tulolähteet

Tulolähteet, also known as geothermal sources, refer to the natural heat that is generated and stored within the Earth. This heat is a result of the original formation of the planet and the radioactive decay of materials within the Earth's crust and mantle. Geothermal energy is harnessed by tapping into these natural heat sources to generate electricity or provide direct heat for various applications.

Geothermal energy is considered a renewable energy source because the heat is continuously produced by the Earth's natural processes. It is a sustainable and environmentally friendly option, as it produces minimal greenhouse gas emissions and has a small environmental footprint compared to fossil fuels. Geothermal power plants can operate continuously, providing a stable and reliable source of energy.

The primary types of geothermal resources include hydrothermal, geopressured, and enhanced geothermal systems. Hydrothermal resources are the most commonly used, where hot water or steam is extracted from underground reservoirs and used to drive turbines for electricity generation. Geopressured resources involve extracting hot water from deep, high-pressure formations, while enhanced geothermal systems involve injecting water into hot, dry rocks to create a reservoir.

Geothermal energy has been utilized for centuries for heating purposes, with ancient civilizations using hot springs and geysers for bathing and cooking. In modern times, geothermal energy is increasingly being used for electricity generation and direct heat applications, such as heating buildings, greenhouses, and industrial processes. The development of geothermal energy is supported by various governments and organizations due to its potential to reduce dependence on fossil fuels and mitigate climate change.