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Long-duration energy storage (LDES) is undoubtedly a key enabler for achieving net-zero. However, despite a wide range of technology providers claiming cost competitiveness and other advantages over lithium-ion batteries, the latter continue to dominate new deployments. So what's holding LDES back? What is needed to enable more widespread adoption? And when will the age of LDES finally arrive?

Long-duration energy storage (LDES) is undoubtedly a key enabler for achieving net-zero. However, despite a wide range of technology providers claiming cost competitiveness and other advantages over lithium-ion batteries, the latter continue to dominate new deployments. So what's holding LDES back? What is needed to enable more widespread adoption? And when will the age of LDES finally arrive?

Girolamo Di Francia, Research Director, ENEA Italian National Agency for New Technologies, Energy and Sustainable Economic Development