Renewable energy sources are intermittent in generating power since their meteorological parameters change continuously and require an energy storage device. A pumped storage hydro system is a viable, large-scale resource that is being utilized today for storing energy. The study aims to design a hybrid solar and pumped hydro storage system to fulfill the increased load demand for 10 years in Pauri Garhwal (Uttarakhand, India). For the pumped hydro storage system, a storage site is selected on Nayar River along with the solar radiation analyzed in an hourly basis for the location, with the load demand data collected from the Syunsi substation. The designed solar and pumped storage hybrid system is found to satisfy the domestic and commercial load demand with 2594 panels each of 320 W along with 8100 m3 reservoir capacity. The pumping and generation of the system are scheduled for 8 and 16 h, respectively, for which the cost of power generation for solar and pump storage plants is estimated at around 0.051 US $/kWh and 0.069 US $/kWh, respectively. The study demonstrates a successful load-demand balance with an estimated energy cost of 0.093 US $/kWh when calculated analytically and 0.099 US $/kWh by software modeling.

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Techno-Economic Analysis of Integrated Solar and Pumped Storage Hybrid System: A Case Study in India

  • Upendra Bajpai,
  • Prabhat Yadav,
  • Amit C. Bhosale,
  • Sunil Kumar Singal

摘要

Renewable energy sources are intermittent in generating power since their meteorological parameters change continuously and require an energy storage device. A pumped storage hydro system is a viable, large-scale resource that is being utilized today for storing energy. The study aims to design a hybrid solar and pumped hydro storage system to fulfill the increased load demand for 10 years in Pauri Garhwal (Uttarakhand, India). For the pumped hydro storage system, a storage site is selected on Nayar River along with the solar radiation analyzed in an hourly basis for the location, with the load demand data collected from the Syunsi substation. The designed solar and pumped storage hybrid system is found to satisfy the domestic and commercial load demand with 2594 panels each of 320 W along with 8100 m3 reservoir capacity. The pumping and generation of the system are scheduled for 8 and 16 h, respectively, for which the cost of power generation for solar and pump storage plants is estimated at around 0.051 US $/kWh and 0.069 US $/kWh, respectively. The study demonstrates a successful load-demand balance with an estimated energy cost of 0.093 US $/kWh when calculated analytically and 0.099 US $/kWh by software modeling.