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Showing posts from December 14, 2025

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Plum IV and CTR’s Geothermal Critical Minerals Deal Takes Shape

Plum Acquisition Corp. IV and  Controlled Thermal Resources Outline a Large-Scale Geothermal and Critical Minerals Platform Plum Acquisition Corp. IV (“Plum IV”) and Controlled Thermal Resources Holdings Inc. (“CTR”) are moving toward a proposed business combination that would create a public company focused on one of the most ambitious geothermal and critical minerals developments in the United States. The combined entity is expected to trade on Nasdaq under the pro forma ticker CTRH, reflecting a platform built around clean baseload power, lithium recovery, and broader critical minerals production. The investor presentation dated August 2026 frames the transaction around CTR’s Hell’s Kitchen project in Imperial County, California, which is presented as a strategically positioned resource opportunity with energy, minerals, infrastructure, and permitting advantages.   At the center of the presentation is a clear message: this is not just a power project, and it is not j...

Germany Unveils Groundbreaking KfW–Munich Re Program to De-Risk Deep Geothermal Heat Projects

Germany Launches Landmark Financing Program to Accelerate Deep Geothermal Heat Projects By: Robert Buluma Germany has taken a decisive step toward securing a climate-neutral heat future. On December 18, 2025, the German Federal Ministry for Economic Affairs and Energy (BMWK), KfW Development Bank , and global reinsurer Munich Re officially launched a groundbreaking funding program designed to unlock large-scale investments in deep geothermal energy for municipal and industrial heat supply. The new initiative, known as the KfW Geothermal Promotional Loan (KfW-Förderkredit Geothermie), directly addresses one of the most persistent bottlenecks in geothermal development: the high financial risk associated with drilling deep geothermal wells. By combining low-interest loans with comprehensive risk coverage, the program is set to significantly accelerate geothermal deployment across Germany. Why Deep Geothermal Matters for Germany’s Heat Transition While Germany has made remarkable progre...

American Critical Resources and Plum Acquisition Corp. IV Sign LOI for SPAC Merger to Advance U.S. Geothermal Lithium Project

Revolutionizing Energy: The Synergy of Geothermal Power and Lithium Extraction at Hell's Kitchen Posted by  Robert Buluma  on December 20, 2025 In an era where the world is racing toward sustainable energy solutions, the intersection of geothermal power and lithium production is emerging as a game-changer. As electric vehicles (EVs), renewable energy storage, and advanced technologies demand ever-increasing supplies of critical minerals, innovative projects are stepping up to meet the challenge. One such groundbreaking initiative is the Hell's Kitchen project by American Critical Resources (ACR), a subsidiary of Controlled Thermal Resources Holdings Inc. (CTR) . This California-based endeavor not only harnesses the Earth's natural heat for clean electricity but also extracts lithium a vital component in batteries ,directly from geothermal brines. With a recent announcement of a proposed business combination with Plum Acquisition Corp. IV (Nasdaq: PLMK), a special purpose ac...

Innargi Granted Permit for Geothermal Exploration and Production in Virum, Denmark

Geothermal Energy Permits in Denmark: Mapping the Country’s Quiet Heat Revolution (December 2025) By: Robert Buluma Denmark is globally admired for its wind power leadership, ambitious climate policies, and strong district heating systems. Yet beneath its flat landscapes lies another energy resource that is steadily gaining strategic importance: geothermal energy. As of December 2025, Denmark’s geothermal sector is entering a new phase marked by fresh permit applications, and even approval  expanding geographic interest, and stronger alignment with the country’s long-term decarbonization goals. An overview of current geothermal permits and applications reveals not only where development is happening, but also how geothermal energy is quietly positioning itself as a cornerstone of Denmark’s renewable heat future. Geothermal Energy and Denmark’s Heat Transition More than 60 percent of Danish households are connected to district heating networks, making heat decarbonization a national...

A Quiet Revolution Underground: Prenzlau’s Geothermal Leap Toward a Fully Renewable Heat Future

Prenzlau’s Geothermal Breakthrough: A Decisive Step Toward a Fully Renewable Heat Future By: Robert Buluma The city of Prenzlau, located in northeastern Germany, has reached a major milestone in its transition toward sustainable energy. In December 2025, Stadtwerke Prenzlau announced a decisive breakthrough in its geothermal project after successfully encountering geothermal water at a depth of 983 meters. This discovery represents a critical step forward for the city’s ambition to fully decarbonize its heat supply and positions Prenzlau as a leading example of how medium-sized towns can harness geothermal energy for district heating. The geothermal water discovered during drilling operations is estimated to be around 200 million years old and is contained within a saline sandstone formation deep underground. With a temperature of approximately 44°C and a planned production rate of 130 cubic meters per hour, the resource offers a reliable and continuous source of renewable heat. A test...

