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Gridcensus

CALPINE KING ENERGY

Substation

California

Max voltage
66
kV

At a glance

CALPINE KING ENERGY is a 66 kV electric substation in California, recorded in the HIFLD transmission dataset. 0 transmission lines connect to it. 1,504 of California's 3,003 named substations operate in a higher voltage band. The highest-scoring datacenter candidate site within about 25 miles is COBURN in Monterey County, with a DC Readiness score of 51/100.

CALPINE KING ENERGY is an electric transmission substation in California. It is classified as distribution (<69 kv) and connects 0 transmission lines. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.

Voltage & classification

Max voltage66 kV
Voltage classDistribution (<69 kV)
Connected lines0

Ownership

No owner is recorded for the lines that connect here.

Coordinates36.2261, -121.1283

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of CALPINE KING ENERGY, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near CALPINE KING ENERGY substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
COBURNSubstation-AdjacentCAMonterey County230 kV300 MW7.6 yrs51.4
SOLEDADSubstation-AdjacentCAMonterey County115 kV100 MW7.6 yrs47.8
Mine SiteFormer MineCAMonterey County——7.6 yrs41.9
Mine SiteFormer MineCAMonterey County——7.6 yrs41.8
Mine SiteFormer MineCAMonterey County——7.6 yrs41.8
Mine SiteFormer MineCAMonterey County——7.6 yrs41.7
OZ MontereyGreenfieldCAMonterey——7.6 yrs41.3
San Lucas Public LibraryIndustrialCAMonterey County——7.6 yrs41.1

How does CALPINE KING ENERGY compare with other substations in California?

California has 4,260 substation records in HIFLD, of which 3,003 carry a station name; the rest are unnamed tap points, risers and line ends. 1,439 named substations in the state are in CALPINE KING ENERGY's below 69 kV band (48% of named stations). 1,504 sit in a higher band. 44 named substations in California operate at 345 kV or above. The highest voltage recorded in the state is 500 kV, and the state median is 69 kV.

How do candidate sites near CALPINE KING ENERGY score?

The 8 highest-scoring candidate sites within about 25 miles range from 41 to 51 on the 0–100 DC Readiness scale. They fall in Monterey County, Monterey. The California average across 8,490 scored sites is 45.4. 1,573 of those California sites are classed as substation sites (candidate locations generated at an existing substation).

Frequently asked questions

What voltage is CALPINE KING ENERGY substation?

CALPINE KING ENERGY has a maximum voltage of 66 kV. That places it in the below 69 kV band. The median named US substation in this dataset is 115 kV, so CALPINE KING ENERGY is below the national midpoint.

How many transmission lines connect to CALPINE KING ENERGY substation?

0 transmission lines terminate at or pass through CALPINE KING ENERGY in the HIFLD line data.

Where is CALPINE KING ENERGY substation located?

CALPINE KING ENERGY is in California at 36.2261, -121.1283. The datacenter candidate sites closest to it are in Monterey County, Monterey.

Are there datacenter candidate sites near CALPINE KING ENERGY substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of CALPINE KING ENERGY. The highest-scoring is COBURN at 51/100. Across California, the average DC Readiness score is 45.4.

Other 66 kV substations in California

About this data

Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “CALPINE KING ENERGY substation, California”, https://gridcensus.com/substations/california/calpine-king-energy-1807d0c7 (data as of June 29, 2026).

Dataset updated . Screening estimates derived from public data sources.

Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.

Go deeper than the public screen

Every site and score for CALPINE KING ENERGY substation, 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.