## Highlights The Southwest Power Pool's 12 tracked data-center markets are averaging **70.8 on the DCPI excess-power index**, placing the ISO's infrastructure corridor in the tier of competitive AI-load destinations. Within SPP, **Oklahom
## Highlights
The Southwest Power Pool's 12 tracked data-center markets are averaging **70.8 on the DCPI excess-power index**, placing the ISO's infrastructure corridor in the tier of competitive AI-load destinations. Within SPP, **Oklahoma City and Tulsa both hold 76.5 excess-power scores**, matching the region's sustained entry into the nation's top three build markets. The ISO-wide constraint metric sits at an average of **39.9**, indicating moderate transmission headroom relative to interconnection load.
## What It Means
For site-selection and capacity-planning teams, SPP's two-market Oklahoma cluster now represents a proven alternative to Texas and Michigan for hyperscaler facility siting. Oklahoma City's **22.8-point spread between excess power (76.5) and constraint (47.1)** reveals a market where near-term transmission upgrades are actionable—a signal that capex-efficient developers can move faster here than in markets where constraint scores approach or exceed excess indices. The ISO-wide 70.8 average suggests SPP remains a secondary-tier market for AI load, but one where interconnection velocity and transmission planning are accelerating.
## Methodology
The DCPI excess-power and constraint indices measure available grid capacity relative to queued interconnection demand and transmission utilization in real time. Excess power scores above 70 indicate healthy headroom; constraint metrics below 50 signal transmission availability. SPP's 12-market coverage includes Oklahoma City, Tulsa, and nine additional metropolitan and edge markets across Kansas, Missouri, and Arkansas.
**Source: DC Hub Data Center Power Index** (https://dchub.cloud/dcpi). Updated daily.