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Gridcensus

SEGS IX

Brownfield

Hinkley, San Bernardino, California · Terra-Gen Operating Co-Solar

Legacy capacity
92
MW

SEGS IX is a natural gas plant in Hinkley, San Bernardino, California, retired 2024-10-01. Retired generation sites are among the most attractive datacenter redevelopment targets: the existing interconnection was sized for roughly 92 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 usenatural gas plant
Site typeretired_plant
Existing capacity92 MW
Retirement date2024-10-01
EIA plant ID#10446

Grid hookup & remediation

Nearest substation0.7 mi
Operator address43880 Harper Lake Road, Hinkley, CA, 92347
Why this site is datacenter-attractive: a natural gas plant 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 — San Bernardino 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)708,641
Construction employment40,899
Land value$47,339/acre

Power economics & interconnection

Commercial power rate18.50¢/kWh
Industrial power rate14.49¢/kWh
Load growth (FERC-714)1.3%

Water & cooling

Water stressHigh
Public water supply337.7 MGD
Industrial water use46.0 MGD
Cooling degree days1,000
Mean annual temp59°F

Hazard, flood & connectivity

FEMA risk index48.0 · Relatively High
Fiber providers15 · 63% 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 SEGS IX, ranked by DC Readiness.

Candidate sites near SEGS IX
SiteTypeStateCountyVoltageCapacityQueue waitScore
KRAMERSubstation-AdjacentCALos Angeles County230 kV300 MW8.2 yrs52.5
SEGS 4Substation-AdjacentCALos Angeles County230 kV300 MW8.2 yrs52.4
SEGS IXBrownfieldCASan Bernardino County—92 MW8.2 yrs50.3
OZ KernGreenfieldCAKern——5.7 yrs49.9
OZ San BernardinoGreenfieldCASan Bernardino——5.7 yrs49.7
ROCKET TESTSubstation-AdjacentCALos Angeles County115 kV100 MW8.2 yrs48.3
TAP302725Substation-AdjacentCASan Bernardino County115 kV100 MW8.2 yrs48.2
SEGS 5Substation-AdjacentCALos Angeles County115 kV100 MW8.2 yrs48.0

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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 SEGS IX, Hinkley, San Bernardino, 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.