What are the negative effects of geothermal energy?

The environmental effects of geothermal development and energy generation include changes in land use associated with the exploration and construction of plants, acoustic and visual pollution, the discharge of water and gases, the production of bad odors and soil subsidence. The environmental effects of geothermal energy depend on how geothermal energy is used or how it is converted into useful energy. Direct-use applications and geothermal heat pumps have almost no negative effects on the environment. In fact, they can have a positive effect by reducing the use of energy sources that can have negative effects on the environment.

Geothermal energy is a renewable energy source that will last until the Earth is destroyed by the Sun in about 5 billion years. The Earth's hot deposits are replenished naturally, making it renewable and sustainable. World energy consumption currently stands at around 15 terawatts, which is far from the total potential energy available from geothermal sources. While we are currently unable to use most reservoirs, there is hope that the amount of exploitable geothermal resources will increase with continued research and development in the industry.

It is currently estimated that geothermal power plants could provide between 0.0035 and 2 terawatts of energy. Geothermal energy is also at risk of causing earthquakes. This is due to alterations in the structure of the Earth as a result of excavations. This problem is more common with improved geothermal power plants, which force water to enter the Earth's crust to open fissures and further exploitation of the resource.

. To maintain the sustainability of geothermal energy, fluid needs to be pumped back into underground reservoirs faster than it runs out. The United Kingdom is even considering building the world's longest power connector between the United Kingdom and Iceland, which would provide more renewable energy to 1.6 million British homes that don't have geothermal heat pumps. In addition, it is planned to build the first commercial geothermal power plant in Cornwall (United Kingdom) if all the necessary funding is obtained.

This should come as no surprise, as some countries benefit from the presence of geothermal energy on a large scale. The best-known case is that of Iceland, whose electricity is 100% sustainable, using wind, hydroelectric and above all geothermal energy. Geothermal heat pump systems use 25% to 50% less electricity than conventional heating or cooling systems and, thanks to their flexible design, can be adjusted to different situations and require less space for hardware compared to conventional systems. Due to the fact that geothermal systems only have few moving parts that are protected within a building, the lifespan of geothermal heat pump systems is relatively high.

Heat pump tubes even have a warranty of between 25 and 50 years, while the pump can normally last at least 20 years. Fill out the form in just 1 minute. Another disadvantage is the high initial cost for individual households. The need to drill and install a fairly complex system at home causes the price to rise quite a bit.

However, the return on such investment is very promising, since the investment can be recovered within 2 to 10 years. Geothermal power plants generate small amounts of sulfur dioxide and silica emissions. The deposits may also contain traces of toxic heavy metals, such as mercury, arsenic and boron. TWI is a pioneer in geothermal energy research by providing solutions that help improve the flexibility and efficiency of geothermal systems while reducing plant operating costs.

Although geothermal systems are more expensive compared to other heating or cooling systems, they have much lower operating costs and deliver more energy per unit. The composition and properties of soil and rocks can affect heat transfer rates and should therefore be considered when designing geothermal systems. The initial costs of geothermal heating and cooling systems for homes and commercial buildings are also high. This makes geothermal systems difficult for homeowners in large cities to implement, unless a vertical ground-based heat pump is used.

This recycling helps to renew the geothermal resource and reduce emissions from geothermal power plants. Geothermal power plants use scrubbers to remove hydrogen sulfide that is naturally found in geothermal deposits. First, geothermal energy is extracted from the earth without burning fossil fuels, and geothermal fields produce virtually no emissions. .

Aria Lavoie
Aria Lavoie

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