WAVELAND
SubstationMississippi · MISSISSIPPI POWER CO
At a glance
WAVELAND is an electric transmission substation in Mississippi, on MISSISSIPPI POWER CO's transmission network. It is classified as unclassified and connects 1 transmission line. 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #148246 | — | MISSISSIPPI POWER CO | IN SERVICE | 0.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of WAVELAND, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN110434 | Substation-Adjacent | MS | Hancock County | 230 kV | 300 MW | 3.9 yrs | 66.3 |
| UNKNOWN110011 | Substation-Adjacent | MS | Harrison County | 230 kV | 300 MW | 3.9 yrs | 64.4 |
| TAP143433 | Substation-Adjacent | MS | Hancock County | 230 kV | 300 MW | 3.9 yrs | 64.3 |
| TAP143434 | Substation-Adjacent | MS | Hancock County | 230 kV | 300 MW | 3.9 yrs | 64.1 |
| UNKNOWN112547 | Substation-Adjacent | LA | St. Tammany Parish | 230 kV | 300 MW | 4.3 yrs | 64.1 |
| UNKNOWN110004 | Substation-Adjacent | MS | Hancock County | 230 kV | 300 MW | 3.9 yrs | 64.0 |
| UNKNOWN110007 | Substation-Adjacent | MS | Hancock County | 230 kV | 300 MW | 3.9 yrs | 63.8 |
| UNKNOWN110001 | Substation-Adjacent | MS | Pearl River County | 230 kV | 300 MW | 3.9 yrs | 63.6 |
Who owns the transmission lines at WAVELAND?
The 1 connected line listed above is owned by MISSISSIPPI POWER CO. Their combined recorded length is about 0 miles.
How do candidate sites near WAVELAND score?
The 8 highest-scoring candidate sites within about 25 miles range from 64 to 66 on the 0–100 DC Readiness scale. They fall in Hancock County, Harrison County, St. Tammany Parish, Pearl River County. The Mississippi average across 3,104 scored sites is 53. 694 of those Mississippi sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
How many transmission lines connect to WAVELAND substation?
1 transmission line terminate at or pass through WAVELAND in the HIFLD line data. Together the listed lines cover about 0 miles.
Who owns WAVELAND substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at WAVELAND belong to MISSISSIPPI POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is WAVELAND substation located?
WAVELAND is in Mississippi at 30.3047, -89.4049. The datacenter candidate sites closest to it are in Hancock County, Harrison County, St. Tammany Parish.
Are there datacenter candidate sites near WAVELAND substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of WAVELAND. The highest-scoring is UNKNOWN110434 at 66/100. Across Mississippi, the average DC Readiness score is 53.
More in Mississippi
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, “WAVELAND substation, Mississippi”, https://gridcensus.com/substations/mississippi/waveland-21ae3faf (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 WAVELAND substation, Mississippi 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.