Skip to main content

PT Supreme Energy Miata Laboh Officially Signs EPC Contract for Muara Laboh Stage 2 Geothermal Project

The EPC contract was signed with a consortium of reputable partners Sumitomo Corporation, PT Inyi Kanya Teknik Persada, and PT Wasa Mitra Engineering ensuring a collaborative effort that leverages the strengths of each organization. 

By:Robert Buluma


The contract signing events included a handover ceremony held on February 13, 2025, at SEML's Head Office and the official contract signing on December 24, 2025. This article delves into the details of the project, the significance of this milestone, and its anticipated impact on the local community and Indonesia’s broader renewable energy objectives.


Project Overview: The Muara Laboh Stage 2 Geothermal Project

Understanding Geothermal Energy in Indonesia

Indonesia is uniquely positioned as one of the world's richest countries in geothermal resources. Geothermal energy harnesses the natural heat stored beneath the Earth's surface, offering a sustainable, clean, and renewable power source. As global energy demands increase and environmental concerns escalate, geothermal projects like Muara Laboh Stage 2 play a pivotal role in reducing greenhouse gas emissions while providing reliable energy.

The Vision Behind Unit 2 Expansion

The decision to expand Unit 2 at SEML comes as part of a broader strategy to boost geothermal capacity and harness Indonesia's abundant natural resources. With the signing of the EPC contract for Muara Laboh Stage 2, SEML is set to increase its operational capacity, improve energy efficiency, and deliver on its promise to contribute significantly to the nation’s renewable energy portfolio.

Key Features of the Muara Laboh Stage 2 Project

  • State-of-the-Art Technology: The project employs advanced geothermal drilling and power generation technologies to maximize efficiency and sustainability.
  • Robust Infrastructure: The expansion includes significant upgrades to existing infrastructure, ensuring seamless integration with current operations and enhanced performance.
  • Environmental Stewardship: Sustainability and environmental protection remain at the forefront, with the project designed to minimize ecological impact and support local biodiversity.
  • Community Empowerment: Beyond energy production, the project aims to foster community development through job creation, skill enhancement, and local economic growth.

The EPC Contract: A Strategic Partnership

Importance of the EPC Contract in Renewable Energy Projects

An EPC contract plays a critical role in large-scale renewable energy projects. It delineates the scope, responsibilities, timelines, and deliverables between the project owner and the contractor. For SEML, the EPC contract for Muara Laboh Stage 2 represents not only a binding agreement but also a roadmap for efficient project execution. It covers the full spectrum of project development from initial design and procurement of materials to the construction and final commissioning of the geothermal facility.

Partners in the Consortium

The consortium behind the EPC contract is composed of industry leaders with extensive expertise in engineering and renewable energy

Sumitomo Corporation A global leader with vast experience in infrastructure development and energy projects. Sumitomo brings technological expertise and international best practices to the project

PT Inti Kanya Teknik Persada: Renowned for its engineering prowess, this company is pivotal in the project’s technical design and operational planning.

  • PT Wasa Mitra Engineering: Known for its commitment to quality and precision engineering, PT Wasa Mitra Engineering will play a crucial role in ensuring the project meets all engineering standards and regulatory requirements.

The Ceremony and Its Symbolism

On February 13, 2025, SEML hosted a handover contract ceremony at its Head Office. This event was not just a formal ritual but a celebration of strategic collaboration and shared vision for a sustainable future. The subsequent official signing on December 24, 2025 further solidified the partnership, marking the transition from planning to execution.

Key Benefits of the Consortium Model

  • Enhanced Expertise: By pooling resources and knowledge, the consortium ensures that the project benefits from the highest level of technical and managerial expertise.
  • Risk Mitigation: Shared responsibilities reduce individual risks and enhance overall project resilience.
  • Streamlined Operations: Integrated operations among the consortium members facilitate efficient project management and timely delivery.

Significance for Indonesia's Renewable Energy Goals

Aligning with National Energy Policies

Indonesia has set ambitious targets to increase its renewable energy capacity and reduce its carbon footprint. The Muara Laboh Stage 2 Geothermal project directly supports these national objectives by expanding the country’s renewable energy base. By investing in geothermal energy, Indonesia not only reduces its dependence on fossil fuels but also sets a benchmark for sustainable energy practices in the region.

