Wind-solar hybrid energy capacity utilization optimization in power plants

Within the scope of the study, a techno-economic analysis of the transition to the hybrid model was made by establishing photovoltaic conversion plants in suitable regions in order to increase the capacity utilization rate in wind power plants and to utilize idle land. For this purpose, the scenario of hybridizing the Çeşme Vega Wind Power Plant, which is currently producing, with a photovoltaic system was discussed. In the first stage, current capacity utilization rates were determined by taking the production data of the wind power plant as reference. Secondly, parcel/land study was carried out in the area of the wind power plant and the wind farm area was divided into five independent lands. A photovoltaic solar energy feasibility study was conducted for these lands, including the distance between the stands, the amount of solar radiation, and the assumed losses. Based on the outputs obtained, 12 different scenarios in which these lands were used with monofacial or bifacial photovoltaic panels were discussed. Annual energy production, idle energy, net energy and capacity utilization rate were calculated for each scenario. Within the scope of the thesis, investment payback (amortization) periods for each scenario were calculated, taking into account the cost dimension. In the last stage, it was calculated to what extent the depreciation period changed for every 1% capacity increase with the addition of photovoltaic panels for all scenarios. As a result of this determination, 12 scenarios were compared and the scenario with the lowest rate was determined as the optimal scenario. As a result of the thesis, it has been revealed that the recommended use of idle capacity and land in wind power plants is an investment that provides significant profit potential in a short time. The model proposed in the study can be applied to dam lakes and suitable land spaces of hydroelectric power plants, in addition to wind power plants, and a significant capacity increase can be achieved. In the first part of the thesis, general information and literature review are given, and in the second part, theoretical details of the hybrid system components are given. The third section includes the calculation methods used in the study, numerical results and comments. In the last section, a general evaluation of the results was made and the development potential of the proposed model was mentioned.