Pros of hydro energy:

  • Hydroelectricity is the most widely used form of renewable energy as compared to the other energy resources and it is convenient making it the most popular option.

Cons of hydro energy

  • No matter how strong the reservoir may seem there is still a risk of it giving way and if it does it will cause great damage to the livelihood.

 

 

Pros of hydro energy

  • Hydroelectricity is the most widely used form of renewable energy as compared to the other energy resources and it is convenient making it the most popular option.
  • Hydroelectric power is completely independent of fossil fuels and doesn not envolve combustion or any burning of fuel and therefore does not release nay toxic chemicals and does not create any harmful products.
  • A hydroelectric power installation can be beneficial for fish breeding.
  • The cost is quite low and it is also an clean way of producing energy and the water can be reused and this means that the losses are minimal.
  • Hydroelectric power stations have really long lives and therefore and produce electricity for many years.

 

 

Cons of hydro energy

  • The major con of this is the need for a large enough reservoir. Constructing a reservoir is a big challenge in terms of money and time and families living there will need to be relocated.
  • No matter how strong the reservoir may seem there is still a risk of it giving way and if it does it will cause great damage to the livelihood.
  • Finding a place that is suitable for both the reservoir and turbine can be very hard.
  • Silt is a problem that also affects reservoirs
  • Earthquakes are another major concern when it comes to hydroelectricity power.
  • Land usage is a crucial factor, if the building of the reservoir not planned properly it can lead to wastage of land.

 

Hydro energy pros

1. Renewable

Hydroelectric energy is renewable source of energy. This means that we cannot use up. However, there’s only a limited number of suitable reservoirs where hydroelectric power plants can be built and even less places where such projects are profitable.


 

Hydro energy pros

2. Green

Generating electricity with hydro energy is not polluting itself. The only pollution occurs during the construction of these massive power plants. Once complete, the hydro energy plant is a pollution free plant.


 

Hydro energy pros

3. Reliable

Hydroelectricity is very reliable energy. There are very little fluctuations in terms of the electric power that is being by the plants, unless a different output is desired. Countries that have large resources of hydropower use hydroelectricity as a base load energy source. As long as there is water in the magazines electricity can be generated.


 

Hydro energy pros

4. Flexible

As previously mentioned, adjusting water flow and output of electricity is easy. At times where power consumption is low, water flow is reduced and the magazine levels are being conserved for times when the power consumption is high.


 

Hydro energy pros

5. Safe

Compared to among others fossil fuels and nuclear energy, hydroelectricity is much safer. There is no fuel involved (other than water that is). Also, hydro electric dams can be stopped or started in a very small amount of time, whereas, nuclear and thermal power plants can take up to three or even four days to either start up shut down completely.

 

Hydro energy pros

6. Virtually inexhaustible

The hydro energy is powered by water, which is actually provided by the sun due to evaporation of water from oceans. So as long as the sun is alive, hydro energy will be available.


 

Hydro energy cons

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.

 

Hydro energy cons

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.


 

Hydro energy cons

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.

 

Steam energy

 

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