Abstract
The installation of 3 × 50 MW (150 MW DC) large utility scale solar power plant is ground based using ventilated polycrystalline module technology with fixed tilt angle of 28° in a 750-acre land, and the site is located about 115 km northeast of Karachi, Pakistan, near the town of ThanoBula Khan, Nooriabad, Sindh. This plant will be connected to the utility distribution system through a national grid of 220 kV outgoing double-loop transmission line. The 3 × 50 MW solar PV will be one of the largest tied grid-connected power projects as the site is receiving a rich average solar radiation of 158.7 kW/h/m2/month and an annual average temperature of about of 27°C. The analysis highlights the preliminary design of the case project such as feasibility study and PV solar design aspects and is based on a simulation study of energy yield assessment which has all been illustrated. The annual energy production and energy yield assessment values of the plant are computed using the PVSYST software. The assumptions and results of energy losses, annual performance ratio (PR) 74.73%, annual capacity factor 17.7%, and annual energy production of the plant at 232,518 MWh/year are recorded accordingly. Bear in mind that reference recorded data indicates a good agreement over the performance of the proposed PV power plant.
Highlights
Pakistan is experiencing an acute shortage of electricity and multifaceted energy crisis of about 7000 MW since many years, which is approximately 1/3 of the peak demand during extreme periods
The design software named PVSyst is used for this project, which can ensure that power supply mode is beneficial for the annual maximum power generating, through the angle adjustment, irradiation quantity minimum
This study provides an insight to investigate the energy yield assessment for 3 × 50 MW PV pilot project based on largescale turnkey development solar projects in Pakistan
Summary
Pakistan is experiencing an acute shortage of electricity and multifaceted energy crisis of about 7000 MW since many years, which is approximately 1/3 of the peak demand during extreme periods. According to the report of the Pakistan Economic Survey 2014-15 by the Ministry of Finance, the GoP would be inducted into 10400 MW through solar, wind, coal, and hydropower by the end of 2017 [5] For this purpose, the GoP prepared the national power policy through AEDB which allows energy departments from the local provinces and attached departments to issue the LOIs for all based IPPs to construct the solar PV power plants in remote areas. In order to improve the environmental condition, save ozone, and to decrease the emission of CO2/0.6 kg on per kWh into the atmosphere [8, 9], the 3 × 50 MW solar PV pilot project has been proposed as one of the renewable energy projects in Pakistan with IPP mode and will operate on a BOO business model In this case, a 3 × 50 MW solar PV project, LOI (land: 750-acre area), was issued by provisional GoS, and grid interconnection studies were approved by NTDC. The obtained data could be used as guidelines for the application of large-size solar PV plants in other countries within a similar nature [9]
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