Economic and Environmental Impacts

  • Job Creation and Economic Growth: The project is expected to create numerous job opportunities during both the construction and operational phases. This will boost local economies and contribute to overall economic growth.
  • Reduction in Carbon Emissions: Geothermal energy produces minimal greenhouse gas emissions compared to fossil fuels, thereby contributing to cleaner air and a healthier environment.
    Indonesian scenic view, what a carbon free environment can look like
  • Energy Security: By diversifying its energy mix with renewable sources, Indonesia can achieve greater energy security and stability, reducing vulnerabilities associated with imported energy.

Enhancing Indonesia's Global Reputation

Indonesia’s proactive stance on renewable energy not only benefits its domestic market but also enhances its reputation on the global stage. International investors and environmental organizations recognize the country's commitment to sustainability, which may attract further investments in clean energy and technology.


Technical and Operational Excellence in Muara Laboh Stage 2

Advanced Geothermal Drilling Techniques

The success of any geothermal project hinges on the ability to efficiently drill and manage geothermal wells. Muara Laboh Stage 2 will utilize cutting-edge drilling techniques that minimize environmental disruption while maximizing energy extraction. These methods are designed to access high-temperature geothermal reservoirs, ensuring a steady and reliable energy output.

State-of-the-Art Power Generation Technology

Once geothermal resources are tapped, converting the natural heat into electricity requires sophisticated technology. The project incorporates modern power generation systems that optimize thermal efficiency and reduce operational costs. These systems are engineered to withstand the challenging conditions typical of geothermal environments, ensuring long-term reliability and performance.

Infrastructure Upgrades and Integration

The unit 2 expansion includes significant upgrades to SEML's existing infrastructure. These enhancements ensure that the new geothermal facility can be seamlessly integrated with current operations, providing a stable and scalable power supply. From upgraded transmission lines to advanced control systems, every component of the project has been designed with efficiency and future growth in mind.

Safety and Environmental Management

Safety is paramount in large-scale energy projects. The EPC contract outlines rigorous safety protocols to protect workers, communities, and the environment. Environmental impact assessments have been conducted to ensure that all activities comply with national and international environmental standards. The project emphasizes sustainable practices that balance energy production with environmental stewardship.


Community Impact and Local Development

Empowering Local Communities

Beyond its technical and economic benefits, the Muara Laboh Stage 2 project is poised to have a profound impact on local communities.  is committed to ensuring that theSEML's project drives socio-economic development by:

  • Creating Employment Opportunities: The construction and operational phases will generate jobs, offering local residents new career prospects.
  • Investing in Skills Development: Training programs and capacity-building initiatives will equip local workers with the skills needed to participate in the renewable energy sector.
  • Supporting Local Businesses: The project will stimulate local economies by creating demand for services and products, fostering an ecosystem of growth around the geothermal facility.

Environmental Benefits for the Region

The emphasis on renewable energy translates into tangible environmental benefits for the region:

  • Reduced Air Pollution: By replacing fossil fuel-based energy sources, the project will help lower air pollution levels, contributing to improved public health.
  • Sustainable Land Use: The design and operational practices ensure that land and natural resources are managed responsibly, preserving the region’s ecological balance.
  • Promoting Renewable Energy Awareness: Successful projects like Muara Laboh Stage 2 serve as a model for sustainable development, inspiring similar initiatives across Indonesia and beyond.

Long-Term Vision for Community Engagement

SEML's approach to community engagement is rooted in transparency and inclusivity. Regular stakeholder meetings, community consultations, and public information campaigns are integral to the project. These initiatives ensure that local communities are kept informed about the project’s progress and can actively participate in shaping its future.


