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Top 10 Critical Geothermal Energy Problems Costs Risks Seismicity

Top 10 Geothermal Problems: Why a 24/7 Resource Still Struggles to Scale Image credit : Fida, C.E.O Geosilica... This is what scaling looks like downhole in geothermal pipes Intelligence; Strategy for the Geothermal Decade Geothermal energy is often presented as the clean firm resource that can support a renewable electricity system around the clock. It does not depend on sunshine, it can operate through calm weather, and it can provide heat and power for decades. Kenya already relies heavily on geothermal generation , Iceland uses geothermal heat across its economy, and next generation developers are now signing large power contracts with technology companies seeking reliable carbon free electricity. Yet the global geothermal sector remains small compared with solar and wind, with installed electricity capacity still near 16 GW.  That gap is not caused by one obstacle. It is produced by a chain of interlocking problems involving geology, drilling, finance, permitting, public acce...

Italy’s First Geothermal Auction Under FER2 Marks Energy Turning Point

Italy Opens First Geothermal Auction Under FER2 Incentives Image: These are real operational geothermal power plants in Larderello, Tuscany—the world’s oldest geothermal production area. The visible steam plumes come from cooling towers that are part of electricity generation using underground heat. By:  Robert Buluma Italy is preparing to reopen one of the most historically significant chapters in global energy innovation—its geothermal sector—through a structured, modern financial mechanism designed to unlock stalled development. Under the newly established FER2 incentive scheme, the country will hold its first-ever geothermal energy auction on 8 June 2026, marking a pivotal moment in Europe’s renewable energy transition. This is not just another renewable energy policy update.  It represents a strategic attempt by Italy to revive a sector where it once led the world but has since seen stagnation for nearly a decade. With 30 MW of geothermal capacity allocated specifically f...

Geo Dipa Launches Open Tender: Rig Bundling Services Now Available for Jailolo Geothermal Exploration

PT Geo Dipa Energi (Persero ) has recently announced an open tender for Rig Bundling Services specifically for the Jailolo geothermal exploration project in West Halmahera, North Maluku, Indonesia.  This procurement marks a significant step forward in advancing geothermal energy development in one of Indonesia's promising frontier areas. The tender, referenced under announcement number 008.PLL/PST.PBJ-GDE/III/2026 (or similar variations noted in related documents), invites qualified contractors to provide integrated drilling services. The scope involves drilling two exploration wells in the Jailolo Geothermal Working Area (WKP Jailolo) using a 1000-1500 HP rig, bundled with essential supporting services. These include mud logging, H2S safety monitoring, water supply transfer systems, tubular/OCTG inspection, casing running, drill bits, drilling cuttings and waste management, and fuel supply. This bundled approach streamlines operations, reduces risks, and optimizes costs for the st...

Ormat Technologies: The Undisputed Leader in Indonesia's Geothermal Concessions – Spotlight on the Telaga Ranu Victor

Ormat Technologies : Why It Remains the Go-To Choice for Geothermal Concessions in Indonesia Spotlight on the Latest Telaga Ranu Award By: Robert Buluma Posted on January 17, 2026 by Alphaxioms Geothermal News Indonesia, with its vast volcanic landscape, holds one of the world's largest untapped geothermal potentials, estimated at around 28,000 MW. The government has been aggressively pushing for geothermal development as part of its energy transition, aiming to replace diesel-based power with reliable, baseload renewable energy. In this competitive arena, Ormat Technologies, Inc. (NYSE: ORA) consistently emerges as the preferred partner for major concessions and projects. On January 15, 2026, Ormat announced it was awarded the Telaga Ranu Geothermal Working Area in Halmahera, North Maluku, by Indonesia's Ministry of Energy and Mineral Resources. This came after a competitive tender involving four qualified bidders, including major players like PT Pertamina Geothermal Energy an...

Hyundai Builds World’s Largest Single-Unit Geothermal Power Plant

Hyundai E&C Breaks Record: Building the World’s Largest Single-Unit Geothermal Power Plant in Indonesia By:  Robert Buluma In a remarkable feat of engineering, Hyundai Engineering & Construction ( Hyundai E&C) has just completed the Sarulla Geothermal Power Plant (Sarulla GPP) in North Sumatra, Indonesia now officially recognized as the world’s largest single-unit geothermal power plant with a capacity of 330 MW. This milestone not only showcases Korean engineering excellence on the global stage but also marks a significant step forward for clean, reliable renewable energy in Southeast Asia. A Giant Leap for Geothermal Energy Located in the Sarulla region of North Sumatra, the plant consists of three units that together deliver 330 megawatts of clean electricity enough to power approximately 2.1 million Indonesian households. What makes Sarulla truly special is its single-unit design. While many geothermal projects around the world are built in smaller, modular phases...

