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ADVANTAGES: 1. Once a dam is constructed, electricity can be produced at a constant rate. 2. If electricity is not needed, the sluice gates can be shut, stopping electricity generation. The water can be saved for use another time when electricity demand is high.
Some Benefits of Building a Dam. Hydroelectric power-electrical power generation is a major benefit which may be cheaper and environmentally safer than energy derived from fossil fuels or other electrical engineering sources. Irrigation â regions with poor or unpredictable rainfall can be turned into fertile farmland.