Future Prospects and Strategic Growth

Anticipated Project Milestones

The signing of the EPC contract for Muara Laboh Stage 2 is just the beginning. Several key milestones are on the horizon:

  • Project Mobilization: Following the contract signing, mobilization of resources and initial site preparations will commence. This phase includes setting up construction camps, logistical planning, and stakeholder coordination.
  • Construction Phase: The construction of the geothermal facility will be executed in phases, ensuring minimal disruption to existing operations while maintaining high standards of quality and safety.
  • Commissioning and Testing: Once construction is complete, rigorous testing and commissioning processes will verify that the facility meets all performance benchmarks before full-scale operation begins.
  • Operational Excellence: With the facility fully operational, SEML will continue to monitor performance, implement continuous improvement initiatives, and explore opportunities for further expansion.

Expansion and Scalability

One of the key advantages of geothermal energy projects is their scalability. The successful implementation of Muara Laboh Stage 2 could pave the way for additional expansions at SEML and inspire similar projects across Indonesia. With its proven expertise and robust infrastructure, SEML is well-positioned to be at the forefront of the country’s renewable energy transformation.

Leveraging Technological Advancements

As technology continues to evolve, the geothermal sector will benefit from ongoing innovations. SEML is committed to integrating new technologies that improve energy efficiency, reduce operational costs, and enhance environmental sustainability. Continuous investment in research and development will ensure that SEML remains competitive and responsive to emerging trends in renewable energy.

Strategic Partnerships for Future Growth

The consortium model demonstrated in this project is a testament to the power of strategic partnerships. Future projects will likely build on this collaborative framework, attracting international expertise and investment. Such partnerships not only mitigate risks but also open up new avenues for innovation and market expansion.


Overcoming Challenges in Geothermal Project Implementation

Navigating Regulatory Frameworks

Implementing a project of this scale requires meticulous adherence to regulatory frameworks at both national and local levels.SEML has worked closely with government agencies to ensure that all aspects of the Muara Laboh Stage 2 project comply with legal and environmental regulations. This proactive engagement is critical for mitigating delays and ensuring smooth project execution.

Addressing Technical and Logistical Hurdles

Geothermal projects come with unique technical challenges, including managing high-temperature reservoirs and ensuring well integrity. The consortium's combined expertise addresses these challenges through:

  • Advanced Engineering Solutions: Implementing the latest engineering practices and technologies to manage geological complexities.
  • Efficient Logistics Management: Coordinating the transportation of heavy machinery and materials to remote locations.
  • Continuous Risk Assessment: Regularly updating risk management strategies to adapt to on-site conditions and emerging challenges.

Community and Environmental Resilience

Another challenge lies in ensuring that the project does not adversely affect the local environment or communities. SEML’s commitment to environmental management and community engagement plays a crucial role in:

  • Conducting Thorough Environmental Impact Assessments (EIAs): Ensuring that all potential impacts are identified and mitigated.
  • Implementing Sustainable Practices: Adopting best practices in waste management, water conservation, and habitat preservation.
  • Fostering Transparent Communication: Keeping local communities informed and involved to address any concerns promptly.

The Road Ahead: A Blueprint for Renewable Energy Success

Integrating Geothermal Energy into Indonesia’s Energy Mix

The successful implementation of the Muara Laboh Stage 2 Geothermal project will serve as a cornerstone in Indonesia’s strategy to integrate more renewable energy into its national grid. By diversifying the energy mix, the country can reduce its reliance on fossil fuels, enhance energy security, and drive sustainable economic growth.

An Indonesian Background, heavenly if asked

Setting an Example for Regional Development

Indonesia’s commitment to renewable energy is gaining global attention. Projects like Muara Laboh Stage 2 set a precedent for neighboring countries in Southeast Asia, demonstrating that sustainable development is not only viable but also economically beneficial. The lessons learned from this project will inform future initiatives in the region, fostering a culture of innovation and environmental responsibility.

Future Innovations in Geothermal Energy

The field of geothermal energy is dynamic, with ongoing research and technological breakthroughs promising to further enhance efficiency and reduce costs. SEML is actively monitoring these developments, positioning itself to adopt innovations that will propel the industry forward. As new technologies emerge, the potential for even greater scalability and improved performance becomes increasingly attainable.

Strengthening Energy Independence

Ultimately, the Muara Laboh Stage 2 project contributes significantly to Indonesia’s long-term goal of energy independence. By tapping into its rich geothermal resources, Indonesia can reduce its vulnerability to global energy market fluctuations and establish a stable, domestic energy supply that supports both economic and social development.


