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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...

Breaking Ground, Breaking Limits: New Zealand’s Supercritical Geothermal Ambitions Take Shape

Published: 28 May 2025 By:  Robert Buluma In the heart of the Taupō Volcanic Zone, where the earth roars with ancient fire, a bold new frontier in energy is stirring beneath New Zealand’s feet.  The Government has announced major strides in its ambitious pursuit of supercritical geothermal energy—a potential game-changer that could propel Aotearoa to the forefront of global clean energy innovation. And it’s not just ambition—it’s action. 🔥 Supercritical: The Next Leap in Geothermal Regional Development Minister Shane Jones and Science, Innovation and Technology Minister Dr Shane Reti unveiled fresh details about the government’s progress toward harnessing supercritical geothermal energy. This isn't your everyday clean energy initiative—it's the geothermal equivalent of striking gold at the Earth's molten edge. Conventional geothermal energy taps into hot water and steam from wells drilled up to 3.5 km deep. But supercritical geothermal? It goes deeper—up to 6 km—where temp...