Alta Powerhouse
BrownfieldAlta, Placer, California · Pacific Gas & Electric Co.
Alta Powerhouse is a former hydro site in Alta, Placer, California, retired 2013-07-01. Retired generation sites are among the most attractive datacenter redevelopment targets: the existing interconnection was sized for roughly 1 MW of generation, so the grid hookup, transmission rights, and often cooling-water access are already in place — collapsing the speed-to-power timeline versus a greenfield build.
Former use & capacity
Grid hookup & remediation
Site conditions & market — Placer County
County-level intelligence for this site's location — the power economics, water, hazard, connectivity, and workforce a developer screens before ever visiting. Assembled from FEMA NRI, BLS QCEW, FCC BDC, USGS water-use, and EIA.
Market & workforce
Power economics & interconnection
Water & cooling
Hazard, flood & connectivity
County-level context — address-level utility offerings and flood zoning vary within the county. Confirm site-specific service with the utility and a Phase I ESA.
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Nearby datacenter candidate sites
Scored candidate sites near Alta Powerhouse, ranked by DC Readiness.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| RALSTON | Substation-Adjacent | CA | Placer County | 230 kV | 300 MW | 8.2 yrs | 51.1 |
| COLGATE | Substation-Adjacent | CA | Yuba County | 230 kV | 300 MW | 8.2 yrs | 51.1 |
| WISE | Substation-Adjacent | CA | Placer County | 115 kV | 100 MW | 8.2 yrs | 51.0 |
| PLACER | Substation-Adjacent | CA | Placer County | 115 kV | 100 MW | 8.2 yrs | 50.9 |
| NEWCASTLE | Substation-Adjacent | CA | Placer County | 115 kV | 100 MW | 8.2 yrs | 50.9 |
| FLINT | Substation-Adjacent | CA | Placer County | 115 kV | 100 MW | 8.2 yrs | 50.8 |
| MIDDLE FORK | Substation-Adjacent | CA | Placer County | 230 kV | 300 MW | 8.2 yrs | 50.8 |
| JAYBIRD | Substation-Adjacent | CA | El Dorado County | 230 kV | 300 MW | 8.2 yrs | 50.3 |
Nearby internet exchanges
- Quest RosevilleRoseville, CA · 0 networks
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Dataset updated . Screening estimates derived from public data sources.
Brownfield attributes are derived from EIA retired-generator and EPA public data. Existing capacity reflects the retired plant's historical nameplate, not deliverable interconnection for a new load. Confirm reusable interconnection rights, remediation status, and site availability with the utility, ISO, and current owner.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for Alta Powerhouse, Alta, Placer, California. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.