Conclusion: A New Era for Indonesia’s Renewable EnerPT Supreme Energygy Sector

The signing of the EPC contract for the Muara Laboh Stage 2 Geothermal project by  Miata Laboh marks a pivotal moment in Indonesia’s journey toward a sustainable energy future. This groundbreaking project, underpinned by a robust consortium of industry leaders, is set to expand SEML's operational capacity, drive economic growth, and contribute significantly to the nation’s renewable energy targets.

Through advanced technology, strategic partnerships, and a deep commitment to environmental stewardship and community empowerment, Muara Laboh Stage 2 represents more than just an expansion—it is a blueprint for the future of renewable energy in Indonesia. As the project moves forward, it will not only generate clean, reliable energy but also serve as a catalyst for further innovation and collaboration across the renewable energy sector.

By aligning with national policies and leveraging cutting-edge geothermal technologies, SEML is paving the way for a greener, more resilient energy infrastructure. The lessons learned and successes achieved through this project will undoubtedly inspire future investments in sustainable energy, positioning Indonesia as a leader in the global transition to a renewable energy economy.

As we look ahead to the next phases of development, stakeholders, investors, and communities alike can be confident that the future of energy in Indonesia is bright—powered by innovation, driven by collaboration, and dedicated to a sustainable tomorrow.


In summary, the Muara Laboh Stage 2 Geothermal project is more than just an energy initiative it is a comprehensive, forward-thinking approach to addressing some of the most pressing challenges of our time. From enhancing energy security and reducing carbon emissions to empowering local communities and setting new standards in environmental management, the project embodies the spirit of sustainable development that will shape Indonesia’s energy landscape for decades to come.

With the EPC contract now signed and the groundwork firmly in place, all eyes are on the next phase of this ambitious project. As SEML and its partners work together to bring Muara Laboh Stage 2 to life, the project stands as a testament to the power of strategic collaboration in driving meaningful change in the renewable energy sector.


As Indonesia continues to pave the way toward a sustainable future, projects like Muara Laboh Stage 2 serve as a reminder that with the right technology, strategic partnerships, and a commitment to environmental and community well-being, renewable energy can indeed power a brighter, greener tomorrow.

Related Article:Supreme Energy Inks an Indonesian Geothermal Power deal worth millions 

Connect with us: Linkeidin ,X

Source:Supreme Energy

Comments

Hot Topics

Quaise Energy Breaks Ground in Geothermal Innovation with Millimeter-Wave Drilling

A groundbreaking milestone has just been achieved in the geothermal world.  Quaise Energy a bold energy tech startup, is turning heads by drilling through granite—not with traditional bits, but with powerful millimeter-wave energy.  By :  Robert Buluma This disruptive technology could unlock near-unlimited geothermal power deep beneath the Earth’s surface. 💡 The Power Beneath Our Feet Beneath the Earth's crust lies a massive source of heat—superhot rock that, if harnessed, could power the planet many times over. The challenge? It's buried miles deep in unforgiving conditions where traditional drill bits melt, wear down, or fail completely. Enter  Quaise Energy revolutionary solution: vaporizing rock with directed energy. ⚙️ How It Works Instead of grinding rock with steel,  Quaise uses millimeter-wave energy—essentially high-powered microwaves. These waves are delivered through a special pipe to the rock face, where they instantly melt or vaporize hard mater...

🔥Geothermal Gold Rush: BLM New Mexico Opens Land Nominations for 2026 Lease Sale🔥

Santa Fe, New Mexico – In an exciting move for the geothermal industry, the  Bureau of land Management (BLM) New Mexico State Office is officially welcoming nominations for geothermal leasing ahead of its upcoming lease sale, expected to take place in March 2026 . By : Robert Buluma If you’ve been eyeing geothermal development opportunities, the clock is ticking— all nominations must be submitted by September 25, 2025 . ⚡ Why This Matters Geothermal energy is a game-changer. It's clean, renewable, and offers reliable baseload power—something wind and solar can’t always guarantee. As climate action intensifies and demand for sustainable power surges, tapping into the Earth’s heat is becoming one of the most promising frontiers in the American West. The BLM plays a pivotal role in this transformation, managing 245 million acres of public lands and 700 million acres of subsurface mineral estates across the country, making them a key player in the geothermal energy boom. Geothermal...

