Diamond Valley Lake
BrownfieldWinchester, Riverside, California · Metropolitan Water District of S CA
Diamond Valley Lake is a former hydro site in Winchester, Riverside, California, retired 2009-10-01. Retired generation sites are among the most attractive datacenter redevelopment targets: the existing interconnection was sized for roughly 10 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 — Riverside 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.
Nearby brownfield & retired-generation sites
A proximity screen of other retired-plant, contaminated, and EPA-flagged sites near Diamond Valley Lake — the environmental neighborhood, ranked by legacy grid capacity.
| Site | Former use | Legacy MW | Distance | Cleanup status |
|---|---|---|---|---|
| Tequesquite Landfill | former landfill site | 8 | 25.8 mi | cleanup_complete |
| San Gorgonio 1 | former hydro site | 2 | 27.1 mi | — |
| Energy Center | natural gas plant | 2 | 27.0 mi | — |
| Loma Linda University Cogen | natural gas plant | 1 | 27.5 mi | — |
Derived from GridCensus's retired-generator & EPA brownfield dataset. Not a substitute for an ASTM E1527 Phase I environmental radius report.
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Nearby datacenter candidate sites
Scored candidate sites near Diamond Valley Lake, ranked by DC Readiness.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| VALLEY | Substation-Adjacent | CA | Orange County | 500 kV | 1,000 MW | 8.2 yrs | 59.5 |
| INLAND EMPIRE | Substation-Adjacent | CA | Orange County | 500 kV | 1,000 MW | 8.2 yrs | 59.5 |
| SAN BERNARDINO | Substation-Adjacent | CA | Orange County | 500 kV | 1,000 MW | 8.2 yrs | 58.1 |
| Tequesquite Landfill | Brownfield | CA | Riverside | 66 kV | 8 MW | 8.2 yrs | 55.4 |
| CENTURY | Substation-Adjacent | CA | Orange County | 287 kV | 300 MW | 8.2 yrs | 53.2 |
| OZ Riverside | Greenfield | CA | Riverside | — | — | 5.7 yrs | 52.6 |
| VISTA | Substation-Adjacent | CA | Orange County | 230 kV | 300 MW | 8.2 yrs | 52.3 |
| OZ Riverside | Greenfield | CA | Riverside | — | — | 5.7 yrs | 52.1 |
Nearby internet exchanges
- AISO Data CenterRomoland, CA · 1 networks
See all datacenter sites in California →
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
Every site and score for Diamond Valley Lake, Winchester, Riverside, California is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.