Indonesia’s First 50:50 Geothermal Joint Venture Takes Shape — PT Daya Mas Bumi Sentosa Officially Launched

In a landmark move that signals Indonesia’s deepening commitment to renewable energy, PT DSSR Daya Mas Sakti — part of the Sinar Mas Group  — and PT FirstGen Geothermal Indonesia , a subsidiary of the Energy Development Corporation ( EDC ) , have officially formed a joint venture company named PT Daya Mas Bumi Sentosa . By:  Robert Buluma This follows the signing ceremony held in August, marking the official wrap-up of one of the most anticipated geothermal partnerships in the region. The new company, PT Daya Mas Bumi Sentosa , represents the first-ever 50:50 geothermal partnership of its kind in Indonesia — a perfect balance of local expertise and international technical excellence. A Powerful Collaboration for a Sustainable Future The newly formed entity will spearhead the exploration and development of six geothermal prospects across Indonesia , with a combined development capacity of 440 megawatts (MW) . This strategic partnership aims to accelerate the nation’s shift ...

ADB Reaffirms Commitment to Indonesia’s Geothermal Future with $180 Million Boost for Clean Energy Development

The Asian Development Bank (ADB ) has once again demonstrated its steadfast commitment to advancing renewable energy in Southeast Asia, approving a $180 million loan to support PT Geo Dipa Energy (GDE) By: Robert Buluma Indonesia’s state-owned geothermal company — in scaling up geothermal electricity generation across Java Island. This funding marks the second additional financing under the Geothermal Power Generation Project, which focuses on constructing and commissioning two geothermal plants, each with a capacity of 55 megawatts. These facilities will contribute much-needed base-load power to the Java–Bali electricity grid, reducing carbon dioxide emissions by over 550,000 tons annually — a significant step toward Indonesia’s decarbonization goals. > “ADB is pleased to partner with the Government of Indonesia in advancing the country’s sustainable energy transition,” said Jiro Tominaga, ADB Country Director for Indonesia. “PT Geo Dipa Energy plays a catalytic role in driving the...

Medco Power Launches Geothermal Drilling in Bonjol, Targeting 60 MW of Clean Energy”

Medco Power  Kicks Off Geothermal Drilling in Bonjol, Targeting 60 MW Clean Energy By:  Robert Buluma Pasaman, West Sumatra – Indonesia’s transition to clean energy has reached another milestone as PT Medco Power Indonesia , through its subsidiary PT Medco Geothermal Sumatra,  officially began drilling its first geothermal exploration well in Bonjol, Pasaman Regency. The inaugural well, BNJ-1 , was spudded on 11 September 2025 in a ceremony attended by the Governor of West Sumatra, Mahyeldi Ansharullah ,  Medco Power President Director Eka Satria , local government leaders, traditional community representatives, and local stakeholders. A Step Toward 60 MW of Renewable Power This drilling marks the first of two planned wells, with a total estimated potential of 60 MW of clean electricity. The project, categorized as part of Indonesia’s National Strategic Projects under the Electricity Supply Business Plan (RUPTL 2025–2034), is expected to be completed by the ...

Towards a Shared Future: Indonesia and New Zealand Launch the Geothermal Partnership Program PINZ

Amidst the bustle of the capital city, a monumental moment took place at the Slamet Bratanata Building of the Ministry of Energy and Mineral Resources (ESDM):  By: Robert Buluma Indonesia and New Zealand officially launched the Indonesia–Aotearoa New Zealand Geothermal Partnership Program (PINZ). This cross-country initiative not only marks a new era of bilateral cooperation but also underscores Indonesia’s strategic steps in advancing its clean energy transition. With an ambitious target of increasing geothermal capacity by 1.1 GW over the next five years , PINZ is not merely a technical project—it is a declaration that Indonesia is serious about becoming a global geothermal powerhouse , surpassing even the United States. Shaking the Global Energy Status Quo “Energy transition is not a choice—it’s a necessity,” asserted Eniya Listiani Dewi, Director General of New and Renewable Energy and Energy Conservation (EBTKE). In her stirring address, she emphasized that Indonesia’s success...