Strataphy and Baker Hughes Partner to Accelerate Geothermal Cooling in Saudi Arabia

Strataphy and Baker Hughes Forge Strategic Alliance to Accelerate Geothermal Cooling and Saudi Arabia’s Energy Transition By: Robert Buluma Saudi Arabia’s journey toward a low-carbon, diversified energy future has taken a decisive step forward with the signing of a strategic Memorandum of Understanding (MoU) between Strataphy and global energy technology leader Baker Hughes. Announced in Khobar in December 2025, the partnership signals a powerful convergence of deep-tech innovation and industrial-scale execution,aimed squarely at accelerating geothermal cooling and advancing the Kingdom’s broader energy transition agenda. At a time when cooling demand is surging across the Middle East,driven by rapid urbanization, giga-projects, data centers, and industrial expansion,this collaboration positions geothermal energy not merely as an alternative, but as a cornerstone technology for sustainable infrastructure in Saudi Arabia. A Landmark Agreement with Strategic Implications Under the MoU,...

Kiskunhalas Geothermal Project: Drilling Hungary’s Clean Energy Future

An Eight-Billion-Forint Geothermal Bet: Drilling the Future Beneath Kiskunhalas By Robert Buluma | Alphaxioms Insights |  Beneath the vast plains of Hungary’s Great Alföld, immense heat has been quietly stored for millions of years. Now, that hidden energy is poised to reshape the country’s energy future. The region around Kiskunhalas is set to become a focal point of Hungary’s geothermal ambitions, following the signing of a HUF 7.86 billion (approximately EUR 20 million) contract for geothermal drilling and well-testing works. The agreement was signed by a subsidiary of MVM Group , Hungary’s state-owned energy company, and covers geothermal exploration activities to be carried out over the next three years across several areas of the Great Plain. This marks one of the most significant state-backed geothermal initiatives in Hungary in recent years. Unlocking Earth’s Heat to Cut Energy Dependence The project’s strategic objective is clear: to pave the way for geothermal power pla...

How the Constellation–Calpine Merger Pushed Geothermal Into the Baseload Spotlight

Constellation–Calpine Merger: Why Geothermal and Firm Clean Power Now Matter More Than Ever By: Robert Buluma The U.S. electricity sector is entering a defining moment, one where scale, regulatory scrutiny, and the search for firm clean power, are converging. The approval of Constellation’s $26.6 billion acquisition of Calpine is not just a headline-grabbing merger; it is a powerful signal about the future structure of power markets and the growing strategic value of geothermal energy and other always-on renewables. As federal regulators force divestments, allow unprecedented scale, and reassert antitrust authority, one question becomes unavoidable: **where does geothermal fit in a power system increasingly dominated by mega-utilities? The Deal,and Why It Matters for Clean Baseload To close the acquisition, Constellation agreed to divest six power plants and a minority stake in a seventh across Texas, Pennsylvania, and Delaware. These concessions were demanded by federal regulators c...

PGEO Pioneers Indonesia's Geothermal-Powered Green Data Centers Revolution

PGEO’s Big Leap: Powering Indonesia’s Green Data Centers with Geothermal Energy By: Robert Buluma Indonesia’s digital economy is expanding at breakneck speed. With more than 212 million internet users, rapid cloud adoption, AI deployment, fintech growth, and government-led digitalization, the country is witnessing an unprecedented surge in demand for data centers. But behind the glowing screens and humming servers lies a critical question: how will Indonesia power this digital future sustainably? PT Pertamina Geothermal Energy Tbk (PGEO ) believes it has the answer,green data centers powered by geothermal energy. In a landmark move that could redefine the intersection between energy and digital infrastructure in Southeast Asia, PGEO has unveiled plans to expand its business into geothermal-powered green data centers, a first-of-its-kind initiative in Indonesia. This strategy places geothermal energy not just as a baseload power source, but as a cornerstone of the country’s low-carbon d...

