First time a GPU running AI inference responded to a live ERCOT 4CP signal.
Signal to verified curtailment: under half a second. Power draw down to ~25%. Inference workloads unaffected.
Built with @Bentaus_, powered by Luxor Energy.
The AI Hardware Price Index is live on @hashrateindex
It tracks the daily median asking price of air-cooled 8-GPU NVIDIA HGX nodes across three series: B300 new, H100 new, and H100 refurbished. Per node and per GPU, in USD or BTC.
Latest prints: B300 at $544K per node. H100 new
September: the last month of 4CP season. One peak left.
Potential to top the mark:
→ Mon Sep 7, 16:00 — 86.6 GW
→ Fri Sep 4, 16:00 — 86.0 GW
→ Sat Sep 5, 16:00 — 85.6 GW
→ Wed Sep 2, 16:00 — 85.5 GW
We expect to call curtailment across the Sep 2–7 window.
Full picture
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