MIDDLEBROOK
Substation-AdjacentKnox County, Tennessee · SERC
At a glance
MIDDLEBROOK is a substation-adjacent datacenter candidate site in Knox County, Tennessee, scoring 61.5/100 DC Readiness — 33rd of 122 scored sites in the county. Its nearest substation is MIDDLEBROOK (0 mi, 69 kV). It sits in the SERC grid region and the KNOXVILLE UTILITIES BOARD service territory, where interconnection has averaged 3.9 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
Site characteristics
Risk & environment
Location context
Regulatory climate
TVA territory, DC-friendly; fast vertically-integrated interconnection.
TVA infrastructure-cost provisions apply to very large loads.
Incentive detail: Sales tax exemption on DC equipment for $250M+ investments; no state income tax on wages.
Site location
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How does MIDDLEBROOK compare with other sites in Knox County?
MIDDLEBROOK ranks 33rd of 122 scored candidate sites in Knox County. Its 61.5/100 is roughly in line with the county average of 60.3. It is roughly in line with the Tennessee average of 57.0 and about 16% above the national average of 53.2.
Against the Tennessee average, its strongest sub-score is fiber connectivity (97 vs 73) and its weakest is water (90 vs 89). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is MIDDLEBROOK to power, fiber and other datacenters?
The nearest mapped substation, MIDDLEBROOK, is about 0 miles away and operates at 69 kV. For connectivity, the nearest internet exchange facility is Peace Communications KNX1 at 3.8 miles. 11 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Peace Communications KNX1, 3.8 miles away.
What are the flood, water and hazard risks at MIDDLEBROOK?
At the county level, FEMA's National Risk Index rates Knox 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 Knox County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| VOLUNTEER | Substation-Adjacent | 500 kV | 1,000 MW | 3.9 yrs | 71.5 |
| OZ Knox | Greenfield | — | — | 3.9 yrs | 67.1 |
| OZ Knox | Greenfield | — | — | 3.9 yrs | 66.7 |
| OZ Knox | Greenfield | — | — | 3.9 yrs | 65.1 |
| LONSDALE | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 64.6 |
| OZ Knox | Greenfield | — | — | 3.9 yrs | 64.5 |
| KNOX | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 64.1 |
| TAP155233 | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 64.1 |
MIDDLEBROOK: common questions
What is the DC Readiness score of MIDDLEBROOK?
MIDDLEBROOK scores 61.5/100 on the GridCensus DC Readiness scale, rated good. It ranks 33rd of 122 scored sites in Knox County. The Knox County average is 60.3 and the Tennessee average is 57.0.
What is the nearest substation to MIDDLEBROOK?
The nearest mapped substation is MIDDLEBROOK, about 0 miles away, at 69 kV. GridCensus catalogs 50 MW of candidate capacity for the site.
Which electric utility serves MIDDLEBROOK?
KNOXVILLE UTILITIES BOARD (municipal) holds the retail service territory that contains the site.
What grid region is MIDDLEBROOK in?
MIDDLEBROOK is in the SERC region. Projects interconnecting there have averaged a 3.9-year wait from queue request to operation.
How far is MIDDLEBROOK from an internet exchange?
The nearest internet exchange facility is Peace Communications KNX1, about 3.8 miles away; 11 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, “MIDDLEBROOK, Knox County, TN”, https://gridcensus.com/datacenter-sites/tennessee/knox-county/middlebrook-c0d45fde (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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