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Gridcensus

Lower Marias (P-S)

Federal Excess

Liberty County, Montana · MISO

DC Readiness
49.6
Fair / 100

Lower Marias (P-S) is a federal excess datacenter candidate site in Liberty County, Montana, interconnecting through MISO. It screens at 49.6/100 DC Readiness and a 2.8 yrs average interconnection-queue wait.

Power & interconnection

UtilityMARIAS RIVER ELECTRIC COOP INCnot availablefavorable to large load · state default

Speed to power

Interconnection outlookFavorable
≈ 2.8 yrs typical interconnection wait

Shorter queues and healthier completion here — a faster path to energization than the national norm.

ISO / RTO regionMISO
Queue depth170
Avg queue wait2.8 yrs

Connectivity

Fiber providers3
Fiber coverage94.1%

Site characteristics

Acreage80 ac
Buildable load (est.)~32–80 MWland-based
Former useReclamation and Irrigation

Risk & environment

Environmental constraintNone (0/100)
Water stress (WRI)Medium-High
Wetlands (NWI)—
Critical habitat—
Superfund nearby—
Hazard sub-score88/100

Location context

County hazard (FEMA NRI)Very Low (12)
DC tax incentiveYes (property_tax_abatement)
Commercial electricity8.14¢/kWh
Industrial electricity5.64¢/kWh
Cooling degree days400
Heating degree days7,600
Land price / acre$1,237

Regulatory climate

Moderatestate posture · as of 2026-08

No notable statewide DC restriction on record; confirm local zoning and utility tariffs.

DC tax incentiveNo / suspended

Incentive detail: New/expanding industry tax abatement available for DC construction.

Site location

◆ Loading map…
≥ 7560–7540–60≤ 40
This site + 8 nearby

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Full DC Readiness breakdown

All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.

Power availability20%
30
Speed to power20%
45
Fiber connectivity12%
74
Energy cost10%
50
Water risk7%
56
Natural hazard6%
88
Buildability7%
50
Labor market4%
50
DC cluster4%
10
Land / acreage3%
63
Construction cost3%
50
Gas pipeline2%
10
Tax incentive1%
100
Climate / cooling1%
100

Nearby comparable sites

Other scored datacenter candidate sites in Liberty County, ranked by DC Readiness.

Sites near Lower Marias (P-S)
SiteTypeVoltageCapacityQueue waitScore
TIBER TAPSubstation-Adjacent115 kV100 MW3.3 yrs57.8
UNKNOWN201537Substation-Adjacent115 kV100 MW3.3 yrs56.9
TAP208208Substation-Adjacent69 kV50 MW3.3 yrs55.9
UNKNOWN208210Substation-Adjacent69 kV50 MW3.3 yrs55.9
UNKNOWN208207Substation-Adjacent69 kV50 MW3.3 yrs55.8
UNKNOWN208163Substation-Adjacent69 kV50 MW3.3 yrs55.4
UNKNOWN208201Substation-Adjacent69 kV50 MW3.3 yrs54.4
UNKNOWN208212Substation-Adjacent69 kV50 MW3.3 yrs54.3

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.

Go deeper than the public screen

This page shows a public slice of the GridCensus dataset for Lower Marias (P-S), Liberty County. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.