AWS Project Cosmos

Facility record

Lifecycle

Under constructionSource-reported lifecycle

Location precision

approximate

Address as listed

Not published

Coordinates

40.237, -83.35

Serving utility, source-reported

Not established

Operational capacity, source-reported

Not published

Planned capacity, source-reported

Not published

Source record updated

2026-10-22

Source-reported capacity; not metered consumption. Review underlying documents and notes. Planned capacity may include future phases and is not added to operational capacity here. The source may use facility, grid-feed or IT capacity definitions; consult the linked documents.

Coordinate precision is a source label, not an independent parcel survey. A marker does not confirm utility territory or establish an effect on residential bills.

Reported lifecycle history

1. 2024-10Proposed

   AWS files rezoning application for Marysville Innovation Park at 14684 Industrial Parkway

   Underlying source
2. 2025-03Permitted

   Marysville City Council approves Community Reinvestment Area agreement; 30-year 100% property tax exemption granted; permit issued March 10, 2025

   Underlying source
3. 2026-01Under construction

   City of Marysville FAQ confirms site readiness activities began early 2026 with construction running through 2027; DCD had projected August 2025 construction start from permit approval which appears to have been delayed. Two buildings (~250,000 sq ft each); completion targeted 2027.

   Underlying source

Source notes

14684 Industrial Parkway, Marysville OH 43040 (Union County, ~30 mi NW of Columbus). Two-building campus totaling ~500,000 sq ft on 55 acres. Also referenced as 'Project Cosmo' (without trailing 's') in DCD. Jobs updated to 50 per Marysville city FAQ ('at least 50 full-time operational jobs'); original record stated 25 from DCD/Amazon initial filing. Construction start updated to early 2026 per city FAQ; DCD had projected August 2025 which appears delayed. Part of AWS's broader $10B+ Ohio infrastructure commitment. Coordinates are approximate Marysville Innovation Park area.

Non-contact cooling; on-site water storage used during off-peak hours; city water supply only (no on-site wells)

Sources and provenance

• AWS gets go-ahead for data center campus in Marysville, Ohio · source retrieved 2026-07-06
• Amazon Web Services Press Release - Grow Union County Ohio · source retrieved 2026-07-06
• Data Center FAQs - City of Marysville, OH · source retrieved 2026-07-06

Power Wars capture: 2026-11-02. Compute Atlas, CC BY 4.0. Entries are not independently verified by Power Wars unless stated.