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Gridcensus

BLUEFIELD AVENUE

Substation

West Virginia · APPALACHIAN POWER CO

Max voltage
138
kV

At a glance

BLUEFIELD AVENUE is a 138 kV electric substation in West Virginia on APPALACHIAN POWER CO's transmission network, recorded in the HIFLD transmission dataset. 2 transmission lines connect to it. 19 of West Virginia's 165 named substations operate in a higher voltage band. The highest-scoring datacenter candidate site within about 25 miles is OZ Mercer in Mercer, with a DC Readiness score of 60/100.

BLUEFIELD AVENUE is an electric transmission substation in West Virginia, on APPALACHIAN POWER CO's transmission network. It is classified as sub-transmission (138 kv) and connects 2 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 voltage138 kV
Min voltage138 kV
Voltage classSub-transmission (138 kV)
Connected lines2

Ownership

Line owner (most lines)APPALACHIAN POWER CO
Coordinates37.2641, -81.2387

Connected transmission lines

Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.

Line IDVoltageOwnerStatusLength
#123336138 kVAPPALACHIAN POWER COIN SERVICE1.5 mi
#137833138 kVAPPALACHIAN POWER COIN SERVICE5.0 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

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

Candidate sites near BLUEFIELD AVENUE substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
OZ MercerGreenfieldWVMercer——3.0 yrs60.3
EC Coal Mercer CountyGreenfieldWVMercer County——3.0 yrs59.7
TAP155304Substation-AdjacentWVMcDowell County138 kV100 MW3.0 yrs58.5
Greenfield (JACKSONS FERRY - BROADFORD (76)GreenfieldVASmyth County765 kV1,000 MW5.1 yrs58.4
OZ MercerGreenfieldWVMercer——3.0 yrs58.1
Greenfield (JACKSONS FERRY - BROADFORD (76)GreenfieldVAWythe County765 kV1,000 MW5.1 yrs57.6
CARSWELLSubstation-AdjacentWVMcDowell County138 kV100 MW3.0 yrs57.5
TAP154211Substation-AdjacentVAGiles County138 kV100 MW5.1 yrs57.4

How does BLUEFIELD AVENUE compare with other substations in West Virginia?

West Virginia has 744 substation records in HIFLD, of which 165 carry a station name; the rest are unnamed tap points, risers and line ends. 85 named substations in the state are in BLUEFIELD AVENUE's 115–229 kV band (52% of named stations). 19 sit in a higher band. 19 named substations in West Virginia operate at 345 kV or above. The highest voltage recorded in the state is 765 kV, and the state median is 138 kV.

Who owns the transmission lines at BLUEFIELD AVENUE?

The 2 connected lines listed above are owned by APPALACHIAN POWER CO. Line voltages range from 138 kV to 138 kV. Their combined recorded length is about 6.5 miles.

How do candidate sites near BLUEFIELD AVENUE score?

The 8 highest-scoring candidate sites within about 25 miles range from 57 to 60 on the 0–100 DC Readiness scale. They fall in Mercer, Mercer County, McDowell County, Smyth County. The West Virginia average across 3,734 scored sites is 52. 378 of those West Virginia sites are classed as substation sites (candidate locations generated at an existing substation).

Frequently asked questions

What voltage is BLUEFIELD AVENUE substation?

BLUEFIELD AVENUE has a maximum voltage of 138 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so BLUEFIELD AVENUE is above the national midpoint.

How many transmission lines connect to BLUEFIELD AVENUE substation?

2 transmission lines terminate at or pass through BLUEFIELD AVENUE in the HIFLD line data. The connected lines listed here run at 138 kV. Together the listed lines cover about 6.5 miles.

Who owns BLUEFIELD AVENUE substation?

HIFLD does not publish substation owners directly. Most of the transmission lines that end at BLUEFIELD AVENUE belong to APPALACHIAN POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.

Where is BLUEFIELD AVENUE substation located?

BLUEFIELD AVENUE is in West Virginia at 37.2641, -81.2387. The datacenter candidate sites closest to it are in Mercer, Mercer County, McDowell County.

Are there datacenter candidate sites near BLUEFIELD AVENUE substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of BLUEFIELD AVENUE. The highest-scoring is OZ Mercer at 60/100. Across West Virginia, the average DC Readiness score is 52.

Other 138 kV substations in West Virginia

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, “BLUEFIELD AVENUE substation, West Virginia”, https://gridcensus.com/substations/west-virginia/bluefield-avenue-a47c6215 (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 BLUEFIELD AVENUE substation, West Virginia 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.