Supreme Energy Strikes Geothermal Power Deal In Indonesia Worth Billions

Supreme Energy: Powering Indonesia’s Future with Geothermal Energy By: Robert Buluma Geothermal energy continues to gain traction in Indonesia as a sustainable and reliable energy source, thanks to visionary initiatives like those of Supreme Energy. Backed by an unwavering commitment to environmental sustainability and energy security, Supreme Energy has positioned itself as a leader in geothermal development across Indonesia. Powering Progress: The Landmark Power Purchase Agreement   In December 2012, Supreme Energy, in collaboration with Japan’s Marubeni and France’s GDF Suez, signed a groundbreaking Power Purchase Agreement (PPA) with Perusahaan Listrik Negara (PLN). This partnership set the stage for the development of the Rantau Dedap geothermal power plant in South Sumatra, a project worth $2.2 billion. The Rantau Dedap plant, with its planned two 110 MW generators, underscores Indonesia's ambition to harness its geothermal potential. Despite logistical challenges posed ...

Ormat Drills 3 Exploratory Wells In A Pot Of Gold

Gold Meets Steam: A Game-Changing Geothermal Venture in North Sulawesi By: Robert Buluma : steam gushes orit of a geothermal well,wells of power In the heart of North Sulawesi's Bitung area, a groundbreaking partnership has emerged, one that promises to reshape both the energy and mining landscapes. The collaboration between Ormat, a global leader in geothermal technology, and Archi, a prominent gold mining company, is not just another business venture—it’s a bold statement of innovation and ambition. Established in early 2021, this joint venture is an intriguing fusion of resources and expertise. Archi, well-known for its operations in the gold-rich Toka Tindung area, is now diving into uncharted territory with geothermal energy. Ormat, on the other hand, has taken on the monumental task of managing the A-to-Z operations of this geothermal project. In return, Ormat will command a three-quarters share of the venture’s stakes, leaving Archi with a quarter—a reflection of the immense...

Preliminary Survey and Geothermal Exploration Area Offer: Bora Pulu

Geothermal Exploration Opportunities in Central Sulawesi: The Bora Pulu Area By:  Robert Buluma The Ministry of Energy and Mineral Resources  ESDM has recently announced the opening of a tender for a geothermal exploration area in the Bora Pulu region, located in Sigi Regency and Palu City, Central Sulawesi. This is a significant opportunity for business entities engaged in the geothermal sector, offering a potential 52 MWe of geothermal reserves over an extensive area of 78,388 hectares. The Bora Pulu Geothermal WPSPE The geothermal Preliminary Survey and Exploration Assignment Area (WPSPE) named Bora Pulu represents a promising site for energy developers. The area is strategically located in Central Sulawesi, a region known for its geothermal potential. With possible reserves estimated at 52 MWe, this project could be a significant contributor to Indonesia's renewable energy goal Who Can Participate? The tender is open to business entities with experience in geothermal ener...

Chubu Electric Bolstering Indonesia and Geothermal Sectors

Chubu Electric: Powering Up Indonesia's Geothermal Future We are a TotalEnergies Nominee For The Startupper of the Year Challenge and Your Vote is Very much vital towards our win, please Vote By:  Teflon Don Japan’s energy giant, Chubu Electric, is making headlines with its ambitious plans to bolster geothermal investments in Indonesia. In a move that underscores its commitment to sustainable energy, Chubu Electric is not just investing in Indonesia’s geothermal potential but is also making significant strides globally. This expansion is marked by their investment in Eavor, a groundbreaking geothermal technology company, and the development of an 8.2 MW geothermal project in Germany. A New Dawn for Indonesia's Geothermal Landscape Indonesia, known for its rich geothermal resources, is set to benefit immensely from Chubu Electric's investments. The archipelago, sitting on the Pacific Ring of Fire, boasts some of the world's most potent geothermal energy reserves. With Ch...

Indonesia's 46 MW Nage Geothermal Set To Auction

Exciting Developments in Indonesian Geothermal Energy: The 46 MW Nage Geothermal Plant Auction By: Robert Buluma The energy landscape of Southeast Asia is on the brink of a transformative shift, as the Indonesian Ministry of Energy and Mineral Resources (Kementerian ESDM) recently announced a highly anticipated tender for the Nage Geothermal Working Area (GWA) on Flores Island. This landmark project aims to harness the island's geothermal potential, contributing significantly to Indonesia's renewable energy portfolio. A Gateway to Sustainable Energy Set against the backdrop of Indonesia's lush landscapes, the Nage GWA project is not just another energy initiative but a bold step toward a greener future. The project has an estimated geothermal reserve of 46 MWe, with plans to develop a capacity of 40 MW. This ambitious endeavor underscores the Indonesian government's commitment to leveraging its abundant geothermal resources to meet growing energy demands sustainably. Cu...

