Across 25 assessed power systems, planning, markets and project pipelines are consistently more mature than the delivered portfolios needed to provide dependable flexibility.
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Grid flexibility is easy to mistake for a technology market. One jurisdiction announces several gigawatt-hours of batteries, another creates a new ancillary-service product, and a third launches a capacity auction, pumped-hydro program or demand-response target. Those are meaningful signs of activity, but they do not answer the harder question: can the power system identify its reliability needs, enable the right resources, deliver them, operate them well and correct the gaps that appear in practice?
I built a structured comparison across 25 electricity operating systems to test that question. The sample includes the Australian National Electricity Market, ERCOT, Brazil’s interconnected system, coupled European systems and subnational operating systems in China, India, Japan and Pakistan. It is purposive and unweighted rather than a census of the world’s grids: each operating system counts once regardless of electricity demand, installed capacity, generation or population. The goal is not a global league table, but a decision screen for distinguishing visible flexibility activity from dependable operating capability.
