SAMARIA
Substation-AdjacentJOHNSON, Indiana · MISO
At a glance
SAMARIA is a substation-adjacent datacenter candidate site in JOHNSON, Indiana, scoring 57.1/100 DC Readiness — 13th of 99 scored sites in the county. Its nearest substation is SAMARIA (0 mi, 69 kV). It sits in the MISO grid region and the DUKE ENERGY INDIANA, LLC service territory, where interconnection has averaged 3.0 years from request to operation. GridCensus catalogs 50 MW of candidate capacity here.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: Sales tax exemption on DC equipment for $750M+/$400M+ investments; EDGE credits up to 100% of payroll taxes.
Site location
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How does SAMARIA compare with other sites in JOHNSON?
SAMARIA ranks 13th of 99 scored candidate sites in JOHNSON. Its 57.1/100 is roughly in line with the county average of 55.2. It is roughly in line with the Indiana average of 54.0 and roughly in line with the national average of 53.2.
Against the Indiana average, its strongest sub-score is power availability (46 vs 33) and its weakest is water (90 vs 90). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is SAMARIA to power, fiber and other datacenters?
The nearest mapped substation, SAMARIA, is about 0 miles away and operates at 69 kV. The nearest located transmission bottleneck is CIN23031_DRESSER_DRESS08ALE13_2_1 (MISO), 69 miles away. For connectivity, the nearest internet exchange facility is DartPoints Columbus, IN - CLU1 at 21.1 miles. 12 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is DartPoints Columbus, IN - CLU1, 21.1 miles away.
What are the flood, water and hazard risks at SAMARIA?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk). At the county level, FEMA's National Risk Index rates JOHNSON "Relatively Moderate".
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 JOHNSON, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN125074 | Substation-Adjacent | 345 kV | 600 MW | 3.0 yrs | 67.3 |
| UNKNOWN125098 | Substation-Adjacent | 230 kV | 300 MW | 3.0 yrs | 64.8 |
| FRANKLIN | Substation-Adjacent | 230 kV | 300 MW | 3.0 yrs | 64.0 |
| UNKNOWN128114 | Substation-Adjacent | 230 kV | 300 MW | 3.0 yrs | 63.7 |
| UNKNOWN160263 | Substation-Adjacent | 138 kV | 100 MW | 3.0 yrs | 61.5 |
| EC Near Orme Park Water Treatment Plant | Greenfield | — | — | 3.0 yrs | 61.3 |
| UNKNOWN125073 | Substation-Adjacent | 138 kV | 100 MW | 3.0 yrs | 61.3 |
| EC Near Orme Park Water Treatment Plant | Greenfield | — | — | 3.0 yrs | 60.7 |
SAMARIA: common questions
What is the DC Readiness score of SAMARIA?
SAMARIA scores 57.1/100 on the GridCensus DC Readiness scale, rated good. It ranks 13th of 99 scored sites in JOHNSON. The JOHNSON average is 55.2 and the Indiana average is 54.0.
What is the nearest substation to SAMARIA?
The nearest mapped substation is SAMARIA, about 0 miles away, at 69 kV. GridCensus catalogs 50 MW of candidate capacity for the site.
Which electric utility serves SAMARIA?
DUKE ENERGY INDIANA, LLC (investor owned) holds the retail service territory that contains the site; its holding company is DUKE ENERGY CORP.
What grid region is SAMARIA in?
SAMARIA is in the MISO region. Projects interconnecting there have averaged a 3.0-year wait from queue request to operation.
Is SAMARIA in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
How far is SAMARIA from an internet exchange?
The nearest internet exchange facility is DartPoints Columbus, IN - CLU1, about 21.1 miles away; 12 fiber providers report service at the location.
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, “SAMARIA, JOHNSON, IN”, https://gridcensus.com/datacenter-sites/indiana/johnson/samaria-1983db17 (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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