Data center campus
Barber Lake
Cipher Digital's (formerly Cipher Mining) 300 gross MW HPC campus on 250 acres near Colorado City in Mitchell County, leased in full to Fluidstack (backstopped by Google). The 10-K frames capacity as 300 gross MW (244 MW Phase I + 56 MW Pha
Under construction · Private land · ERCOT · Colorado City, Texas, United States
Capacity: announced vs energized
Announced
not recorded
Contracted
0.30 GW
verified
Under construction
not recorded
Energized
not recorded
| Source | ||||
|---|---|---|---|---|
| Contracted | 0.30 GW | 2025-12-31 | verified | sec filing |
| Contracted | 0.21 GW | 2025-11-20 | reported | earnings call |
The deal
- operator
- Cipher Digital Inc. · via subsidiary Cipher Barber Lake LLC; formerly Cipher Mining Inc. (ticker CIFR)
- offtaker
- Fluidstack USA II Inc. · 10-year HPC lease, full campus
- financier
- Google LLC · backstops Fluidstack obligations; holds Google Warrants
- utility
- Luminant / Vistra Operations · interconnection electrical facilities
Power
- Power source
- grid
- Grid operator
- ERCOT
- Interconnection
Barber Lake substation (Luminant/Vistra interconnection facilities), 0.30 GW grid interconnect, Energized. 300 MW ERCOT interconnection approved without load-profile restriction; substation sold back to Vistra at lease end
Sources
- Cipher Digital Inc. Form 10-K FY2025
- Amended and Restated Recognition Agreement (Cipher / Fluidstack / Google) 8-K
- Cipher Mining Signs 168 MW, 10-Year AI Hosting Agreement with Fluidstack
b9d40f4b-f4e6-4690-893f-7951c9c32832 · Tracked with DEPLOY's verified-vs-claimed methodology. Announced numbers are claims, not built capacity.