Skip to main content

Just In

MND Completes Landmark Deep Geothermal Drilling Project in Košice, Powering Central Europe’s Clean Heating Future

MND Pushes Central Europe Toward a Geothermal Future with Landmark Košice Project Central Europe has just witnessed a major geothermal breakthrough. Czech energy and drilling giant MND has officially completed the drilling phase of one of the largest geothermal heating projects in Central Europe, marking a decisive moment not only for Slovakia’s energy future, but also for the wider European geothermal sector. Located in the city of Košice, Slovakia’s second-largest city, the ambitious geothermal development demonstrates how deep geothermal energy is rapidly transforming from a niche renewable resource into a strategic pillar of urban energy security, district heating, and industrial decarbonization. The announcement by MND revealed that three deep geothermal boreholes were successfully drilled to depths of up to 3.6 kilometers under difficult geological conditions. Once fully operational, the geothermal system could cover as much as 55% of Košice’s heat consumption — an extraordina...

"Uncovering the Intricate Bond between Geothermal Energy and Water: The Key to Unlocking Limitless Renewable Energy?

image source:(Unsplash.com ,jensen Newcomb)

Geothermal energy and water have an inextricable relationship that has captivated scientists and energy enthusiasts alike. This source of renewable energy is generated by tapping into the immense heat that originates from the Earth’s core. This heat, which is transferred to the surface through subterranean water reservoirs and geothermal reservoirs, is the key to unlocking the vast potential of geothermal energy.


To understand the relationship between geothermal energy and water, it's crucial to grasp how geothermal energy is produced. At the heart of geothermal energy production is the phenomenon of heat transfer, where heat is transferred from a hotter body to a colder body. In the case of geothermal energy, the heat source is the Earth’s core, and the heat is transferred to the surface through underground water reservoirs. When water is pumped from these underground reservoirs, it is heated by the Earth’s heat and can be used to generate electricity through a geothermal power plant.


However, geothermal energy production would not be possible without the indispensable role that water plays. Water is used not only as the medium for heat transfer but also as a means of cooling the geothermal steam that is produced during the power generation process. The heated water, also known as geothermal steam, is used to turn a turbine that generates electricity. The steam then needs to be cooled down, which is done by passing it through a heat exchanger where it condenses back into water. This water can then be reused in the power generation process, completing the cycle of heat transfer and energy production.


The relationship between geothermal energy and water is not without its challenges, however. The production of geothermal energy can have a significant impact on the water resources in the area. For instance, if too much water is pumped from an underground reservoir, it can lead to a reduction in water levels and have far-reaching consequences for the local ecosystem. On the other hand, the discharge of geothermal water into nearby rivers or lakes can also have an impact, altering the water temperature and chemistry and affecting aquatic life in the process.

The remedy to prevent too much water from being pumped from an underground reservoir and reducing water levels is to implement proper water management practices. Some of the methods that can be used to mitigate the impact of geothermal energy production on water resources include:


Monitoring and control of water withdrawal - The amount of water withdrawn from an underground reservoir should be monitored and controlled to ensure that it remains within sustainable levels.


Re-injection of water - Some of the water that is pumped from the underground reservoir can be re-injected back into the system, reducing the impact on water levels.


Treatment of geothermal water - The discharge of geothermal water into nearby rivers or lakes can be treated to reduce its impact on the aquatic ecosystem.


Implementation of conservation measures - Measures such as water recycling, rainwater harvesting, and water-saving technologies can be implemented to reduce the amount of water required for geothermal energy production.


Collaboration with local communities - Geothermal energy companies should work with local communities and stakeholders to ensure that their water needs are being met while also preserving the local ecosystem.


By implementing these measures, it is possible to mitigate the impact of geothermal energy production on water resources and ensure the sustainable production of geothermal energy

In conclusion, the relationship between geothermal energy and water is complex and multifaceted. Water is an essential component of geothermal energy production, serving as the medium for heat transfer and cooling. However, it is also a finite resource that must be managed carefully to ensure the sustainable production of geothermal energy. As we continue to explore the full potential of geothermal energy, it will be essential to strike a balance between energy production and water conservation.

