Data centers and new power in Jefferson Davis Parish, LA
890 MW of new power is waiting to connect to the grid in Jefferson Davis Parish, LA — 5 active requests. Typical wait: 2.5 years. 1 projects are built, 9 withdrawn. Data as of 14 October 2026.
Is one near your house?
We have not mapped a large AI data center inside Jefferson Davis Parish itself — but we track the biggest ones nationally, and requests to connect new power here are on the public record.
What is happening with electricity in Jefferson Davis Parish
Every new power plant, battery or big customer has to join a waiting list before it can plug into the grid. This is what that list looks like in Jefferson Davis Parish right now.
Where every request ever filed here ended up
Most requests in the US are withdrawn — a developer tests a site and moves on. That is normal, not a warning sign for Jefferson Davis Parish.
What kind of power is asking to connect
By capacity requested. Data as of 14 October 2026.
All the numbers
15 requests ever filed
Source: interconnection queues published by MISO. Parsed and normalised by Watt Street. Data as of 14 October 2026. A queued project is a request, not a commitment.
Outcome of every request filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 1 | 165 MW | 6.7% |
| Still waiting | 5 | 890 MW | 33.3% |
| Withdrawn | 9 | 1.6 GW | 60.0% |
| Paused | 0 | — | 0.0% |
Waiting to connect, by type of power
| Type | Projects | Capacity requested |
|---|---|---|
| Solar | 5 | 890 MW |
Key dates for projects here
1 dated · next closes 2027-09-10 (MISO)
| Queue | What closes | Closes | Standing |
|---|---|---|---|
| MISO | MISO DPP-2026 Definitive Planning Phase application deadline Attachment X of the tariff and BPM-015. | 2027-09-10 | confirmed source |
| FERC | FERC large-load show cause — stakeholder comments on RTO responses Comments on the six RTO/ISO responses to the FPA section 206 show-cause orders of 18 June 2026 (PJM EL26-67, SPP EL26-68, NYISO EL26-69, MISO EL26-70… | No date published yet | unconfirmed source |
| FERC | FERC RM26-4 — generic large-load rulemaking Still at ANOPR stage. | No date published yet | confirmed source |
| FERC | Georgia PSC - Georgia Power must file large-load contracts 30 days before execution A standing obligation rather than a dated one: large-load contracts must be filed with the commission at least 30 days before they are executed. | No date published yet | confirmed source |
A date marked confirmed was checked by a person against the authority's own tariff, order or form page. Anything else is listed so you know it exists, with a link so you can check it yourself. Full calendar.
The biggest projects on file
top 15 by size
| Project | Type | Capacity | Status | Filed | Queue |
|---|---|---|---|---|---|
| NELSON 500 SWYD - RICHARD 500.0kV | Solar | 400 MW | withdrawn | 2025-10 | MISO |
| NELSON 500 SWYD - RICHARD 500.0kV | Solar | 325 MW | withdrawn | 2024-04 | MISO |
| NELSON 500 SWYD - RICHARD 500.0kV | Solar | 220 MW | active | 2025-09 | MISO |
| NELSON 500 SWYD - RICHARD 500.0kV | Solar | 220 MW | active | 2025-09 | MISO |
| New Jefferson Davis 138 kV Substation | Wind | 200 MW | withdrawn | 2017-06 | MISO |
| Lowe Grout Rd to Jennings 138kV Line | Solar | 200 MW | active | 2022-09 | MISO |
| LAKE CHARLES BULK | Solar | 165 MW | completed | 2020-06 | MISO |
| LC Bulk to Henning 138kV Line (Circuit 28) | Solar | 165 MW | withdrawn | 2022-09 | MISO |
| LC Bulk - Henning 138 kV Line Tap | Solar | 150 MW | withdrawn | 2018-03 | MISO |
| HEBERT (SLEMCO) - HENNING 138.0kV | Solar | 150 MW | active | 2024-04 | MISO |
| Lacassine 69 kV | Solar | 100 MW | withdrawn | 2021-08 | MISO |
| COLONIAL WELSH 138 | Solar | 100 MW | active | 2022-09 | MISO |
| ELTON - COMPTON TAP 69.0kV | Solar | 100 MW | withdrawn | 2024-04 | MISO |
| NELSON 500 SWYD - RICHARD 500.0kV | Solar | 100 MW | withdrawn | 2025-09 | MISO |
| COMPTON CO | Solar | 85 MW | withdrawn | 2024-10 | MISO |
How Jefferson Davis Parish compares
#422 in the US · #6 in LA
Jefferson Davis Parish ranks #422 of 1,607 US counties by power waiting to connect, and #6 of 31 in Louisiana.
| County | Waiting | Capacity queued |
|---|---|---|
| Bossier Parish | 3 | 1.7 GW |
| Iberville Parish | 3 | 1.7 GW |
| Morehouse Parish | 6 | 1.2 GW |
| Ouachita Parish | 4 | 1.2 GW |
| Lafayette Parish | 3 | 943 MW |
| Rapides Parish | 3 | 830 MW |
| St. Landry Parish | 4 | 818 MW |
| Richland Parish | 2 | 750 MW |
Common questions about power in Jefferson Davis Parish
How long does it take to get power for a data center in Jefferson Davis Parish, LA?
The median wait for a project still in the interconnection queue in Jefferson Davis Parish is 2.5 years. Across the US, most large loads are quoted three to seven years depending on the market and whether network upgrades are needed. 1 projects in Jefferson Davis Parish have reached energization and 9 were withdrawn, so the withdrawal rate here is a better guide to risk than any single quoted timeline.
How much capacity is available in Jefferson Davis Parish, LA?
890 MW is currently requested across 5 active interconnection requests, and 165 MW has actually been built. A queued megawatt is a request, not deliverable capacity — most queued projects are never built. For deliverable offtake capacity at a specific substation you need a utility study, not a queue.
Is Jefferson Davis Parish, LA a good site for a data center?
This page gives you the power half of that answer: what is queued, what has been energized, how long the wait runs, and which large load interconnection requests are already recorded nearby. The other half — the state policy position, moratoriums and large load tariffs — is on our Louisiana policy page.
Where does the data on this page come from?
The interconnection queue published by the transmission providers serving Jefferson Davis Parish — MISO — parsed and normalised by Watt Street. Every figure carries the date it was true. Data as of 14 October 2026.
Go deeper on Jefferson Davis Parish
The interactive map plots every one of these applications, and a generated county report puts them in a sourced PDF with the date each figure was true on every page.
Open Jefferson Davis Parish on the map County reports All of Louisiana