Datacenter Sites in St. Helena County, Louisiana
St. Helena County has 27 scored datacenter candidate sites averaging 49.3/100 DC Readiness, with a catalogued aggregate of 1,300 MW. FEMA rates local natural-hazard risk as "Very High". The county has a datacenter tax incentive on record.
At a glance
St. Helena County, Louisiana has 27 scored datacenter candidate sites averaging 49.3/100 DC Readiness, roughly in line with the Louisiana average of 53.1. It ranks 16th of 59 Louisiana counties by number of sites and 54th by average score. The top-scoring site is MC KNIGHT at 63.1/100.
Site-selection context for St. Helena County
Incentive detail: Industrial Tax Exemption Program (ITEP) up to 80% property tax abatement for 10 years.
How does St. Helena County compare with other counties in Louisiana?
By number of scored sites, St. Helena County ranks 16th of the 59 Louisiana counties with a county page, holding 1.5% of the state's 1,762 sites. Its average DC Readiness of 49.3/100 ranks 54th in the state and is roughly in line with the national average of 53.2. Nationally it has the 1383rd-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 1 score 55 or higher.
What types of datacenter sites are in St. Helena County?
Former Mine sites are the most common (22, 81% of the county's inventory), followed by substation-adjacent (4) and greenfield (1). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.
What are power cost, hazard, water and fiber conditions in St. Helena County?
Industrial electricity averages 8.67¢/kWh and commercial 11.35¢/kWh. FEMA's National Risk Index rates the county "Very High" (58). WRI water stress is low. 4 fiber providers report service in the county. The climate runs 2,700 cooling degree days a year with a mean temperature of 67°F. Land is valued around $4,232 an acre.
By site type
Top datacenter sites in St. Helena County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| MC KNIGHT | Substation-Adjacent | 500 kV | 1,000 MW | 4.3 yrs | 63.1 |
| UNKNOWN112443 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 54.2 |
| UNKNOWN110656 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 53.5 |
| TAP142945 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 53.0 |
| OZ St. Helena | Greenfield | — | — | 4.3 yrs | 52.7 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 49.4 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 49.2 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 49.2 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 49.2 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 49.2 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 49.1 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 49.1 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 48.3 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 48.3 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 48.2 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 47.8 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 47.6 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 47.5 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 47.2 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 47.2 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 47.2 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 47.2 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 47.2 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 47.2 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 47.2 |
Every scored site in St. Helena County
All 27 sites, best first.
- MC KNIGHT · 63.1
- Substation-Adjacent site · 8d935447 · 54.2
- Substation-Adjacent site · a3060718 · 53.5
- Substation-Adjacent site · d0a7b8db · 53.0
- OZ St. Helena · 52.7
- Mine Site · d19b8975 · 49.4
- Mine Site · 40d0a8ff · 49.2
- Mine Site · 5d6e7dfc · 49.2
- Mine Site · 1e993fb7 · 49.2
- Mine Site · 4a3e9a30 · 49.2
- Mine Site · 1bec77b5 · 49.1
- Mine Site · 7829f81d · 49.1
- Mine Site · 100c1030 · 48.3
- Mine Site · 8916750c · 48.3
- Mine Site · 7fb9b1b2 · 48.2
- Mine Site · ab64e030 · 47.8
- Mine Site · 8426ef53 · 47.6
- Mine Site · 2fa90904 · 47.5
- Mine Site · 78aa852a · 47.2
- Mine Site · 728aada3 · 47.2
- Mine Site · d134d8b6 · 47.2
- Mine Site · 8f81023f · 47.2
- Mine Site · 2620fa3a · 47.2
- Mine Site · b6c3f144 · 47.2
- Mine Site · 48cee5e1 · 47.2
- Mine Site · 866e8d8d · 46.8
- Mine Site · 0487e648 · 46.3
St. Helena County datacenter FAQ
How many datacenter sites are in St. Helena County?
27 scored datacenter candidate sites, averaging 49.3/100 DC Readiness. That is the 16th-most of 59 Louisiana counties with five or more sites.
What is the highest-scoring datacenter site in St. Helena County?
MC KNIGHT scores 63.1/100 DC Readiness, the highest of the 27 scored sites in St. Helena County (a substation-adjacent site).
Does St. Helena County offer datacenter tax incentives?
Industrial Tax Exemption Program (ITEP) up to 80% property tax abatement for 10 years.
What is the natural-hazard risk in St. Helena County?
FEMA's National Risk Index rates St. Helena County as "Very High" (score 58).
What are industrial electricity rates in St. Helena County?
Average industrial electricity is 8.67¢/kWh and commercial is 11.35¢/kWh in St. Helena County.
More in Louisiana
- All datacenter sites in Louisiana· 1,762 sites
- Operating datacenters in Louisiana
- Electric substations in Louisiana
- East Baton Rouge County· 173 sites · avg 55.9
- Orleans County· 126 sites · avg 56.0
- Caddo County· 111 sites · avg 56.5
- Calcasieu Parish· 111 sites · avg 51.8
- Lafayette Parish· 81 sites · avg 54.0
- Ouachita· 79 sites · avg 50.4
- Former Mine sites in Louisiana
- Substation-Adjacent sites in Louisiana
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Datacenter candidate sites in St. Helena County, Louisiana”, https://gridcensus.com/datacenter-sites/louisiana/st-helena-county (data as of October 10, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for St. Helena County, Louisiana 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.