As the use cases for battery energy storage systems (BESS) evolve, so does the way the batteries are operated. How these changes affect BESS lifetime and reliability is a question the industry needs answered, and one the International Energy Agency’s Photovoltaic Power Systems Programme (IEA-PVPS) is working to address. Erik Marstein, director of Norwegian PV Research Center FME Solar, outlines the results of recent research into BESS reliability and how asset owners can take system aging into account in daily operations.
More than 3 TW of solar capacity has been installed worldwide so far, and deployment rates remain high. This brings its own challenges. Market cannibalization already threatens the long-term profitability of PV power plants. Grid integration and supporting grid services are becoming increasingly relevant. As a backbone of tomorrow’s power system, PV power plants of …
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