Policy Recommendations to Unlock the Value of Long-Duration Energy Storage
LONG DURATION ENERGY STORAGE OVERVIEW LDES solutions are varied. The U.S. Department of En-ergy considers any energy stored for 10 hours or greater to be “long duration.”15 Within the categorization of long-duration storage, there are two main categories of storage durations: • “Inter-day” storage provides 10 to 36 hours of en-