Dear colleagues,

An example of renewable energy is geothermal technology, which uses the heat from the earth's core to create electricity and heat buildings. Contrary to other renewable energy sources like wind and solar, this technology has the potential to offer a sizeable source of clean energy that is dependable and accessible around-the-clock. Drilling wells into the earth's crust in order to access the naturally occurring hot water and steam there is the fundamental concept behind geothermal technology. The steam and hot water are then utilized to drive turbines, which produce energy. Additionally, the leftover heat can be used to warm up structures, greenhouses, and other facilities.

There are several types of geothermal systems, including:

1. Dry steam power plants: These plants use steam directly from the earth to power turbines.

2. Flash steam power plants: These plants use high-pressure hot water from the earth to create steam, which is then used to power turbines.

3. Binary cycle power plants: These facilities heat a secondary fluid with lower-temperature water, causing it to vaporize and drive a turbine.

Geothermal technology provides advantages beyond just being a source of renewable energy. It emits very little greenhouse gas, uses just a small amount of land, and can offer a reliable energy source in places that frequently have power outages. However, there are a number of difficulties with geothermal technology. Drilling and maintaining geothermal wells can be expensive, and not every location has enough geothermal resources to be profitable. In addition, improper management of the high temperatures and pressures associated in geothermal energy production can lead to environmental problems.

Overall, geothermal energy has the potential to become a substantial source of clean energy in the future, but there is still work to be done in terms of research and development to overcome the technical and financial difficulties it currently faces.

Section Editors

Dr. M. Shoaib Anwar

Prof. Boronbaev Erkin

Prof. Gholamhossein Sodeifian

Dr. Mohammad Ebadollahi

Dr. Andrew Das Arulsamy

Assoc. Prof. Khalid Almutairi