Ormat Awarded Rongkong Geothermal Exploration In Indonesia

Unveiling Indonesia's Geothermal Potential: A Thrilling Expedition into Sustainable Energy By: Robert Buluma Indonesia, a land of breathtaking landscapes and vibrant cultures, holds a treasure trove beneath its surface - geothermal energy.  As the world races towards sustainable solutions, Indonesia stands at the forefront, ready to unlock the power of its volcanic landscapes to fuel a cleaner, greener future. Picture this: steam rising majestically from the earth's crust, hinting at the immense energy waiting to be harnessed. Welcome to the world of geothermal energy, where nature's fury becomes mankind's salvation. In a recent announcement that sent shockwaves through the energy sector,  PT Ormat Geothermal Indonesia has been chosen as the trailblazer for the Preliminary Survey and Exploration Assignment (PSPE) in the Rongkong area of Luwu Utara District, nestled in the scenic beauty of South Sulawesi Province. But what does this mean for Indonesia, and indeed, the w...

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Top 10 Critical Geothermal Energy Problems Costs Risks Seismicity

Top 10 Geothermal Problems: Why a 24/7 Resource Still Struggles to Scale Image credit : Fida, C.E.O Geosilica... This is what scaling looks like downhole in geothermal pipes Intelligence; Strategy for the Geothermal Decade Geothermal energy is often presented as the clean firm resource that can support a renewable electricity system around the clock. It does not depend on sunshine, it can operate through calm weather, and it can provide heat and power for decades. Kenya already relies heavily on geothermal generation , Iceland uses geothermal heat across its economy, and next generation developers are now signing large power contracts with technology companies seeking reliable carbon free electricity. Yet the global geothermal sector remains small compared with solar and wind, with installed electricity capacity still near 16 GW.  That gap is not caused by one obstacle. It is produced by a chain of interlocking problems involving geology, drilling, finance, permitting, public acce...

Arverne secures Limagne geothermal lithium permit to boost supply

Arverne expands geothermal asset portfolio with new lithium exploration permit in Auvergne Arverne secures 442.7 km² PER “Bassin de Limagne” near Clermont-Ferrand French geothermal developer Arverne (Euronext: ARVEN) has been granted an exclusive research permit (Permis Exclusif de Recherches, PER) for lithium and related substances covering the “Bassin de Limagne” in Puy‑de‑Dôme, Auvergne. The five‑year permit, announced 3 September 2026, spans 442.68 km² and adds to Arverne’s growing national portfolio of PERs: the company now holds nine permits in France, three of which are focused on lithium. The award underscores Arverne’s strategy to combine geothermal heat production with geothermal lithium extraction — an integrated model the company is already deploying elsewhere in France. For the Auvergne permit, Arverne emphasizes that the Bassin de Limagne area overlaps with its existing PER for the Riom‑Clermont‑Métropole, where 3D exploration studies have previously evaluated the subsurf...

"US Geothermal Tax Credits 2026: What the IRA/45Q Changes Mean for Developers"

US Geothermal Tax Credits in 2026: What Is Actually Still Alive After OBBBA For an industry that spent more than a decade building financial models around a stable federal incentive structure, 2026 has been a year of whiplash. The 30% federal geothermal tax credit that developers and homeowners built forecasts around is gone in one form and still alive in another, and even the IRS’s own public guidance has been confusing enough to trigger uncertainty across the market. That confusion is not a minor clerical issue. It is shaping investment decisions, contractor sales pitches, homeowner timelines, and project finance assumptions right now. If you work in geothermal, the key question is no longer whether federal incentives exist, but which incentive applies, to which project type, and under what ownership structure. The law that changed the timeline To understand where things stand in 2026, you have to start with the Inflation Reduction Act of 2022, which created a long runway for clean e...

