HERGETT JCWL
SubstationArkansas
At a glance
HERGETT JCWL is an electric transmission substation in Arkansas. 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
Ownership & operation
Operator not catalogued for this substation.
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of HERGETT JCWL, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| JONESBORO EHV | Substation-Adjacent | AR | Craighead County | 500 kV | 1,000 MW | 4.3 yrs | 64.4 |
| OZ Craighead | Greenfield | AR | Craighead | — | — | 4.3 yrs | 59.2 |
| OZ Craighead | Greenfield | AR | Craighead | — | — | 4.3 yrs | 58.8 |
| EC Near Paragould | Greenfield | AR | Greene | — | — | 4.3 yrs | 57.7 |
| EC FFE Greene County | Greenfield | AR | Greene County | — | — | 4.3 yrs | 57.4 |
| OZ Craighead | Greenfield | AR | Craighead | — | — | 4.3 yrs | 57.4 |
| EC Near Paragould | Greenfield | AR | Greene | — | — | 4.3 yrs | 56.8 |
| JONESBORO SPA | Substation-Adjacent | AR | Craighead County | 161 kV | 100 MW | 4.3 yrs | 56.6 |
How does HERGETT JCWL compare with other substations in Arkansas?
Arkansas has 1,025 substation records in HIFLD, of which 174 carry a station name; the rest are unnamed tap points, risers and line ends. 104 named substations in the state are in HERGETT JCWL's 115–229 kV band (60% of named stations). 22 sit in a higher band. 17 named substations in Arkansas operate at 345 kV or above. The highest voltage recorded in the state is 500 kV, and the state median is 161 kV.
How do candidate sites near HERGETT JCWL score?
The 8 highest-scoring candidate sites within about 25 miles range from 57 to 64 on the 0–100 DC Readiness scale. They fall in Craighead County, Craighead, Greene, Greene County. The Arkansas average across 1,651 scored sites is 53.6. 758 of those Arkansas sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is HERGETT JCWL substation?
HERGETT JCWL has a maximum voltage of 161 kV and a minimum of 69 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so HERGETT JCWL is above the national midpoint.
How many transmission lines connect to HERGETT JCWL substation?
5 transmission lines terminate at or pass through HERGETT JCWL in the HIFLD line data.
Where is HERGETT JCWL substation located?
HERGETT JCWL is in Arkansas at 35.8054, -90.6234. The datacenter candidate sites closest to it are in Craighead County, Craighead, Greene.
Are there datacenter candidate sites near HERGETT JCWL substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of HERGETT JCWL. The highest-scoring is JONESBORO EHV at 64/100. Across Arkansas, the average DC Readiness score is 53.6.
Other 161 kV substations in Arkansas
- VBI· 9 lines
- BULL SHOALS· 8 lines
- JONESBORO SPA· 8 lines
- NEWPORT SUBSTATION· 7 lines
- NORFORK· 7 lines
- EAST FAYETTEVILLE· 6 lines
- JONESBORO· 6 lines
- MASSARD· 6 lines
- All named substations in Arkansas· 174 stations
- Datacenter candidate sites in Arkansas· 1,651 sites
- Brownfield and retired plant sites in Arkansas
- Substations by state
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, “HERGETT JCWL substation, Arkansas”, https://gridcensus.com/substations/arkansas/hergett-jcwl-f83f1066 (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 HERGETT JCWL substation, Arkansas 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.