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Gridcensus

Sierra Pacific Sonora

Brownfield

Standard, Tuolumne, California · Sierra Pacific Industries

Legacy capacity
8
MW

Sierra Pacific Sonora is a former biomass site in Standard, Tuolumne, California, retired 2018-03-01. Retired generation sites are among the most attractive datacenter redevelopment targets: the existing interconnection was sized for roughly 8 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

Former useformer biomass site
Site typeretired_plant
Existing capacity8 MW
Retirement date2018-03-01
EIA plant ID#54517

Grid hookup & remediation

Nearest substation0.2 mi
OperatorSierra Pacific Industries
Operator address14980 Camage Road, Standard, CA, 95370
Why this site is datacenter-attractive: a former biomass site of this scale leaves behind a high-capacity grid interconnection that a new load can re-use, frequently shaving years off the interconnection queue. Retired-plant sites also tend to be already zoned for heavy industrial use with established road, rail, and water infrastructure.

Site conditions & market — Tuolumne 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

Total employment (laborshed)12,023
Construction employment955
Land value$4,337/acre

Power economics & interconnection

Commercial power rate27.92¢/kWh
Industrial power rate21.43¢/kWh
Load growth (FERC-714)1.3%

Water & cooling

Water stressHigh
Public water supply5.5 MGD
Industrial water use1.5 MGD
Cooling degree days1,000
Mean annual temp59°F

Hazard, flood & connectivity

FEMA risk index48.0 · Relatively High
Fiber providers4 · 4% served

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 Sierra Pacific Sonora, ranked by DC Readiness.

Candidate sites near Sierra Pacific Sonora
SiteTypeStateCountyVoltageCapacityQueue waitScore
MELONES TAP 1Substation-AdjacentCACalaveras County230 kV300 MW8.2 yrs51.4
ELECTRA TAP 2Substation-AdjacentCAAmador County230 kV300 MW8.2 yrs51.2
COLLIERVILLESubstation-AdjacentCACalaveras County230 kV300 MW8.2 yrs50.7
MELONESSubstation-AdjacentCACalaveras County230 kV300 MW8.2 yrs50.6
TULLOCHSubstation-AdjacentCACalaveras County115 kV100 MW8.2 yrs47.4
UNKNOWN302149Substation-AdjacentCATuolumne County115 kV100 MW8.2 yrs47.3
CHINESE STASubstation-AdjacentCACalaveras County115 kV100 MW8.2 yrs46.5
TAP302702Substation-AdjacentCACalaveras County115 kV100 MW8.2 yrs46.5

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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.

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This page shows a public slice of the GridCensus dataset for Sierra Pacific Sonora, Standard, Tuolumne, 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.

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