BLM Utah 2026 Geothermal Lease Sale Opens New Energy Opportunities

BLM Utah 2026 Geothermal Lease Sale: What It Means for U.S. Geothermal Development The Bureau of Land Management’s Utah 2026 Geothermal Lease Sale is a significant signal for the next phase of U.S. geothermal development. As federal agencies continue to prioritize renewable energy on public lands, this project highlights both the practical mechanics of geothermal leasing and the broader policy direction supporting domestic clean energy expansion. For developers, investors, land managers, and energy analysts, the sale offers an important case study in how geothermal projects move from planning into commercial opportunity. Geothermal energy has long been one of the most promising yet underutilized renewable resources in the United States. Unlike solar and wind, geothermal can provide steady baseload power regardless of weather or time of day. That makes it especially valuable in power systems that need reliability, grid stability, and long-duration decarbonization. A lease sale like the ...

EIG Geothermal Catalyst Partners Launches Inaugural Power Planet Investment

EIG’s First Geothermal Bet Signals a New Phase for EGS Financing Image : Thematic image of a geothermal plant EIG Geothermal Catalyst Partners’ inaugural investment in Power Planet is a meaningful signal for the geothermal sector because it links development capital with a project that already has infrastructure, interconnection capacity, and subsurface data on its side . For an industry that often struggles to move from concept to bankable execution, that combination can shorten timelines and reduce risk. Why This Deal Matters The core story is not just that EIG made its first investment; it is that the fund is targeting the middle of the geothermal value chain, where projects need capital to clear technical and commercial hurdles . That matters because enhanced geothermal system, or EGS, projects can be highly promising but capital-intensive, especially before they reach a stage where traditional infrastructure investors feel comfortable stepping in . Power Planet’s Star Peak proje...

Chicago’s Geothermal-Powered High-Rise Could Redefine Sustainable Urban Development

Chicago’s Geothermal-Powered High-Rise Could Redefine Sustainable Urban Development Chicago is preparing to welcome one of its first all-electric, geothermal-powered residential high-rises—a 33-story tower at 410 N. Elizabeth Street in Fulton Market. The project could demonstrate how large urban buildings can reduce fossil-fuel dependence, lower operating costs and cut carbon emissions without sacrificing density, comfort or year-round reliability.  A New Model for Chicago High-Rise Construction The 410 N. Elizabeth Street development is being built by Tree Street Group in partnership with Magellan Development Group and  Mark Goodman & Associates . The first phase will deliver 383 apartments, including 77 designated affordable units, while a planned second tower would bring the overall development to more than 724 residences and 146 affordable homes.  The project is also expected to include ground-floor retail, public green space and a 30-foot-wide pedestrian walkway...

Eavor Kleefeld II Permit Boosts Hannover Geothermal Expansion and Deep Heat Development

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Geothermal Energy Costs: Why Drilling Discipline Decides Bankable Megawatts

Geothermal Isn't Expensive: The Reservoir Always Has the Final Say Somewhere beneath a volcanic ridge, a drill bit is turning through rock that has not moved in two million years. It costs money every second it turns. And nobody on the surface — not the engineer, not the financier, not the minister who announced the megawatts — knows yet whether that well will produce steam or silence. That single moment explains almost everything people get wrong about geothermal energy. Geothermal is routinely described as expensive, slow, capital-hungry and haunted by drilling risk. Investors are reminded that tens of millions can disappear underground before a single megawatt reaches a grid. All of that is true. But it is not the whole truth. The uncomfortable question the industry keeps avoiding is this: is geothermal expensive, or is the way we develop geothermal making it expensive? Those are two completely different problems. One is geology. The other is us. Why Geothermal Refuses to Be...

Top 100 Geothermal Companies in the World in 2026: The Ultimate Industry Guide

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How AI-Powered Digital Twins Are Transforming Geothermal Reservoir Management

Geothermal Reservoir Digital Twins: How AI Is Transforming Reservoir Management Image : Thematic image of a geothermal heat pump Artificial intelligence and digital twins are quietly rewriting the playbook for geothermal reservoir management. They turn scattered subsurface data into living, predictive models that help operators boost output, cut drilling risk, and extend the productive time. How Geothermal Digital Twins Are Making Reservoirs Smarter, Safer, and More Profitable For decades, geothermal development has been constrained by one brutal fact: you can’t see 3 km underground. You infer, you model, you hope—and sometimes you drill into a dry or underperforming reservoir. AI‑powered geothermal digital twins change that equation by continuously updating subsurface models with real‑time data, making the invisible reservoir behave like a transparent, responsive system. In practice, geothermal digital twins are dynamic software replicas of wells, reservoirs, and surface facilities th...