What is hydel power? What are the disadvantages of hydel power?
Answers
1. Environmental Consequences. The environmental consequences of hydropower are related to interventions in nature due to damming of water, changed water flow and the construction of roads and power lines. of Hydroelectric Energy
1. Environmental Consequences
The environmental consequences of hydropower are related to interventions in nature due to damming of water, changed water flow and the construction of roads and power lines.
Hydroelectric power plants may affect fish is a complex interaction between numerous physical and biological factors. More user interests related to exploitation of fish species, which helps that this is a field that many have strong opinions on.
Fish habitats are shaped by physical factors such as water level, water velocity and shelter opportunities and access to food. Draining would be completely devastating to the fish. Beyond this, the amount of water may have different effects on the fish in a river, depending on the type and stage of the lifecycle. Not all unregulated river systems are optimal in terms of fish production, because of large fluctuations in flow.
2. Expensive
Building power plants in general is expensive. Hydroelectric power plants are not an exception to this. On the other hand, these plants do not require a lot of workers and maintenance costs are usually low.
3. Droughts
Electricity generation and energy prices are directly related to how much water is available. A drought could potentially affect this.
4. Limited Reservoirs
We have already started using up suitable reservoirs for hydroelectric power plants. There are currently about 30 major power plants that are expected to generate more than 2.000 MW under construction. Only one of these projects was started in the last two years.
Rain water or river water stored in dams is made to fall from heights through the turbines which is connected to a generator. This emits power and we call it hydel power. The disadvantages are displacement of local community, harmful for wildlife