DARDANELLE

Substation

Arkansas · ENTERGY ARKANSAS INC

Max voltage
161
kV

DARDANELLE is an electric transmission substation in Arkansas, operated by ENTERGY ARKANSAS INC. It is classified as sub-transmission (138 kv) and connects 5 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 voltage161 kV
Min voltage161 kV
Voltage classSub-transmission (138 kV)
Connected lines5

Ownership & operation

OperatorENTERGY ARKANSAS INC
Co-ownerSOUTHWESTERN POWER ADMINISTRATION
Coordinates35.3896, -93.0785

Connected transmission lines

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

Line IDVoltageOwnerStatusLength
#2537161 kVENTERGY ARKANSAS INCIN SERVICE3.0 mi
#6203161 kVSOUTHWESTERN POWER ADMINISTRATIONIN SERVICE63.5 mi
#7469161 kVSOUTHWESTERN POWER ADMINISTRATIONIN SERVICE34.8 mi
#8026161 kVENTERGY ARKANSAS INCIN SERVICE1.9 mi
#41734161 kVENTERGY ARKANSAS INC0.1 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

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

Candidate sites near DARDANELLE substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
ARKANSAS NUCLEAR ONESubstation-AdjacentARPope County500 kV1,000 MW3.4 yrs73.6
PLEASANT HILLSubstation-AdjacentARConway County500 kV1,000 MW1.4 yrs70.2
Greenfield (FORT SMITH - ARKANSAS NUCLEAR )GreenfieldARYell County500 kV1,000 MW3.4 yrs67.3
Greenfield (FORT SMITH - ARKANSAS NUCLEAR )GreenfieldARYell County500 kV1,000 MW3.4 yrs66.3
Greenfield (FORT SMITH - ARKANSAS NUCLEAR )GreenfieldARYell County500 kV1,000 MW3.4 yrs66.0
Greenfield (MABELVALE SUBSTATION - ARKANSA)GreenfieldARPerry County500 kV1,000 MW1.4 yrs66.0
Greenfield (FORT SMITH - ARKANSAS NUCLEAR )GreenfieldARYell County500 kV1,000 MW3.4 yrs65.4
Greenfield (PLEASANT HILL - ARKANSAS NUCLE)GreenfieldARPope County500 kV1,000 MW1.4 yrs65.3

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

This page shows a public slice of the GridCensus dataset for DARDANELLE substation, Arkansas. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.