In an era where energy grids are increasingly challenged by the integration of renewable energy sources, a recent study highlights the untapped potential of mobile network infrastructure to support grid stability. Conducted by Jussi Laimio from the Department of Communications and Networking at Aalto University and Virnex Group Oyj, the research proposes that mobile base stations could serve as virtual power plants, enhancing the resilience of power systems while optimizing the commercial viability of mobile operators.
The research addresses a critical gap in the energy sector: the ability of mobile networks to participate in reserve markets, particularly in providing fast frequency reserves (FFR). As renewable energy sources become more prevalent, maintaining grid stability is paramount, yet the activation times of existing technologies often fall short of the stringent requirements needed for rapid response. Laimio’s study reveals that the current rectifier reaction times within mobile base station infrastructures range from 5 to 8 seconds, while the complete disconnection time from the grid can extend from 7 to 10 seconds. “This finding is significant since the activation time is too long for the base station power system controller to be used for FFR,” Laimio explains, emphasizing the urgency for technological advancements in this area.
The implications of this research are profound. By leveraging existing battery systems in mobile base stations, operators could not only contribute to grid stability but also tap into new revenue streams in the reserve market. However, the required activation time for FFR is less than 1.3 seconds, indicating a pressing need for improvements in equipment and software. Laimio advocates for power system vendors to innovate rapidly, stating, “To stay competitive, they must enable fast reserve market entry for their existing customers.”
This study, published in the ‘International Journal of Electrical Power & Energy Systems,’ underscores the intersection of telecommunications and energy sectors, suggesting a future where mobile operators could play a pivotal role in energy management. As the demand for reliable energy sources continues to grow, the ability to adapt and harness existing infrastructures will be crucial. The research not only opens the door for mobile operators to diversify their business models but also highlights the importance of collaboration between telecommunications and energy sectors in achieving a sustainable future.
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