peak load of observed system can reach 970.630 kW consuming on average 16 MWh of electricity a day. Software HOMER was utilized as the optimization tool. The proposed hybrid renewable energy systems consist of wind turbines, a PV system, a converter, and batteries. The system is connected to the grid. Optimization results show that the best configuration is the Grid/Wind hybrid system with the predicted net present cost of -884,896 USD. The negative sign indicates that revenues (mostly from selling power to the grid) exceed costs. The levelized cost of electricity of the system is predicted to be -0.013 USD/kWh. The present study also conducts sensitivity analysis of some scenarios i.e. 50% and 100% increases in grid electricity prices, 50% reduction of PV and WECS prices, and 10 USD and 50 USD carbon taxes per ton CO2 emission. Implications of the findings are discussed.

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