Data center campus
SoftBank/OpenAI Sakai AI Data Center (former Sharp LCD plant)
SoftBank/OpenAI Sakai AI Data Center is an announced AI data center campus. 0.15 GW of capacity has been announced; none is energized yet. The gap is what this page tracks: what is claimed versus what is actually built, each figure dated and sourced.
Under construction · Brownfield · Sakai, Osaka, Japan (JGSDF Trials)
Capacity: announced vs energized
Announced
0.15 GW
reported
Contracted
not recorded
Under construction
not recorded
Energized
0 GW
reported
Announced-to-energized gap: 0.15 GW. Every figure below is a single dated, sourced claim. Current best per series resolves by evidence tier, then date. See the methodology.
| Source | ||||
|---|---|---|---|---|
| Announced | 0.15 GW | 2025-03-14 | reported | journalist report |
| Announced | 0.25 GW | 2025-03-14 | claimed | journalist report |
| Energized | 0 GW | 2025-03-14 | reported | journalist report |
The deal
- developer
- SoftBank Corp. · Purchaser and operator of the site
- offtaker
- OpenAI · Partner via SB OpenAI Japan JV; Cristal Intelligence workloads
- utility
- Sharp Corporation · Seller of the former Sakai LCD factory (brownfield)
Power
- Power source
- grid
- Interconnection
Financial structure
- Purchase of former Sharp Sakai plant
- $676M. Property acquisition (100bn yen) journalist report
- Estimated full-scale investment (Nikkei calc, ~100k GPUs)
- $6.7B. Nikkei estimate; not committed/confirmed journalist report
Sources
- SoftBank buys $676M old Sharp plant for its OpenAI collab in Japan
- SoftBank buys former Sharp factory for $676m to build AI data center in Osaka, Japan
- SoftBank, OpenAI to run AI agents at former Sharp LCD plant
7cc3015d-47e3-41e5-b9f1-3f120ead46ef · Tracked with DEPLOY's verified-vs-claimed methodology. Announced numbers are claims, not built capacity.