Central Washington.
Quincy, Washington — population 8,200 — hosts eight data center campuses drawing 37% of Grant County PUD's generation, all of it Columbia River hydro. Washington pairs that cheap power with the strictest electrical regulatory regime in the country: the DOSH state plan plus L&I's own electrical certification, plan review, and inspection system.
The market right now
Microsoft has built here since 2007; Sabey, Vantage, CyrusOne, H5 and Yahoo fill out the Quincy grid, with Sabey and Microsoft across the river in Douglas County and AI conversions coming to Moses Lake. The $260M Quincy Transmission Expansion — six new lines including a 32-mile 230 kV run — keeps high-voltage construction in the valley through 2029.
- Quincy (pop ~8,200) hosts 8 data center facilities that consume 37% of Grant County PUD's power generation (Spokesman-Review, 2026)
- Grant PUD generates 2,000+ MW, mostly from its Priest Rapids and Wanapum dams on the Columbia River (Spokesman-Review, 2026)
- Data centers paid 57% of all taxes collected in Quincy — $20M in 2024, up from $9.8M in 2018 (Spokesman-Review, 2026)
- The $260M Quincy Transmission Expansion adds six new lines, incl. a 32-mile 230kV Wanapum-Mountain View line, by 2029 (Spokesman-Review, 2026)
- Microsoft co-funded a 180 MW substation and 2M-gallon reservoir for its Douglas County campus (DCD)
- Grant County Investment Alliance members report ~5,000 new jobs created regionally (Spokesman-Review, 2026)
Every campus on the map
Solid copper markers are operating campuses; white markers are under construction; dashed outlines are announced or planned. Locations are approximate campus-level centroids compiled from public sources — county records, operator announcements, and market reports — as of August 2026. Dense clusters are grouped. Corrections are welcome through the contact page.
Operating campuses mapped
- Microsoft Quincy campuses — Microsoft · Quincy, Grant Co. Multiple campuses since 2007; ~400 employees (Spokesman-Review, 2026)
- Sabey Intergate.Quincy — Sabey Data Centers · Quincy, Grant Co. Multi-tenant hydro-powered colocation campus
- Vantage WA1 — Vantage Data Centers · Quincy, Grant Co. Third and final building at the Quincy campus launched (DCD)
- CyrusOne Quincy — CyrusOne · Quincy, Grant Co. Colocation facility in the Quincy cluster (Data Center Frontier)
- H5 Quincy — H5 Data Centers · Quincy, Grant Co. 40 MW facility; ~100 workers (Data Center Map; Spokesman-Review, 2026)
- Yahoo Quincy — Yahoo (Oath) · Quincy, Grant Co. Longstanding hyperscale site in the Quincy cluster (Spokesman-Review, 2026)
- Sabey Intergate.Columbia — Sabey Data Centers · East Wenatchee, Douglas Co. Douglas County hydro-fed colocation campus
- Microsoft Douglas County — Microsoft · East Wenatchee / Baker Flats. Wenatchee Valley campus, first phase built out (Wenatchee World)
Under construction & planned
- Microsoft Douglas Co expansion — Microsoft · East Wenatchee, Douglas Co · under construction. Expansion backed by a new 180 MW substation and 2M-gallon reservoir Microsoft is helping fund (DCD)
- Bitfarms Moses Lake conversion — Bitfarms · Moses Lake, Grant Co · planned. Former bitcoin mine site to be converted to an AI data center (Columbia Basin/SourceOne, 2026)
- Keel Infrastructure Moses Lake — Keel Infrastructure · Moses Lake, Grant Co · planned. AI infrastructure campus pilot project (datacenters.com; Northwise, 2026)
- Grant PUD Energy Park — Grant County PUD (host) · Grant Co · planned. Pre-feasibility study underway for a large-load energy park (Grant PUD, 2026)
Power
Service territory: Grant County PUD · Douglas County PUD · Chelan County PUD.
- Cheap Columbia River hydro (Priest Rapids, Wanapum, Wells dams) built the cluster; large-load growth now strains PUD capacity
- $260M Quincy Transmission Expansion (six lines by 2029) is the region's key interconnection unlock (Spokesman-Review, 2026)
- Grant PUD is running a pre-feasibility study on an 'Energy Park' model for siting future large loads (Grant PUD commission materials, 2026)
- Regional caution is rising: Avista paused talks on a 500 MW Spokane-area data center (Spokesman-Review, 2026)
The regulatory picture
Enforcement. Washington is a state-plan state: DOSH within the Dept of Labor & Industries (L&I); L&I also runs mandatory electrical plan review and inspections, and WA maintains state-specific electrical safety rules.
Licensing. Among the nation's strictest: electricians must hold L&I certification — 01 general journey-level requires ~8,000 supervised hours plus exam — with enforced trainee supervision ratios and EL01 contractor licensing.
Also in play. WA's rural-county data center sales tax exemption (Grant and Douglas counties qualify) underpins the Quincy cluster; data center taxes now fund the majority of Quincy's city budget (Spokesman-Review, 2026).
What it means for the work
Some of these halls have run for fifteen-plus years and are being re-geared for AI densities — aging switchgear, modern loads, and a rural setting hours from the nearest training hub. Washington's 01 journey-level card proves hours worked, not arc-flash competence; the 70E program still has to be built and taught.
Hydro-fed switchyards and the six-line 230kV Quincy transmission build-out (through 2029) mean sustained high-voltage construction and switching work
WA's strict 01 journey-level certification and L&I electrical inspections set a high compliance bar — employers need documented NFPA 70E programs to match
Decade-old data halls (Microsoft, Yahoo, Sabey) are being retrofitted for higher densities — energized work in aging gear far from any utility-style safety culture
Remote rural location: crews are hours from major training hubs, making on-site and traveling electrical-safety training genuinely scarce
Market context is half the picture. The other half is the decision walk — the nine questions the 2027 edition asks before anyone opens a door on energized gear. Run it against the task, then check the room pages in the Data Center Application Series.
NFPA 70E classes taught on the 2027 edition, against data center topology, about 55 times a year — live virtual weekly, and private onsite days in Central Washington run against your one-lines for crews of 15 or more.