2026-05-17
Why can capacity-market signals move faster than physical infrastructure?
Capacity Markets vs Physical Infrastructure Timing
Short Answer
Capacity-market signals can move faster than physical infrastructure because prices and market rules can change before generation, transmission, equipment, and interconnection work can be built.
Key Data
| Area | Impact | Notes |
|---|---|---|
| Market Signals | Fast | Auctions can signal scarcity before infrastructure is ready |
| Construction Timelines | Slow | Generation and grid upgrades require years of execution |
| Equipment Lead Times | Material | Transformers, turbines, and substations can delay response |
Notes
A market can signal that capacity is needed, but physical infrastructure still has to be financed, permitted, procured, built, and connected.
For AI infrastructure, the risk is that compute demand grows faster than the physical system can respond.
Source: PJM Interconnection, Powering Reliability Through Market Design, May 2026
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