DEPLOYDatabase

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.

SoftBank/OpenAI Sakai AI Data Center (former Sharp LCD plant) capacity claims
Source
Announced0.15 GW2025-03-14reportedjournalist report
Announced0.25 GW2025-03-14claimedjournalist report
Energized0 GW2025-03-14reportedjournalist 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

7cc3015d-47e3-41e5-b9f1-3f120ead46ef · Tracked with DEPLOY's verified-vs-claimed methodology. Announced numbers are claims, not built capacity.