EC Near Meramec
GreenfieldSt. Louis County, Missouri · MISO
At a glance
EC Near Meramec is a greenfield datacenter candidate site in St. Louis County, Missouri, scoring 58.5/100 DC Readiness — 32nd of 363 scored sites in the county. It sits in the MISO grid region and the AMEREN ILLINOIS COMPANY service territory, where interconnection has averaged 4.3 years from request to operation.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: Qualified data center sales tax exemption (2019 law); state income tax credits.
Site location
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How does EC Near Meramec compare with other sites in St. Louis County?
EC Near Meramec ranks 32nd of 363 scored candidate sites in St. Louis County. Its 58.5/100 is roughly in line with the county average of 55.7. It is roughly in line with the Missouri average of 55.7 and roughly in line with the national average of 53.2.
Against the Missouri average, its strongest sub-score is fiber connectivity (87 vs 76) 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 EC Near Meramec to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is Cogent St Louis at 11.1 miles. 9 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is TierPoint St Louis, 11.5 miles away.
What are the flood, water and hazard risks at EC Near Meramec?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk). WRI rates baseline water stress at 0.60 on a 0–5 scale. No mapped wetlands are recorded on the parcel. At the county level, FEMA's National Risk Index rates St. Louis County "Relatively High".
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 St. Louis County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| MASON | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 67.3 |
| UNKNOWN117706 | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 66.2 |
| TYSON | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 66.1 |
| EC Near Howard Bend | Greenfield | — | — | 4.3 yrs | 64.7 |
| OZ St. Louis | Greenfield | — | — | 4.3 yrs | 63.9 |
| OZ St. Louis | Greenfield | — | — | 4.3 yrs | 63.7 |
| OZ St. Louis | Greenfield | — | — | 4.3 yrs | 63.4 |
| OZ St. Louis | Greenfield | — | — | 4.3 yrs | 63.1 |
EC Near Meramec: common questions
What is the DC Readiness score of EC Near Meramec?
EC Near Meramec scores 58.5/100 on the GridCensus DC Readiness scale, rated good. It ranks 32nd of 363 scored sites in St. Louis County. The St. Louis County average is 55.7 and the Missouri average is 55.7.
Which electric utility serves EC Near Meramec?
AMEREN ILLINOIS COMPANY (investor owned) holds the retail service territory that contains the site.
What grid region is EC Near Meramec in?
EC Near Meramec is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
Is EC Near Meramec in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
Who owns EC Near Meramec?
Parcel records list the owner as UNION ELECTRIC CO - (MO) (private land).
How far is EC Near Meramec from an internet exchange?
The nearest internet exchange facility is Cogent St Louis, about 11.1 miles away; 9 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, “EC Near Meramec, St. Louis County, MO”, https://gridcensus.com/datacenter-sites/missouri/st-louis-county/ec-near-meramec-a62abcca (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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