Learn how geothermal energy can provide 24/7 clean power, heat, cooling, storage, minerals, and more from the National Renewable Energy Laboratory (NREL). Disc… Contact online >>
Learn how geothermal energy can provide 24/7 clean power, heat, cooling, storage, minerals, and more from the National Renewable Energy Laboratory (NREL). Disc
Experience and expertise to redefine possibilities in geothermal.
Work with our dedicated geothermal team and benefit from 40 years of geothermal experience - from evaluating your reservoirto choosing the right technology.
Our geothermal experts partner with customers across the project lifecycle – from exploration to planning, from drilling to production, to heat utilization. We''ve worked across the globe to deliver safe, renewable geothermal energy.
Our turbine portfolio offers complete power-generation solutions for both steam flashing applications and lower enthalpy Organic Rankine Cycle applications—delivering reliable energy supply with best-in-class efficiency and low total cost of ownership.
An operator in Iceland wanted to harvest energy from an enhanced geothermal system (EGS) at supercritical well conditions. Next-generation drilling technology was needed to effectively build a well under the extreme environment with a measured depth of 5000 m and a static temperature of 550oC.
Baker Hughes developed a prototype metal-to-metalmud motor with a mud-lubricated bearing assembly and a titanium transmission. Engineers also developed a new roller cone bit with all-metal cone seals, all-metal bellow for grease pressure compensator, and a new grease that maintain lubricity at high temperatures.
Our portfolio of time- and application–tested products, from drill bits to rotary steerable systems, are designed especially for high-temperature, harsh conditions.Our subsurface experts, located in nearly every geothermal region,are authorities on hot reservoirs, geomechanics, and reservoir chemistry.
The reliability built into our geothermal completion & production technology lets you optimize costs, even during the costly drilling and exploration phases. We design for speed and adaptability - so your cost is less and your return is more.
Our cementing and spacer solutions ensure the integrity of your well, and our production chemicals solutions keep them corrosion-free – so they''re set for life and producing as you expect.
Our turbomachinery solutions deliver reliable energy supply with best in class efficiency and low cost of ownership.
Baker Hughes is the geothermal energy expert. Learn more about how Baker Hughes is the only company in the world that can provide subsurface and surface products and services from planning to power generation.
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Geothermal energy has the potential to assist with many aspects of the transition to a clean energy economy, including energy storage, mineral extraction, and more.Graphic by Joelynn Schroeder, NREL
Colorado Gov. Jared Polis toured NREL, learning about the laboratory''s state-of-the-art research capabilities during the Western Governors'' Association event on Feb. 24, 2023.Photo by Joe Del Nero, NREL
The Milgro Nursery greenhouse near Newcastle, Utah, is one of the dozens of greenhouses nationwide that benefit from the direct use of geothermal energy. The Newcastle geothermal resource is located at the southeastern margin of the Escalante Valley, in the transition zone between the Basin and Range and Colorado Plateau physiographic provinces.Photo by NREL
Amanda Kolker, geothermal laboratory program manager at NREL.Photo by Joe Del Nero, NREL
Students explore a 3D visualization in the NREL Energy Systems Integration Facility''s Insight Center depicting a series of tunnels and boreholes in a mine in South Dakota. The project, in which NREL is a partner, used the South Dakota mine as a test bed of new, enhanced techniques for stimulating geothermal energy production. The red tubes represent injection wells, blue circles represent zones of fractured rock, white tubes represent fluid return wells, and orange tubes represent observation wells.Photo by Dennis Schroeder, NREL
NREL''s geothermal heat pump field provides reliable renewable heating and cooling to the NREL campus. Photo by Devin Egan, NREL
For community-scale heating and cooling systems, geothermal boreholes are usually drilled 10–500 feet deep. The boreholes provide interconnected buildings (districts) with constant temperatures that are used to both heat and cool buildings via heat pumps. The district uses pipes so water can circulate between buildings. In the summer, an energy station pumps cool water through pipes to buildings in the system. In the winter, hot water is pumped through the pipes while cool water returns to the energy station for reheating.Graphic by Marjorie Schott, NREL
Image by DOE Geothermal Technologies Office
Geothermal energy storage is also attractive because not many other technologies currently have the capability for long-duration storage. And those that do also have high expenses or impacts, such as building giant storage tanks, sourcing rare-earth materials like lithium, and lacking recycling options.
"But the Earth itself is a storage tank," said Guangdong Zhu, NREL group manager of thermal energy systems and executive director of the Heliostat Consortium for Concentrating Solar-Thermal Power.
Earth''s subsurface can provide energy storage as thermal energy (heat), chemical storage (of carbon dioxide—better known as carbon sequestration—and of hydrogen and other gases), and mechanical storage (by repurposing infrastructure at depth, such as wells, for this purpose).
The word "geothermal" means heat from the Earth.
The full potential of geothermal energy can be realized through creation of new well technologies and retrofitting of existing wells, hybridization with other renewables, novel power-generation resources and technologies, and community-based heating, cooling, and resilience.Graphic by Al Hicks, NREL
The geothermal system at Epic Systems Corporation is complemented by many other sustainability solutions such as heat reduction through rooftop gardens, wind turbines and acres of solar photovoltaics, and energy-efficient building envelopes. Epic''s buildings consume about 25% less energy than comparable buildings in the same climate. Photo from Epic Systems Corporation
Montana State University''s district energy system acts as a living laboratory for campus facilities professionals, engineers, and students—a hands-on learning opportunity to study and improve energy-efficient building design, right beneath their feet. Photo from Montana State University
The historic Inn on Boltwood, located in Amherst, Massachusetts, installed a geothermal system for heating, cooling, and hot water in 2009 for their 49 guest rooms and 8,000 square feet of event space. Photo from the Inn on Boltwood
The College of Southern Idaho''s geothermal system may be hidden on the surface, but stepping foot into the heating plants reveals another more colorful story. The vibrantly colored pipes move thousands of gallons of warm water per day for sustainable heating. Photo from College of Southern Idaho
The U.S. Department of Energy''s (DOE''s) Geothermal Technologies Office (GTO) has published a set of geothermal heat pump (GHP) case studies to help people better understand GHP systems, installations, and benefits.
These 19 studies detail GHP installations in climate zones across the United States, with varying system types, sizes, and end uses.
For most areas in the United States, subsurface temperatures are warmer than the air in winter and cooler than the air in summer—regardless of overall climate in a particular region. GHPs leverage these constant temperatures to heat and cool buildings more efficiently than traditional systems and can be used in individual buildings as well as networks for multiple buildings. However, homeowners or business owners interested in installing GHPs do not always have access to information about how the systems work or whether these systems are suitable for their areas.
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