DC Hub's excess-power index places Cheyenne first among 280+ markets, with a constraint score of just 22.5—but developers should validate interconnection timelines before committing capital.
## Highlights
Cheyenne, Wyoming now holds a **70/100 excess-power score** in the DC Hub Data Center Power Index (DCPI)—the strongest excess-power headroom of any tracked US or global market. Its constraint score sits at 22.5, well below the ISO median and a fraction of high-demand metros like Dublin, OH (72.5 constraint) or London (71.8).
## What It Means
Cheyenne sits at the top of the build shortlist on available power. The WECC interconnection backdrop, low land costs, and tax posture have put it on every hyperscaler's radar, but the DCPI score quantifies *how much runway remains*. A 70 excess score means the grid can absorb incremental load without material capital overlay—rare in 2026.
The second-order read: constraint = 22.5 does *not* guarantee six-month timelines. Developers should verify substation capacity, utility staffing, and queue position before assuming Cheyenne is plug-and-play. High excess means the electrons exist; low constraint means the path is open—but both need confirmation at the feeder level.
## Methodology
The DCPI excess-power index synthesizes real-time grid data, queued projects, utility filings, and interconnection studies across seven US ISOs and 15 international grids. Updated daily.
**Source:** DC Hub Data Center Power Index (https://dchub.cloud/dcpi/cheyenne). Updated daily.
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