Exploring Geothermal Energy’s Potential at the University of Manchester

On 26 February 2025, Dr Mahfuza Ahmed, Collaborative Research Leader at Technovative Solutions LTD (TVS), delivered an insightful lecture on geothermal energy at the School of Physics and Astronomy, The University of Manchester.

The seminar, organised for first-year students enrolled in an introductory energy course, aimed to provide foundational knowledge on sustainable energy solutions. The session was chaired by Dr Cinzia Da Via, Professor of Physics, and attended by distinguished academics, including Emeritus Professor Steve Watts, former Head of the School of Physics and Astronomy, Professor Philippa Browning, Professor of Astrophysics at the Jodrell Bank Centre for Astrophysics, and Dr John Allison, a pioneer of GEANT4.

Exploring the Fundamentals and Innovations in Geothermal Energy

In her presentation, titled "Geothermal Energy: Clean, Reliable, and Renewable," Dr Ahmed provided a comprehensive overview of geothermal energy, discussing its role as a clean, sustainable, and continuous energy source. She elaborated on the fundamental principles of geothermal heat extraction, detailing the different types of geothermal resources and their applications in heating, cooling, and electricity generation.

“Geothermal energy is one of the most reliable renewable sources available today. Unlike solar and wind energy, it provides a stable power supply, making it a crucial component of the future energy mix,” Dr Ahmed emphasised during her lecture.

Her lecture also covered the global significance of geothermal power and its advantages compared to conventional fossil fuel-based and nuclear power generation. She outlined the challenges of geothermal efficiency, particularly concerning heat extraction and power plant performance, and highlighted ongoing research into innovative technological advancements.

Dr Ahmed introduced several major European projects in which Technovative Solutions Ltd (TVS) is actively involved as a consortium partner to advance geothermal energy efficiency. These include GeoHex, GeoSmart, nGEL-smart use of Geothermal Energy, and SEHRENE EU.

She illustrated their practical impact through case studies from geothermal power plants in Kizildere, Turkey, and InSheim, Germany. Dr Ahmed explained that these initiatives aim to refine heat exchange materials, optimise plant operations, and implement smart technologies to significantly enhance the performance and reliability of geothermal systems.

Engaging Student Discussions and Key Insights

The lecture sparked enthusiastic discussions among students, particularly during the Q&A session, where several thought-provoking questions were raised. One particularly insightful query revolved around the brine injection temperature in geothermal plants—specifically, the minimum safe temperature for reinjection and its impact on system efficiency.

“Maintaining an optimal reinjection temperature is crucial for geothermal plant efficiency. While lower temperatures improve power output, excessively low injection temperatures can lead to scaling and operational challenges,” Dr Ahmed explained in response.

Other students expressed curiosity about the future of geothermal energy and its scalability, particularly in the UK. Dr Ahmed highlighted Cornwall’s deep geothermal power plant as a successful example of geothermal potential in the UK, encouraging students to explore new research and development opportunities in this sector.

The Importance of Early Exposure to Renewable Energy

Dr Ahmed emphasised the significance of introducing renewable energy topics early in academic journeys, reinforcing the need for future scientists, engineers, and policymakers to gain a strong foundation in sustainable energy solutions.

“With climate change and energy security concerns growing, equipping students with knowledge of renewables like geothermal energy is essential. These students will be the ones driving the energy transition in the future,” she remarked.

She noted that early exposure not only builds awareness but also encourages innovation and problem-solving, inspiring students to contribute to the ongoing evolution of energy technologies.

Future Collaborations and Research Prospects

The impact of Dr Ahmed’s lecture extended beyond the seminar itself, as it has already initiated discussions for potential research collaborations. Following the session, Dr Cinzia Da Via expressed interest in working with Technovative Solutions (TVS) on a research initiative which could lead to an anticipated collaboration between TVS and the University of Manchester.

Dr Ahmed also indicated that student interest in the topic could pave the way for further engagements, such as guest lectures, research internships, and joint projects focused on geothermal energy advancements.