Platform records 63.4 GW in capacity announcements across six operators in 48 hours; MCP tool usage climbs 25% week-over-week
## Headline
Switch disclosed a 55,000 MW power reserve today, the largest single capacity commitment ever recorded in the DC Hub transaction database. The announcement arrives alongside five other major power deals totaling 8.4 GW, pushing the platform's 48-hour pipeline tally to 63.4 GW across hyperscale and colocation operators.
## What Moved
Stack Infrastructure secured 8 GW in new capacity yesterday, while CoreWeave closed a $900M financing round. Google added 100 MW, atNorth committed 350 MW, and Samsung announced a $100M facility investment. The six transactions span four continents and represent the highest 48-hour deal volume DC Hub has tracked in 2026.
On the market side, Cheyenne, WY posted a 69.5 DCPI Excess Power score, the strongest reading in the WECC region this week. Montréal followed at 65.2. Dublin, OH (22.4), London, UK (13.5), and Amsterdam, NL (13.7) rank as the three most power-constrained markets in the index today.
## Platform Intelligence
DC Hub's MCP API recorded 5,125 tool calls in the last 24 hours from 14 unique developer clients. The platform now tracks 234 markets globally, up 216 markets week-over-week as new European and Asia-Pacific coverage goes live. MCP tool call volume grew 25.1% compared to the prior seven-day period, while the developer base expanded 104% to 51 active integrators.
## Methodology
The DC Hub Data Center Power Index (DCPI) scores 234 markets daily using live grid telemetry, utility filings, and substation capacity data across 126,445 monitored substations. Excess Power scores above 60 indicate strong build conditions; Constraint scores above 65 flag elevated interconnection risk.
**Source:** DC Hub Data Center Power Index (https://dchub.cloud/dcpi). Updated daily.
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