Ribeira Grande Geothermal Power Plant, Portugal | 15.8 MW

Ribeira Grande is a geothermal power plant located in Portugal, with a capacity of 15.8 MW. Geothermal power plants like this one utilize heat from the Earth's interior to generate electricity, providing a stable and low-carbon energy source. The plant is operational and plays a role in Portugal's energy mix, which increasingly emphasizes renewable sources. As a geothermal facility, Ribeira Grande operates with minimal fuel costs and low emissions compared to fossil fuel plants. The technology typically involves extracting hot water or steam from underground reservoirs to drive turbines. Portugal has significant geothermal potential, particularly in the Azores region, where this plant is situated. The regulatory framework includes EU directives on renewable energy and environmental impact assessments. The plant's capacity of 15.8 MW places it in the small-to-medium scale for geothermal power. It contributes to local grid stability and supports Portugal's goals for reducing greenhouse gas emissions. Geothermal energy provides baseload power, complementing intermittent renewables like wind and solar.

Geothermal power plants like Ribeira Grande have a low environmental footprint compared to fossil fuel plants, with minimal CO2, SOx, and NOx emissions. However, they can release trace amounts of hydrogen sulfide and other gases from geothermal fluids. The plant's location in a volcanic region may involve careful management of geothermal reservoirs to prevent land subsidence or induced seismicity. Overall, geothermal energy is considered a clean and sustainable power source.