Geothermal Energy

a cross section of the earth's core showing geothermal energy

What is Geothermal Energy?

An overview of the potential of geothermal energy including sources, heat pumps, geothermal power plants, hot dry rock technology, direct use and district heating using geothermal energy...

The Pros and Cons of Geothermal Energy

There has been an ongoing debate pertaining to the pros and cons of geothermal energy...

Guide to Geothermal Power Plants

Our Guide to Geothermal Power Plants explains the technologies in use and and being developed with clear explanations and animated illustrations.

Geothermal Flash Steam Power Plants

Follow our animation to see the workings of a geothermal flash steam power plant. High temperature water is piped from deep underground where it is 'flashed'...

Geothermal Dry Steam Power Plants

Dry steam power plants pipe steam directly from underground wells. Follow our animated illustration to see how dry steam power plants work...

Geothermal Binary Cycle Power Plants

Binary cycle power plants operate with water that isn't hot enough to make steam on its own. The hot water is used to transfer heat to working fluid with a low boiling point...

Enhanced Geothermal Power Plants

Enhanced geothermal system (EGS) expands the potential for extracting geothermal heat by injecting water into hot bedrock to encourage fractures that can circulate...

Direct Use Geothermal Energy

A direct-use application of geothermal energy uses heat from a geothermal source directly in an application...

Direct Use Geothermal for Aquacultural Applications

Using geothermal water in aquaculture (fish farming) to keep water temperatures consistent increases survival rates and promote faster growth...

Direct Use Geothermal for Agricultural Applications

Agricultural applications make direct use of geothermal water, using it to heat and water plants, to warm greenhouses, or to dry crops. Irrigation pipes...

Direct Use Geothermal for Industrial Applications

Geothermal water is an excellent low-cost source of steam or hot water for industrial operations such as drying, washing and various processing applications...

How to Invest in Geothermal Energy Stocks

Some geothermal companies are well-positioned for excellent growth. The leaders share some common traits: learn what to look for and profit with them...

Leading Geothermal Companies

There are a handful of major geothermal companies right now. Their growth has been impressive and the opportunities are enormous...