Humans have harnessed geothermal energy as far back as the first century A.D. in Pompei, where baths were heated by hot springs. Today we're using that same concept to power major cities. Iceland’s capital city, Reykjavik, which has long been considered one of the cleanest cities in the world, heats 95% of its buildings using geothermal energy (1).

In Paris, the Dogger Aquifer has supplied geothermal heat and hot water since 1969 – powered by a limestone geological formation from 150 to 175 million years ago (2). 

It currently supplies 210,000 housing units. In mid-2021, drilling is set to begin in Paris on another geothermal well. In Munich, officials of the utility company Stadtwerke München (SWM) want to expand the geothermal district to 560,000 households.

In the US, Boise, Idaho is home to the largest geothermal heating system in the country. The system heats 6 million square feet for only about $1,000 a month, which pays for the electricity to pump it. Boise sits by a unique resource— a geological fault where 177-degree Fahrenheit water rises to the surface in the foothills just outside of town. And Idaho isn’t the only location in the US leveraging geothermal energy.

In fact, “the US already produces 3.7 gigawatts (GW) of geothermal electricity, or enough to power more than 1 million homes,” according to a report by Yale Environment 360 (3). These days, investors, government sectors, and oil and gas companies are getting on board with geothermal energy investing, due to its high potential to lend a hand in providing cleaner energy solutions. Here’s what investors should know.

Heat exists in the earth’s mantle around the world, no matter where you are standing. That’s because geothermal heat comes from the Earth’s core, where temperatures may reach 4,000-7,000°C. For perspective, the surface of the sun is approximately 5600°C (but at its core can reach more than 15,000,000°C).

While geothermal heat can naturally rise to the earth’s surface water through fissures, cracks and permeable rock, those presentations aren’t necessary to access the 

Even in locations that don’t have readily available resources that reach the surface, the heat from the earth’s core can still be made accessible. This is because deep drilling techniques allow hot water that sits two to three miles below the surface to be pumped and used to heat or to generate electricity.

The fact that geothermal heat is everywhere under our feet means that there is an “enormous untapped potential” for geothermal energy consumption.

Why Invest in Geothermal Energy Stocks or ETFs?

As the world continues to reduce its reliance on carbon energy, renewable energies become more important and more prevalent. While wind and 

 might come to mind more quickly when talking about renewables, geothermal could over power these. In part that’s because unlike the sun or the wind, geothermal energy is “always on,” per the US Department of Energy.

Chief Marketing Officer for Baseload Capital, an investment firm in Sweden focusing on geothermal projects, referred to the geothermal industry as “the sleeping giant.” This is because geothermal energy can provide significant energy resources at all hours of the day, combating climate change in a real way.

According to the US Department of Energy report, GeoVision: Harnessing the Heat Beneath Our Feet, geothermal technology has enormous potential in the US. Instead of electric-powered air conditioners and 

-powered heaters, for example, geothermal powered heating and cooling solutions can power American homes (4).

For geothermal energy to reach its potential in the US, three things have to happen according to the US Department of Energy report (5): 

Reduce costs and improved economics for geothermal projects

Improve education and outreach about geothermal energy

According to the report, by overcoming these technical and financial barriers, electricity generation through geothermal methods could increase 26-fold by 2050, providing 8.5% of the United States’ electricity, as well as direct heat. The US isn’t the only country looking underground to solve energy problems (6).

In Europe, the output of geothermal energy supply could increase eightfold by 2050, according to the International Renewable Energy Agency (7). As the world switches to more renewable sources of energy, geothermal will become more attractive to companies in the 

 sectors. These companies are already adept at drilling and accessing energy in difficult environments, deep beneath the Earth's surface.

) backed a $40 million funding round for Eavor, a Canadian geothermal energy firm, in early 2021. Eavor’s technology offers a closed-loop system that can potentially scale geothermal production, producing “enough heat for the equivalent of 16,000 homes with a single installation” (8).

Governments are also backing research around the world. In Utah, the Frontier Observatory for Research in Geothermal Energy (FORGE), funded by the US Department of Energy, is an underground research laboratory. In 2021, FORGE drilled its first well at a 65° angle from vertical reaching true vertical depth of 8,559 feet (9).

