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"US DOE Pledges $74 Million to Boost the Development of Enhanced Geothermal Systems"

Pilot Projects Will Work to Scale EGS, And Help Provide Renewable Geothermal Energy to over 65 Million American Homes

(image source: unsplash.com, Sam Bark)

WASHINGTON, D.C.—The U.S. Department of Energy (DOE) today announced a funding opportunity of up to $74 million for up to seven pilot projects that will test the efficacy and scalability of enhanced geothermal systems (EGS). Directed by the landmark Bipartisan Infrastructure Law (BIL), the pilot projects will use innovative technology and a variety of development techniques to capture the Earth’s abundant heat resources in diverse geologic settings. Through this investment, DOE hopes the research and development from the findings would demonstrate the growth and ultimate potential for geothermal energy to provide reliable, around-the-clock electricity to tens of millions of homes across the country. This is DOE’s first funding opportunity for geothermal energy since the launch of the Enhanced Geothermal ShotTM , part of DOE’s Energy EarthShots Initiative, which seeks to cut the cost of geothermal energy 90% by 2035. 

“Advances in enhanced geothermal systems will help introduce geothermal energy in regions where, until recently, the use of this renewable power source was thought to be impossible,” said U.S. Secretary of Energy Jennifer M. Granholm. “These pilot demonstrations will help us realize the enormous potential of the heat beneath our feet to deliver clean, renewable energy to millions of Americans.” 

Geothermal energy currently generates about 3.7 gigawatts of electricity in the United States, but a new analysis shows it could provide 90 gigawatts of firm, flexible power to the U.S. grid by 2050, as well as heating and cooling solutions nationwide. This substantial geothermal energy potential is, however, largely inaccessible with conventional geothermal technologies. The use of geothermal energy for electricity requires three elements: heat, fluid, and a permeable section of the Earth’s crust. While heat exists everywhere underground, many locations lack adequate water and/or permeability. EGS employ human-made underground reservoirs to enable the fluid flow necessary to draw geothermal energy to the surface, where it can be captured to power homes across the country. Achieving this goal would make geothermal energy a clean, cost-effective option across the country, while spurring progress toward President Biden’s goals of 100% carbon-pollution-free electricity by 2035 and net-zero emissions by 2050.  

Applications for the BIL-funded EGS Pilot Demonstrations will be accepted over multiple rounds. First-round letters of intent are due March 8, 2023, and first-round applications will be due July 7, 2023. Learn more and read the full Funding Opportunity Announcement.  

To help a broad and inclusive range of interested entities apply, DOE is providing a voluntary Teaming Partner List where interested parties can provide contact information and their expertise for use in forming partnerships. 

An Enhanced Geothermal System (EGS) is a type of geothermal power generation technology that involves creating artificial underground reservoirs to produce hot water or steam, which can then be used to generate electricity. Unlike traditional geothermal power plants that rely on natural sources of heat, EGS systems can be established in areas with limited or no natural geothermal resources by creating new underground reservoirs through hydraulic stimulation or by using existing mines or depleted oil and gas reservoirs.

The process of creating an EGS involves injecting water into hot, dry rocks at depths of several kilometers to create a network of fractures, which then form a permeable system that allows hot water to circulate and generate steam. The steam is then collected and used to drive a turbine and generate electricity.

EGS has the potential to provide a significant amount of clean, renewable energy and can help to mitigate the effects of climate change. However, the technology is still in its early stages and there are technical and economic challenges that must be overcome in order for EGS to become a viable alternative to traditional sources of energy.

Source:(Energy.Gov)

#EGS #US #funding

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