The Definitive Guide toAI Data Centers
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utilities, system operators, hyperscalers and vendors in EPRI's DCFlex initiative, which had nine active demonstration sites as of October 2026

65+observed

Value kindobserved — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range.
ScopeConsortium membership count; the nine active field demonstrations are EPRI's October 2026 status. Membership is voluntary and does not commit any site to a flexibility level.
As of2025
SourceEPRI DCFlex / Flex MOSAIC
Reviewchecking…review by 2027-04-16 · standard cadence
Recorded changeslast 2026-06-29
Claim idutilities-operators-hyperscalers-and-amp

Where the guide uses it

Not quoted in a chapter yet; it is kept in the curated register.

← Full numbers register — every date-stamped figure in the guide, with revision history.