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Notes from the flexibility frontier.
Short pieces on grid capacity, demand-side flexibility, and the verification infrastructure the next decade of grid coordination will require.
Grid Capacity
April 13, 2026
100 GW hiding in plain sight
The US power grid has tens of gigawatts of unused capacity sitting idle for 99% of the year. Twenty-two hours of flexibility unlocks 76 nuclear plants' worth of headroom that already exists.
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Flexibility
April 12, 2026
The grid is the bottleneck. The fix is software.
AI training is interruptible. GPUs are dimmable. The Phoenix demo achieved 25% load reduction with all SLAs intact. The technology question is closed; the market question is open.
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Trust Infrastructure
April 11, 2026
Why nobody can prove flexibility actually happened
An auditor problem, not a sensor problem. The verification gap is why grid operators won't grant conditional-firm interconnection on the strength of a flexibility commitment alone.
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