Meta and XGS Energy Partner on 150 MW Geothermal Power Project in New Mexico

Meta and XGS Energy Partner on 150 MW Geothermal Power Project in New Mexico A Game-Changer for AI, Clean Energy, and the Future By Robert Buluma – Alphaxioms Energy Blog In a bold move that signals the future of energy and technology convergence, XGS Energy and Meta Platforms, Inc. have announced a groundbreaking agreement to develop 150 megawatts (MW) of next-generation geothermal energy in New Mexico. This partnership not only promises to reshape the state's energy landscape but also underscores the growing demand for sustainable, round-the-clock power to fuel the age of artificial intelligence (AI) and data-driven economies. Clean Power Without Water – XGS’s Unique Edge At the heart of this partnership lies XGS Energy’s proprietary solid-state geothermal technology. Unlike traditional geothermal systems that rely heavily on water and specific geological conditions, XGS’s innovation enables electricity production from hot, dry rock  with zero operating water use. This water-inde...

Teverra Teams Up with Dutch Innovators to Revolutionize Long-Duration Energy Storage

By:  Robert Buluma In a groundbreaking move that promises to reshape the future of clean energy, Teverra , a trailblazer in subsurface energy solutions, has partnered with Dutch powerhouses IF Technology and DTESS to accelerate the global rollout of ResStor™—a revolutionary long-duration energy storage system.  This strategic collaboration aims to push the boundaries of renewable integration, industrial decarbonization, and sustainable data center cooling. At the core of this initiative is ResStor, Teverra proprietary Reservoir Thermal Energy Storage platform. Capable of storing thermal energy for several months with outstanding efficiency, ResStor is tailored for both seasonal and daily cycling, allowing precise, on-demand delivery of heat or power. This opens the door for consistent, carbon-free energy across sectors, regardless of intermittency in renewable sources like solar or wind. But the real game-changer lies in Cold-ResStor—a specialized application targeting the dat...

Indonesia’s Geothermal Power Surge: Barito Renewables Unleashes Five Game-Changing Projects

A New Chapter in Indonesia’s Energy Future Has Begun. By:  Robert Buluma In a historic move that signals Indonesia’s unwavering commitment to a greener future, PT Barito Renewables Energy Tbk (BREN) has pulled the curtain back on five cutting-edge geothermal power projects under its subsidiary, Star Energy Geothermal . The inauguration, which took place virtually on June 26, 2025 , was no ordinary milestone—it was presided over by none other than President Prabowo Subianto himself, underscoring the national importance of this initiative. Set in the lush geothermal landscapes of Salak and Wayang Windu in West Java , these projects aren’t just about generating electricity—they’re about igniting transformation. 🔋 A USD 365 Million Bet on Green Power Barito Renewables is putting its money where its mission is, investing USD 365 million to inject an additional 112 MW into Indonesia’s energy mix. This expansion is expected to create over 3,300 jobs , supercharging local econom...

"Steam, Scandals, and Stalled Megawatts: KenGen’s Court Battle Over Olkaria VII Consultancy"

Power, Politics, and Procurement: Inside KenGen’s Legal Battle Over Olkaria VII Geothermal Consultancy By  Robert Buluma In a dramatic twist that’s shaken Kenya’s energy sector, the Kenya Electricity Generating Company (KenGen) is locked in a legal showdown over the consultancy tender for its highly anticipated Olkaria VII geothermal power plant. The project, aimed at injecting 80 megawatts of clean energy into the national grid, now faces turbulence—not from the underground steam chambers of Hell’s Gate, but from boardrooms and courtrooms. 🔍 What’s the Fuss About? At the heart of this high-stakes battle is a €18.16 million consultancy tender awarded to Italy’s ELC Electroconsult SPA . The catch? Their bid was over Sh200 million higher than that of the next technically qualified firm. The Public Procurement Administrative Review Board (PPARB), Kenya’s watchdog for public tenders, wasn’t impressed. In a June 2025 ruling, PPARB annulled the award, citing procedural irregularities, ...