The laboratory offers a test environment for future Enhanced Geothermal Systems (EGS) projects around the world that enable access to geothermal in locations that require complicated drilling to access geothermal energy.

Breakthrough Energy Ventures, a fund backed by Bill Gates and other notable billionaires recently invested an additional $30 million in the startup Dandelion Energy, which heats homes with geothermal. When it comes to geothermal energy, it is less a matter of if and more a matter of when technology is able to fully harness the energy beneath the surface of the Earth.

With the number of potential disruptive and scalable technologies, eager large-scale investors, increasing public knowledge, and climate change imperative, geothermal will be getting more attention in the decades to come.

How Magnifi Can Help You Invest in Geothermal Energy

Geothermal is still a small and growing sub-sector of the energy industry and many of the biggest players are privately held. If you are interested in geothermal energy and renewables as a whole, there are a growing number of funds that are focused on renewable energy and incorporate geothermal energy as part of their investment strategy.

Check out some of the top geothermal energy investments 

There are many ways to add a geothermal energy investment to your portoflio, but perhaps one of the easiest routes is to invest in a similar ETF, such as a clean energy ETF that also contains exposure to geothermal energy stocks. Run a quick search or ask your AI-powered investing co-pilot to point you in the right direction.

What are some top geothermal energy stocks?

When looking for the top geothermal energy stocks, it is important to keep in mind there are many investments to choose from, but what makes a stock "the best" is the one that is best suited for your and your portfolio. For those looking to invest in geothermal energy stocks, run a quick search on Magnifi today and choose from the extensive list of investments with exposure to geothermal energy.

Where can I find some geothermal energy stocks?

The short answer? Magnifi! Simply type in the theme, sector, or industry you wish to invest in, for instance, "geothermal energy" or "best clean energy ETF" and Magnifi will return a variety of investments you can use to capture the power of this growing industry.

Why it is considered environment friendly?

Like many renewable energy solutions, what makes geothermal energy so environmentally friendly is the fact that it requires little to no 

 in order to harness, which drastically lowers the amount of greenhouse gases that are then released in the atmosphere.

Which company is the largest producer of geothermal energy in United States?

Calpine Corporation is not only the largest geothermal energy producer in the United States, but it is also the world's largest producer of geothermal power. The company operates approximately 50 percent of the geothermal plant capacity in the United States.

Does geothermal energy impact global warming?

Geothermal energy has much less of an impact on global warming than its fossil fuel and electric battery counterparts as the process is on that is naturally occurring. All companies do to harness this energy source is create pathways and systems that can harness that energy, no need to create it through means that could be harmful to the environment on a scale such as combustibles.

Any other questions, be sure to ask your 

“Reykjavik geothermal energy,” World Wildlife Foundation, 1 March 2012, https://wwf.panda.org/wwf_news/?204451/Reykjavik-geothermal-energy

“Geothermal – Greater Paris area making better and better use of enormous potential,” Think Geoenergy, https://www.thinkgeoenergy.com/geothermal-greater-paris-area-making-better-and-better-use-of-enormous-potential/

Robbins, Jim, “Can Geothermal Power Play a Key Role in the Energy Transition?” Yale Environment 360, 22 December 2020. https://e360.yale.edu/features/can-geothermal-power-play-a-key-role-in-the-energy-transition

“GeoVision: Harnessing the Heat Beneath Our Feet,” Office of Energy Efficiency & Renewable Energy, 29 May 2019, https://www.energy.gov/eere/geothermal/articles/geovision-harnessing-heat-beneath-our-feet

“GeoVision, Office of Energy Efficiency & Renewable Energy, https://www.energy.gov/eere/geothermal/geovision

GeoVision, Office of Energy Efficiency & Renewable Energy

“Global Energy Transformation: A Roadmap to 2050,” International Renewable Energy Agency (IRENA), https://www.irena.org/publications/2019/Apr/Global-energy-transformation-A-roadmap-to-2050-2019Edition

“Closed-Loop Geothermal Technology for a 24/7 Carbon-free future,” Eavor, https://www.eavor.com/technology/

“Utah FORGE Successfully Completed Drilling of First Deviated Deep Well,” Utah FORGE, US Department of Energy, 2 February 2021, https://utahforge.com/2021/02/02/utah-forge-successfully-completes-drilling-of-first-deviated-deep-well/

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