Cyber Journals: Multidisciplinary Journals in Science and Technology, Journal of Selected Areas in Renewable and Sustainable Energy (JRSE), September Edition, 2011
Power Crisis & Its Solution through Renewable Energy in Bangladesh Khairul Anam, Husnain-Al-Bustam, Department of Electrical & Electronic Engineering, Islamic University of Technology,
Abstract— Power is one of the most important factors for a developing country like Bangladesh. Like the rest of the countries of the world, the demand for power is increasing day by day in our country. At present, power failure has become an acute problem for this country. It has become hard to solve the power crisis. There are several reasons behind this problem such as limitation of resources, low generation capacity, high demand, derated capacity of power station machineries etc. To become a developed country, Bangladesh needs to overcome the problem of power crisis soon. Renewable energy can be a great source to solve the power crisis problem at a great extent. Here we have discussed about different forms of renewable energy that we can use to meet the increasing power demand of Bangladesh. We have mainly discussed those renewable energy sources which can be used in solving the power crisis of Bangladesh such as Solar energy, Bioenergy, Geothermal, Wind energy, Micro Hydro, Ocean wave energy and Tidal energy. Index Terms—Renewable Solution, Electricity Energy, Bangladesh, Power,
sources to eradicate the power crisis of Bangladesh, we have also discussed their present scenario and future potential.
II. PRESENT SCENARIO At present, 53% of the total electricity generation of Bangladesh is from the power plants under public sector and 47% of the net generation of the country is from private sector . Even though many extra units both from public and private sector have been added to the national grid, the power crisis is still a big issue in the country. So due to high demand, maximum generation of 2087 MW in 1995-1996, 2114 MW in 1996-1997, 3218 MW in 2001-2002, 3458 MW in 2002-2003, 3622 MW in 2003-2004, 3751 MW in 2004-05, 3812 in 200506, 3718 in 2006-07, 4130 MW in 2007-08, 4037 MW in 2008-09 could not remove power crisis in the country . In public sector, most of our power stations of the country have become very old and they are operating lower than their rated capacity with derated machineries. The demand of electricity cannot not be met due to this insufficient production of electricity around the country and as most of our power stations depend primarily on natural gas as fuel, because of the shortage of gas supply some power plants are unable to produce power of their rated generation capacity. Beside natural gas based power plants, other power plants are Hydro Electric Plant at Kaptai, the coal based plant at Barapukuria and several other power plants around the country. But the insufficient gas supply has decreased the power generation capacity in the whole country. In most cases, we have failed to use our national resources to get maximum power output. Industrial production and house hold life are regularly hampered due to regular load shedding problem which is hampering our economy as well as making us lag behind. As a result of the power crisis, degradation of the fossil fuel resource, deforestation, environmental pollution is going on which is causing natural disasters. If this situation continues, industries will face loss due to power crisis, production will become low and eventually economy of the country will fall behind which will cause the major industries to shut down resulting into poverty and unemployment. We can get rid of this situation through renewable energy. Renewable energy can help us improve the condition of power crisis and help us move forward economically and environmentally. Moreover, the environmental drawbacks of renewable energy sources are minimum. 13
I. INTRODUCTION Electricity is a very important factor in developing...
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XI. GEOTHERMAL ENERGY The thermal energy which is generated and stored inside the earth surface is called Geothermal energy. It is very much cost effective and environmentally friendly. With this technology, we can use the steam and hot water produced inside the earth surface to generate electricity. Geothermal energy is generated about 4,000 miles below the surface, in the earth’s core . The process takes place due to the slow decay of radioactive particles, the high temperature produced inside the earth and it happens in all rocks . About 10,715 megawatts (MW) of geothermal energy is generated in 24 countries worldwide . The northern districts of Bangladesh show the prospect to explore the geothermal resources. The demand of electricity in urban as well as in the rural areas are increasing, but our production of electricity is not increasing. The rural demand for electricity can be covered by the production of electricity through geothermal energy. The electricity demand of urban areas can be met then by these saved electricity which is 17
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