MIDWAY M.P.
SubstationArkansas
At a glance
MIDWAY M.P. is an electric transmission substation in Arkansas. It is classified as distribution (69–115 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
Ownership & operation
Operator not catalogued for this substation.
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of MIDWAY M.P., 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN123543 | Substation-Adjacent | AR | Hempstead County | 345 kV | 600 MW | 4.3 yrs | 65.4 |
| OZ Howard | Greenfield | AR | Howard | — | — | 4.3 yrs | 62.4 |
| EC FFE Hempstead County | Greenfield | AR | Hempstead County | — | — | 4.3 yrs | 61.9 |
| TAP171990 | Substation-Adjacent | AR | Hempstead County | 115 kV | 100 MW | 4.3 yrs | 61.1 |
| WEST | Substation-Adjacent | AR | Hempstead County | 115 kV | 100 MW | 4.3 yrs | 61.1 |
| TAP150157 | Substation-Adjacent | AR | Hempstead County | 115 kV | 100 MW | 4.3 yrs | 60.9 |
| TAP150156 | Substation-Adjacent | AR | Hempstead County | 115 kV | 100 MW | 4.3 yrs | 59.9 |
| UNKNOWN108045 | Substation-Adjacent | AR | Hempstead County | 115 kV | 100 MW | 4.3 yrs | 59.9 |
How does MIDWAY M.P. 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. 36 named substations in the state are in MIDWAY M.P.'s 69–114 kV band (21% of named stations). 126 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 MIDWAY M.P. score?
The 8 highest-scoring candidate sites within about 25 miles range from 60 to 65 on the 0–100 DC Readiness scale. They fall in Hempstead County, Howard. 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 MIDWAY M.P. substation?
MIDWAY M.P. has a maximum voltage of 69 kV. That places it in the 69–114 kV band. The median named US substation in this dataset is 115 kV, so MIDWAY M.P. is below the national midpoint.
How many transmission lines connect to MIDWAY M.P. substation?
2 transmission lines terminate at or pass through MIDWAY M.P. in the HIFLD line data.
Where is MIDWAY M.P. substation located?
MIDWAY M.P. is in Arkansas at 33.9121, -93.8894. The datacenter candidate sites closest to it are in Hempstead County, Howard.
Are there datacenter candidate sites near MIDWAY M.P. substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of MIDWAY M.P. The highest-scoring is UNKNOWN123543 at 65/100. Across Arkansas, the average DC Readiness score is 53.6.
Other 69 kV substations in Arkansas
- STATE LINE· 4 lines
- BLOOMBURG M.P.· 3 lines
- DIERKS· 3 lines
- F.M. COCHRAN· 3 lines
- GREENLAND· 3 lines
- SOUTH TEXA.· 3 lines
- WALDRON· 3 lines
- ARCH SMITH· 2 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, “MIDWAY M.P. substation, Arkansas”, https://gridcensus.com/substations/arkansas/midway-m-p-6b964d9a (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 MIDWAY M.P. 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.