🔥 Geothermal Gold Beneath the Lion City: Singapore Uncovers Surprising Heat Power in Sembawang

When you think of Singapore, what comes to mind? Skyscrapers. Tech. Food. Green innovation. But now, add one more surprising trait to the list: geothermal powerhouse . By:  Robert Buluma That’s right beneath the city-state’s highly urbanized northern district lies a blazing opportunity that could redefine Singapore’s energy story. In a recent announcement that’s set the clean energy world abuzz, scientists from NTU Singapore and TUMCREATE revealed astonishing findings from a joint geothermal drilling project. At just 1.76 km underground in Sembawang , temperatures have soared to a jaw-dropping 122°C —a record-breaker for the region, and far higher than the 70°C earlier recorded at a shallower depth in Admiralty. This isn't just hot news. It’s a revolutionary discovery that could reshape how one of the world's most densely populated nations powers its future. 🌋 A Hidden Furnace Below the Urban Jungle This project—backed by Singapore’s National Research Foundation (NRF) and th...

PGEO's Geothermal Ambition Ignites: Lumut Balai Unit 2 Nears Full Power by June 2025

PGEO's Geothermal Ambition Ignites: Lumut Balai Unit 2 Nears Full Power by June 2025 By  Alphaxioms | June 18, 2025 In the heart of Sumatra’s steamy rainforest, a silent revolution is unfolding one that doesn't spew smoke or roar with turbines, but hums with the promise of a greener tomorrow. PT Pertamina Geothermal Energy Tbk (PGEO) is racing against time to power up its PLTP Lumut Balai Unit 2 , and with the first successful synchronization to PLN’s grid, the countdown to full commercial operation by June 2025 has officially begun. ⚡ The Beginning of a Brighter, Cleaner Era On June 16, 2025, PGEO achieved a crucial milestone: initial synchronization of Lumut Balai Unit 2 at 10% capacity (around 5.5 MW) of its total 55 MW output. What may sound like a small step was, in fact, the spark igniting a larger geothermal ambition. This step not only marks the start of transmitting electricity into the national grid, but it is also a powerful symbol of Indonesia’s forward march t...

Teverra Powers Up Rico: A $200K Boost to Colorado’s Geothermal Future

By Robert Buluma | Alphaxioms Blog | July 8, 2025 From Fossil Fuels to the Earth’s Furnace—Rico is Rising Nestled in the mountainous beauty of southwest Colorado, the historic town of Rico is about to become a shining example of how geothermal innovation can power a resilient, carbon-free future. Thanks to a $200,000 grant from the Colorado Energy Office, awarded under the state’s groundbreaking Geothermal Energy Grant Program, Teverra is setting the stage for a transformative shift in how rural communities heat their homes. 🔥 A Groundbreaking Project with Groundbreaking Heat Teverra, headquartered in Atlanta, is no stranger to subsurface energy innovation. But the Rico Heat Network Project might just be one of its most impactful endeavors yet. The company plans to deploy cutting-edge subsurface analysis, thermal modeling, and engineering expertise to develop a direct-use geothermal system that will sustainably heat and cool buildings across the town. This isn’t just a pilot—it’s a pr...

Exergy ORC to Revamp Ribeira Grande Geothermal Power Plant in the Azores

In a landmark move for clean energy in the Azores, Exergy ORC has secured a contract to revamp the Ribeira Grande geothermal power plant on São Miguel Island.  By :  Robert Buluma This pivotal project is being undertaken in collaboration with EDA Renováveis, and it marks Exergy's second geothermal venture in the region—reinforcing its commitment to advancing the energy transition during what is now widely regarded as the "Geothermal Decade." A Tailor-Made Solution for a Sustainable Future As part of the modernization, two outdated geothermal units will be replaced with a state-of-the-art, 5 MW Organic Rankine Cycle (ORC) system. This advanced solution has been specifically designed to enhance the performance and efficiency of the Ribeira Grande plant, utilizing geothermal resources more effectively and sustainably. The goal is not just to boost energy output, but to support São Miguel’s broader ambition: to run entirely on renewable energy. With the integration of Exergy...