Lower Marias (P-S) at 48.324, -111.310
Federal ExcessToole County, Montana · WECC
At a glance
Lower Marias (P-S) at 48.324, -111.310 is a federal excess datacenter candidate site in Toole County, Montana, scoring 51.2/100 DC Readiness — 60th of 81 scored sites in the county. It sits in the WECC grid region and the MARIAS RIVER ELECTRIC COOP INC service territory, where interconnection has averaged 1.1 years from request to operation.
Power & interconnection
Speed to power
Shorter queues and healthier completion here — a faster path to energization than the national norm.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: New/expanding industry tax abatement available for DC construction.
Site location
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How does Lower Marias (P-S) at 48.324, -111.310 compare with other sites in Toole County?
Lower Marias (P-S) at 48.324, -111.310 ranks 60th of 81 scored candidate sites in Toole County. Its 51.2/100 is roughly in line with the county average of 52.5. It is roughly in line with the Montana average of 54.3 and roughly in line with the national average of 53.2.
Against the Montana average, its strongest sub-score is natural hazard (88 vs 88) and its weakest is power availability (30 vs 37). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Lower Marias (P-S) at 48.324, -111.310 to power, fiber and other datacenters?
2 fiber providers report service at the location in FCC broadband data.
What are the flood, water and hazard risks at Lower Marias (P-S) at 48.324, -111.310?
At the county level, FEMA's National Risk Index rates Toole County "Very Low".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Toole County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| SHELBY | Substation-Adjacent | 230 kV | 300 MW | 1.1 yrs | 61.9 |
| UNKNOWN206280 | Substation-Adjacent | 230 kV | 300 MW | 1.1 yrs | 61.4 |
| UNKNOWN206279 | Substation-Adjacent | 230 kV | 300 MW | 1.1 yrs | 61.1 |
| UNKNOWN206281 | Substation-Adjacent | 230 kV | 300 MW | 1.1 yrs | 60.9 |
| OZ Toole | Greenfield | — | — | 1.1 yrs | 59.8 |
| TAP204146 | Substation-Adjacent | 115 kV | 100 MW | 1.1 yrs | 57.6 |
| SHELBY | Substation-Adjacent | 115 kV | 100 MW | 1.1 yrs | 57.6 |
| UNKNOWN208157 | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 55.7 |
Lower Marias (P-S) at 48.324, -111.310: common questions
What is the DC Readiness score of Lower Marias (P-S) at 48.324, -111.310?
Lower Marias (P-S) at 48.324, -111.310 scores 51.2/100 on the GridCensus DC Readiness scale, rated fair. It ranks 60th of 81 scored sites in Toole County. The Toole County average is 52.5 and the Montana average is 54.3.
Which electric utility serves Lower Marias (P-S) at 48.324, -111.310?
MARIAS RIVER ELECTRIC COOP INC (not available) holds the retail service territory that contains the site.
What grid region is Lower Marias (P-S) at 48.324, -111.310 in?
Lower Marias (P-S) at 48.324, -111.310 is in the WECC region. Projects interconnecting there have averaged a 1.1-year wait from queue request to operation.
Related pages
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, “Lower Marias (P-S) at 48.324, -111.310, Toole County, MT”, https://gridcensus.com/datacenter-sites/montana/toole-county/lower-marias-p-s-ecce4eda (data as of October 10, 2026).
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
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