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Dynelectro, Syntholene, and the Geothermal SOEC Breakthrough in Iceland

Dynelectro, Syntholene, and the Geothermal SOEC Breakthrough in Iceland Dynelectro’s role in the Syntholene Iceland project highlights a major shift in how the market should think about SOEC technology. For years, solid oxide electrolysis cells have been seen as highly efficient but too difficult to commercialize because of stack degradation, short operating life, and the complexity of integrating them into real industrial systems. This project helps challenge that view by showing how geothermal integration, advanced power electronics, and system-level design can make SOEC a credible industrial solution.   The most important takeaway is simple: the market has often misunderstood SOEC as a technology limited by chemistry alone, when in fact a large part of the challenge is operational. Dynelectro’s approach shows that if the stack is controlled properly and supported by the right electrical architecture, SOEC can move much closer to commercial viability. The Syntholene Iceland ...

Global Geothermal Insights: An Exclusive Interview with Drilling Engineer Sam Abraham

Global Geothermal Insights: Interview with Sam Abraham the Geothermal Global Technical Advisor at  Halliburton This interview was done by  Robert Buluma on 5th of November 7:30 Am EST At   Alphaxioms , we are committed to uncovering the deeper truths behind geothermal energy , the drilling, the risks, the innovations, and the frontiers. Today we welcome Sam Abraham , a veteran drilling engineer whose global geothermal experience spans more than 25 years. From oil & gas beginnings to geothermal hotspots around the world, Sam shares his journey, insights, and advice for the next generation. Career Journey & Background Sam, could you tell us about your career path and what led you into geothermal drilling? I have a background in oil and gas — seven years since 1991. I served as a base manager in Jakarta for three years, and also worked a little in geothermal alongside oil & gas. In 2005 I moved to New Zealand, given its vast geothermal resources. Fro...

PT Geo Dipa Energi Launches Strategic Minor Overhaul Tender for Dieng Unit 1 to Strengthen Geothermal Reliability

PT Geo Dipa Energi Opens Tender for Minor Overhaul of Dieng Unit 1 in 2026 Image: Indonesian Geothermal power plant PT Geo Dipa Energi (Persero) has opened a tender for the minor overhaul of the Dieng Geothermal Power Plant Unit 1 in 2026, signaling a continued focus on preserving the reliability of one of Indonesia’s most important geothermal assets. The procurement is aimed at selecting a qualified contractor with proven experience in turbine and generator maintenance for thermal power plants, underscoring the technical complexity and operational importance of the work. The tender, identified as RKS-004-PST/GDE/I/2026, uses a post-qualification bidding method and applies strict administrative, technical, and safety requirements. The schedule places document registration and collection between 26 and 28 January 2026, followed by a mandatory RKS explanation session and field visit on 29 January 2026. Procurement Scope and Process The procurement procedure requires prospective bidders...

Philippines Geothermal Drilling: Rufino "Dong" Cotanda Jr. on PGPC, EDC, ThermaPrime, and the Future of Geothermal Energy

Alphaxioms Exclusive: Inside the Philippines' Geothermal Drilling Success Story , A Conversation with Rufino "Dong" Cotanda Jr. Image : Rufino "Dong" Cotanda Jr The Philippines is the world's third-largest producer of geothermal electricity, with more than 2 GW of installed capacity. Behind this achievement is decades of technical expertise, sustained government support, and some of the world's most experienced geothermal drilling professionals. One of those professionals is Rufino "Dong" Cotanda Jr., a drilling veteran with over 45 years of experience in both oil & gas and geothermal operations. Having worked with Saudi Aramco , Desco , Unocal, Chevron , and now the Philippine Geothermal Production Company (PGPC), Dong has helped shape drilling programs across multiple continents. In this exclusive interview with Alphaxioms, he discusses the evolution of geothermal drilling in the Philippines, the technologies improving well performance,...

Exclusive Interview: An In-Depth Look at Exergy’s Game-Changing Gemini Turbine

Exclusive interview with Exergy : discover the new Gemini dual-flow radial outflow turbine, the first single-unit ORC solution for 30–60 MW geothermal projects, offering up to 30 % lower costs and 99 % availability. By:  Robert Buluma .   An interview with  Luca Pozzoni -  Deputy CEO | Group CFO - Exergy International and the Exergy Team 1. Can you walk us through the key design innovations in your new Gemini turbine and how it differs from previous models? The major innovation of the Gemini turbine lies in the dual-flow configuration: unlike conventional radial outflow turbines which are equipped with a single bladed overhung rotor disk, the Gemini features a double-side bladed rotor disk mounted in a between-bearing configuration. This enables the efficient processing of significantly larger volumes of fluid, leading to higher power output having basically two radial outflow turbines in a single machine with enhanced operational stability and simplified mainte...

