EnergyMay 28, 20264 min read
Why grid storage costs fall differently from solar
A compact framework for comparing battery cost curves with solar module learning rates.
MC
Maya Chen
Independent climate analyst
Storage is not one product. Cell chemistry, balance-of-system costs, cycling requirements, and local grid rules move on different curves.
The familiar solar learning curve is a tempting model for grid storage, but batteries are bought as systems, not cells.
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