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...
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As part of the modernization, two outdated geothermal units will be replaced with a state-of-the-art, 5 MW Organic Rankine Cycle (ORC) system.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's innovative ORC system, the island takes a major leap toward a fully decarbonized energy model—setting an inspiring example for island communities worldwide.
The Geothermal Decade: A Global Vision in Action
This project is part of a broader movement championed by Exergy and other clean energy leaders—an international push to significantly expand the role of geothermal power over the next ten years. The “Geothermal Decade” emphasizes the vital importance of clean, reliable, and baseload renewable energy systems, of which geothermal is a cornerstone.
Exergy’s continued presence and innovation in the Azores reflect the company's expanding global footprint. From Europe to the Americas, Exergy is actively contributing to the growth of geothermal technologies, making clean energy more accessible and sustainable in diverse environments.
A Shout-Out to the Team
Behind this project is a dedicated team of professionals who made it happen. Special recognition goes to Giacomo Menghetti, Exergy’s Sales Manager, whose efforts were instrumental in securing and shaping the vision of this collaboration. His leadership, combined with the hard work of the entire team, underscores the spirit of innovation and commitment that defines Exergy’s approach to every project.
Looking Ahead
A detailed press release is expected soon, outlining the technical specifications, performance expectations, and project timeline for the revamped Ribeira Grande facility. As the world increasingly looks toward clean energy, projects like this demonstrate that the geothermal sector is not only viable—it’s thriving.
Exergy ORC continues to lead by example, showing that innovation, partnership, and strategic investment can pave the way for a cleaner, more resilient energy future.
Conclusion
The Ribeira Grande geothermal project is more than just an infrastructure upgrade. It represents a bold, forward-thinking step toward energy independence and climate responsibility. As Exergy ORC continues to advance the frontiers of geothermal technology, it also empowers communities—like those in the Azores—to take control of their energy futures in sustainable and locally-driven ways.
Stay tuned for more updates as this transformative project unfolds.
Source: Exergy
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