In the quest for renewable energy sources, tidal power has long been an underutilized contender. However, a recent study published in the journal *Energy Nexus* (formerly known as *Energy Reports*) is shedding light on the untapped potential of tidal currents, particularly in the Strait of Messina in the Mediterranean Sea. The research, led by Michele Agueci from the Department of Engineering at the University of Palermo, offers a compelling case for tidal energy as a viable and predictable renewable energy source.
The Strait of Messina, known for its strong tidal currents, was the focal point of Agueci’s study. The semi-diurnal tidal currents in this region are highly predictable and can reach speeds exceeding 3 meters per second. “The predictability of tidal currents is a significant advantage over other renewable energy sources like wind or solar,” Agueci explains. “This makes tidal energy a reliable and consistent part of the renewable energy mix.”
The study focused on open flow tidal turbines, leveraging the latest technologies for harvesting energy from tidal currents. By integrating current velocities over a whole year with 15-minute intervals, the research team calculated the total energy that could be produced. The coastal profile and bathymetry of the Strait of Messina allowed for the design of a tidal energy park consisting of 113 horizontal axis tidal turbines (HATTs), with a total installed capacity of 271 megawatts and an annual production of nearly 145 gigawatt-hours.
“This study demonstrates that tidal energy can play a significant role in increasing the share of renewable energy production,” Agueci states. The findings suggest that tidal energy could be a game-changer for the energy sector, offering a reliable and predictable source of power that complements other renewable energy sources.
The commercial implications of this research are substantial. As the world continues to shift towards renewable energy, the predictability and consistency of tidal energy make it an attractive option for energy companies. The Strait of Messina could serve as a model for other regions with similar tidal conditions, potentially opening up new markets and opportunities for tidal energy development.
Moreover, the integration of tidal energy into the existing energy mix could enhance grid stability and reduce reliance on fossil fuels. “Tidal energy has the potential to be a cornerstone of a sustainable energy future,” Agueci notes. “Its predictability and consistency make it a valuable addition to the renewable energy landscape.”
As the energy sector continues to evolve, the insights from this study could shape future developments in tidal energy technology and deployment. The research highlights the importance of exploring and harnessing the full potential of tidal currents, paving the way for a more diverse and resilient renewable energy portfolio. With the growing emphasis on sustainability and the need for reliable energy sources, tidal energy is poised to take center stage in the renewable energy conversation.