Source: Article researched and written by alphaxioms.blogspot.com

#Geotermal #Water #Environment 

Comments

Hot Topics 🔥

Eavor steps back from operator role in the Geretsried geothermal project

Eavor at the Crossroads: What Geretsried Really Tells Us About the Future of Closed-Loop Geothermal By Alphaxioms Geothermal Insights | May 13, 2026 For years, Eavor Technologies was the geothermal sector's most talked-about enigma. The company raised hundreds of millions of dollars, attracted backing from heavyweights including BP , Chevron , Helmerich & Payne , and Temasek , and made bold promises about a proprietary closed-loop technology that would quietly revolutionise how humanity extracts heat from the earth. But it rarely said much in public. The secrecy was, to many observers in the geothermal community, a feature rather than a bug — protecting intellectual property, managing competitive intelligence, buying time. Now, Eavor is talking. And what it is saying is worth listening to very carefully. In an exclusive interview published on May 13, 2026, by GeoExpro editor Henk Kombrink, Eavor's new president and CEO Mark Fitzgerald — who took the role in October 2025 ...

Eavor Geretsried Geothermal Breakthrough: Inside the Closed-Loop Energy Revolution, Drilling Challenges, and Path to Scalable Clean Power

The Geothermal “Holy Grail” Just Got a Reality Check: Inside Eavor’s Geretsried Breakthrough By: Robert Buluma   May 22, 2026 It’s not every day a deep-tech energy company publishes a detailed technical report that openly documents what went wrong on its flagship project—and still comes out looking stronger. That’s exactly what Eavor Technologies did with its Geretsried geothermal project in Bavaria, Germany. The result is unusually transparent: part technical post-mortem, part validation of a technology many have doubted for years. And the core message is simple. They built it. It works. But it wasn’t smooth. The short version Eavor is trying to solve one of geothermal energy’s hardest problems: how to produce reliable heat and power anywhere, not just in rare volcanic hotspots. Their claim has always been bold: a closed-loop geothermal system that is scalable, dispatchable, low-carbon, and independent of natural reservoirs. Critics have long argued it wouldn’t survive...

GEN Electric Grid Impact Study RFP in Framingham Massachusetts Advances Utility Geothermal Networks

GEN Electric Grid Impact Study RFP Signals a Defining Moment for Geothermal Energy Networks in the United States By: Robert Buluma The United States geothermal sector is entering a new phase, one where geothermal systems are no longer being viewed only as sources of heating and cooling, but increasingly as strategic infrastructure capable of strengthening the electric grid itself. In one of the most important emerging developments in utility-scale thermal network deployment, the Home Energy Efficiency Team (HEET), in partnership with Eversource Gas, has officially launched a Request for Proposals (RFP) for a groundbreaking Electric Grid Impact Study focused on Geothermal Energy Networks (GENs), also referred to as Thermal Energy Networks (TENs). Backed by funding from the U.S. Department of Energy under grant “DE-EE0010662.0002 Home Energy Efficiency Team Utility-Managed Geothermal Pilot in Framingham, Massachusetts,” the initiative represents far more than a local energy pilot. It is...

Rodatherm Energy: The Refrigerant Gambit

By: Robert Buluma   Rodatherm Energy has done something no other geothermal startup has attempted at commercial scale: swapped water for refrigerant in a closed-loop system. The claim is 50% higher thermal efficiency than water-based binary cycles, achieved by circulating a proprietary phase-change fluid through a fully cased, pressurized wellbore. The company emerged from stealth in September 2025 with a $38 million Series A—the largest first venture raise in geothermal history. Lead investor Evok Innovations was joined by Toyota Ventures, TDK Ventures, and the Grantham Foundation. The engineering thesis is elegant. The execution risks are significant. This is an Alphaxioms examination of both. II. The Thermodynamic Distinction Every geothermal company you've covered moves heat using water or steam. Rodatherm moves heat using a fluid that boils and condenses inside the wellbore. In a conventional closed-loop water system (Eavor's model), water circulates as a single-phase liq...

China's Supercritical CO₂ Geothermal Heating Breakthrough: What It Means for the World

China’s Supercritical CO₂ Geothermal Heating Breakthrough: What It Means for the World By Robert Buluma | Alphaxioms Geothermal Insights | May 19, 2026 Introduction: A Quiet Breakthrough in Zhengzhou On May 19, 2026, a major but underreported milestone emerged from Zhengzhou in China’s Henan Province. China Huaneng Group , one of the country’s largest state-owned energy companies, commissioned what is believed to be the world’s first commercial geothermal heating system using supercritical carbon dioxide (CO₂) as its working fluid instead of water. The announcement did not generate major global headlines, yet its implications are significant. This is not just another geothermal pilot project. It represents a working demonstration of a fundamentally different geothermal architecture that could reshape how heat is extracted from the Earth, especially in urban district heating systems. The Zhengzhou project signals a possible shift in geothermal engineering thinking—from water-based sys...

