Men of energy. In Bangladesh, the electricity comes

Men have been habituated to burn
fossil fuels to generate energy from long time ago. It has become an alarming
problem that climate has been changed day by day due to increasing use of the
fossil fuels. Burning coal, petroleum and other fossil fuels
is used to produce electricity, but which pollutes two vital elements like air
and water in our environment.  Renewal
energy is alternating source to produce energy and it do not any bad impact to
environment and keep safe of our environment. With a population of 163 million,
Bangladesh is a one of the most densely populated country. Rapid urbanization fueled by
stable economic growth has created a huge demand of energy. In Bangladesh, the
electricity comes from burning gas or fuel. The
utility electricity sector in Bangladesh has one National Grid with an
installed capacity of 15,379 MW as on February’ 2017 1. The Government
of Bangladesh has planned to increase power generation and the demand for
electricity in Bangladesh is projected to reach 34,000 MW by 2030.There is an
ambitious target to generate 2000 MW of renewable energy electricity by 2021 and
whose at least 10% would be met from renewable sources including solar power
system 2. For this purpose, the government is currently working to install
solar panel-based power projects connected with the national grid, which will
have a 572 MW capacity 3. From the statistics of solar system use in the
country we assume that 1000 MW energy might be come from solar system to meet
the 2000 MW renewable energy target. There is an urgent need to employ
renewable energy in every possible form and move toward the sustainable energy
sector. Photovoltaic system is
one of the most important and premising technology that are able to produce the
electricity to meet the electricity demand of the whole world 4. Since last
decade, the photovoltaic industry grows more than 40% per year due to decrease
in cost of PV system 5. There are two effective systems for solar
photovoltaic plant design. One is stand-alone system and other is grid
connected system. Karki et al. have done an analysis for grid connected PV
system in Kathmandu and Berlin by using PVsyst software 6. In the simulation
it is found that Kathmandu is able to produce more solar energy than Berlin
with the same system. Irwan et al. 7 have done a study to analyze for a 150kW
solar power plant. In the study we found that Cyprus has a high number of sunny
days in a year so investment of the solar plant is very effective. Shukla et
al. 8 performed the design and analysis of rooftop solar PV system for Hostel
building at MANIT, and determined the payback period of 8.2 years. Raturi et
al. 9 studied the grid connected PV system for Pacific island countries in
case study of 45 kWp GCPV system located at the University of the South Pacific
(USP) marine campus in Fiji. Further, Dawn et al. 10 showed the recent
developments of India in the solar sector. Matiyali et al. 11 evaluated the performance of a
proposed 400 KW grid connected solar PV plant at Dhalipur. Performance ratio
and several types of power losses were calculated. Value of the performance
ratio obtained was 78.1% from the results practicality of the solar
photovoltaic power plant was discussed.


From literature review, we found that PVsyst software is one
of the best software for simulation of sizing, optimizing, loss analysis and
financial analyses of a grid connected photovoltaic system 12. In this
paper we calculated financial analyses and did a simulation with PVsyst V6.43 software. Proper sizing and calculation of grid connected PV
system is done for the administrative building of Hajee Mohammad Danesh Science
& Technology University, Dinajpur, Bangladesh. In most of the previous
research studies, we found that research has mainly been done in sizing and
optimizing of solar systems but cost analysis is not carried out. Thus this research
is aimed at fulfilling the research gap which is missing in previous studies.

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