INTERVIEW, Geretsried and Beyond: Eavor’s Blueprint for Reliable, Sustainable Energy

Robert Buluma :  Alphaxioms Responses were provided by Jeanine Vany, Executive Vice-President of Corporate Affairs, Eavor . Can you explain the key technological advancements in the latest iteration of the Eavor-Loop™ system? We have made a number of technological advancements at our project in Geretsried Germany . This includes innovation and learning resulting in dramatic improvements in our drilling performance and we’re proud to talk about our technology. For example, Eavor recently announced successful implementation of our in-house AMR (active magnetic ranging) tool which makes drilling more accurate and efficient. Eavor-Link™ AMR uses magnetic ranging while drilling to maintain constant alignment as it drills two wells at approximately 100 metres apart before they are intersected to create a continuous geothermal loop, which is then sealed with Eavor’s proprietary Rock-Pipe™ formula. With real-time data transmission between downhole sensors, the technology ensures tighter bo...

🔥 Krafla Magma Testbed: Drilling Into the Earth’s Fiery Heart

Krafla Magma Testbed (KMT) : Humanity’s Bold Leap Into the Heart of the Earth Interview  from Bjorn Gudmundsson the C.E.O-Krafla Magma Testbed and Team By:  Robert Buluma In 2009, deep beneath Iceland’s iconic Krafla volcano, a drilling team made history. During the IDDP-1 project, their drill bit pierced into magma molten rock at just two kilometers below the surface. What began as an accident became a scientific revelation. For the first time, humans had safely accessed magma. This “Eureka” moment gave birth to an idea so daring it almost sounds like science fiction: the creation of a permanent observatory where magma could be directly studied. That idea became the  Krafla Magma Testbed (KMT) a visionary international project that promises to rewrite the future of geothermal science, volcanic monitoring, and sustainable energy. Why Krafla? The Perfect Laboratory Beneath Our Feet Krafla’s  geology is unique. It offers a known shallow magma body, decades of research...

EGS, Superhot Rock & AI: Geothermal Expert Cary Lindsey on the Industry's Next 20 Years

“Inside the Next Wave of Geothermal Innovation: Opportunities, Risks, and Global Impact” By:  Robert Buluma An indepth interview with Cary Lindsey, PhD Research Scientist Great Basin Center for Geothermal Energy, Nevada Bureau of Mines and Geology, University of Nevada Reno  1. Enhanced Geothermal Systems (EGS) are often described as geothermal's "breakout technology." From a geological standpoint, what are the biggest unresolved uncertainties preventing large-scale commercial deployment ? The progress we've seen in EGS over the last few years has been incredible. For a long time, geothermal was largely limited to places where nature had already done the hard work for us by creating hot, permeable reservoirs. EGS opens the door to developing geothermal resources in places that were previously off the table. That said, there are still some big questions we need to answer. Can we maintain those engineered reservoirs for decades? How much liquid (water or brine) will the...

Driving the UK Toward Net Zero: Chris Sladen on Geothermal’s Untapped Potential

Alphaxioms, we talked to Chris Sladen about his involvement in geothermal both in the UK, and globally By:  Robert Buluma Chris, please begin by explaining a little about yourself, and why you have a passion for geothermal? I have spent over 45 years involved in energy. Following undergraduate studies in geology at Southampton University, and a PhD in sedimentology at Reading University, I joined the energy sector in Aberdeen in 1980. It was a fascinating era when it seemed like at least one giant oil & gas field was discovered offshore every month; the wealth creation for the UK was gigantic. I got to see so much geology and rocks - my true passion. I moved to China in late 1983; not today’s China, this was over 40 years ago, a country closed for decades and embarking on an open-door policy, in part to bring both investment and technology. I became very interested in energy trends, energy politics, and new geography created by changing politics leading to opportunities for ene...

Inside the Geothermal Startup Mind: The Strategy, Funding & Sacrifices Behind Teverra’s Growth

Inside a Geothermal Startup’s Mind: Strategy, Funding, Ethics, and the Brutal Race to Commercialize This interview was done by Robert Buluma on behalf of Alphaxioms  Image:  The Interviewee, Dr.  Hamed Soroush is the Founder and President at Teverra  There’s a certain kind of silence that exists inside fast-growing startups. Not the quiet of peace, but the quiet of pressure . It’s the silence of teams racing to commercialize before competitors arrive. The silence of founders balancing mission and survival. The silence of a clean energy industry that desperately needs success stories… but is still learning how to measure them. In this one-on-one interview, we explore what it really takes to build a geothermal-driven clean energy company in today’s market, from strategic decisions and funding discipline to leadership, ethics, and the painful sacrifices behind growth. 1)  Vision & Strategy: “Speed Is Everything” Q:   Teverra  has grown rapidly, but co...