Fervo Energy Is Sitting on a Lithium Goldmine: Why DLE + IPO Is the Billion-Dollar Move They Haven't Made Yet

Fervo Energy has raised $1.5B, slashed drilling costs, and is eyeing an IPO. But ignoring DLE lithium co-production leaves billions on the table. Here's why By Alphaxioms | Energy & Critical Minerals Analysis Image: Fervo Energy’s Nasdaq debut marks a defining moment for geothermal energy. ⚡🌍 Fervo Energy has become the undisputed poster child of next-generation geothermal. With over $1.5 billion raised, drilling times slashed, and high-profile power deals with Google and California utilities, they've proven that enhanced geothermal systems (EGS) can work at scale  But Fervo is leaving money in the ground. Literally. Every day, Fervo pumps millions of gallons of hot, pressurized brine through deep underground fractures at Cape Station (Utah) and Project Red (Nevada). They extract the heat, generate clean electricity, and then reinject the fluid. Job done. Except that brine isn't just water. Across the Great Basin — where Fervo operates — geothermal brines carry d...

Zanskar Advances Arizona Geothermal Project as Arizona Oil and Gas Conservation Commission Approves New Wells

Zanskar’s geothermal ambitions in Arizona gain momentum after the Arizona Oil and Gas Conservation Commission approved new exploration wells tied to the landmark MILESHIGH project near the Morenci copper mine. By:  Robert Buluma Arizona’s Geothermal Ambitions Surge Forward as New Wells Approved for Landmark Copper Mine Project Arizona is no longer sitting quietly on the sidelines of America’s geothermal revolution. In a development that could reshape both the state’s mining industry and its clean energy future, regulators have approved new geothermal exploration wells tied to the ambitious MILESHIGH geothermal project in Greenlee County. The approval signals far more than another drilling authorization—it represents a decisive step toward integrating geothermal energy into one of North America’s largest copper mining operations while potentially opening a new chapter for geothermal development across the American Southwest. The newly approved wells are associated with a groundbre...

The Retrofit Revolution: How GreenFire Energy Is Turning Abandoned Oil & Geothermal Wells Into Continuous Clean Power Without New Drilling

The Retrofit Revolution: How GreenFire Energy Is Unlocking Geothermal Power Without Drilling a Single New Well By: Robert Buluma   While much of the geothermal energy sector has been focused on breakthrough drilling techniques—deeper wells, hotter reservoirs, and complex engineered systems—a quieter revolution has been unfolding in the background. Instead of chasing entirely new subsurface frontiers, one company has chosen a radically simpler question: What if the answer was already in the ground? GreenFire Energy is advancing a retrofit-first geothermal strategy that targets one of the most overlooked opportunities in the global energy transition: existing wells that are underperforming, depleted, or completely abandoned. Rather than drilling new holes into the Earth, the company is reusing the infrastructure that already exists—turning stranded assets into continuous sources of clean, baseload electricity. This approach is not just technically elegant. It may also be one of ...

Iceland Drilling Company Reveals Future of Deep Geothermal Innovation

Exclusive Expert Insights on Superhot Resources, Cost Barriers, Africa’s Growth, and the Next Era of Geothermal Energy By : Robert Buluma   Image:Bruce Gatherer, Geothermal Drilling Business Development & Operations Advisor at Iceland Drilling Company, and Sveinn Hannesson, CEO, who provided the expert insights behind this exclusive interview. Geothermal energy is entering a new and far more extreme frontier. As the global energy transition accelerates, attention is shifting from conventional hydrothermal systems to superhot, ultra-deep, and engineered geothermal systems that promise dramatically higher energy yields and broader geographic applicability. In this exclusive expert exchange,  Iceland Drilling Company  shares detailed insights on the future of geothermal drilling,covering technical frontiers, cost structures, workforce challenges, Africa’s geothermal opportunity, oil and gas crossover, digitalization, partnerships, and what the next 10–15 years may hold f...

Arverne and Banque des Territoires Advance Geothermal Expansion Across the Île-de-France Region

Arverne and Banque des Territoires Accelerate Geothermal Energy in Île-de-France as France Deepens Its Clean Heat Revolution By: Robert Buluma   France’s geothermal ambitions have entered a bold new chapter. In a landmark move that could redefine how urban regions heat their homes, industries and public infrastructure, Arverne and Banque des Territoires have announced the creation of Francilienne de Géothermie , a dedicated company focused on developing, financing and operating geothermal projects across the Île-de-France region. The announcement, made on May 18, 2026, signals far more than another renewable energy partnership. It represents a strategic attempt to transform geothermal energy into one of the dominant pillars of regional decarbonization in France’s most densely populated and economically influential territory. At the center of this initiative lies a compelling idea: that the future of urban heating may not come from imported fossil fuels or unstable electricity...