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Ijen vs Zanskar: Blind Geothermal Energy Discovery and Development

Ijen’s Blind Geothermal System vs. Zanskar’s AI-Discovered Resources: Two Models for Finding Hidden Heat The geothermal industry is entering a new phase in which the most valuable resources may no longer be the fields marked by obvious hot springs, geysers, fumaroles, or steaming ground. Increasingly, developers are targeting “blind” or hidden geothermal systems,reservoirs that lack clear surface expressions but can still contain the temperature, permeability, and fluid needed for commercial power generation. Two examples illustrate how different parts of the industry are approaching this challenge. In Indonesia, the Blawan-Ijen geothermal field in East Java was developed through geological interpretation, magnetotelluric imaging, conceptual modelling, and drilling. The project is now operating commercially, with its first phase delivering approximately 35 MW to the Java grid under a 30-year power purchase agreement.  In the United States, Zanskar Geothermal & Minerals is using...

Medco Power Becomes Ailep North Sumatra Geothermal Bidder

Medco Power's Unique Position as the Sole Bidder for North Sumatra Geothermal Prospect



Medco Power Indonesia has emerged as the sole bidder for a promising geothermal prospect in North Sumatra, positioning itself as the leading contender for this significant project. This unique status raises questions about the circumstances leading to Medco's exclusive bid and what it reveals about the company’s strategic direction.

Reasons for Medco Power’s Sole Bidder Status

One of the primary reasons Medco Power stands alone in this bid could be attributed to the complexity and high capital requirements associated with geothermal projects in Indonesia. Developing geothermal resources requires significant upfront investment, cutting-edge technology, and technical expertise in drilling, resource assessment, and plant operation. Medco, with its long-standing experience in the energy sector, has both the financial and operational strength to tackle these challenges. 

Moreover, Indonesia’s geothermal projects often involve navigating regulatory hurdles and securing favorable terms in Power Purchase Agreements (PPAs). Medco Power’s familiarity with the regulatory landscape and its strong relationships with key stakeholders could give it a competitive edge in securing such projects, while other potential bidders may have hesitated due to these complexities.

What Medco’s Bid Means for the Region

Medco Power’s pursuit of the North Sumatra geothermal prospect also aligns with Indonesia’s broader renewable energy goals. North Sumatra has abundant geothermal resources, and tapping into this potential will significantly contribute to the country’s renewable energy mix. With a focus on clean energy, this project could reduce dependency on fossil fuels, supporting Indonesia’s goal of achieving 23% renewable energy by 2025.

Medco Power's Track Record

Medco Power's strong track record in the energy sector, including renewable projects, places it in an advantageous position to successfully execute this geothermal project. The company has demonstrated leadership in both conventional and renewable energy developments, making it a suitable partner for advancing Indonesia’s geothermal ambitions.

In conclusion, Medco Power’s status as the sole bidder for the North Sumatra geothermal project speaks to both its readiness to handle the challenges associated with geothermal energy and the trust it has built in the Indonesian energy sector. If successful, the project could serve as a benchmark for future geothermal endeavors in the region.

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