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Gridcensus

Benton, Tennessee · SERC

DC Readiness
71.8
Excellent / 100

At a glance

JOHNSONVILLE is a substation-adjacent datacenter candidate site in Benton, Tennessee, scoring 71.8/100 DC Readiness — 1st of 23 scored sites in the county. Its nearest substation is JOHNSONVILLE (0 mi, 500 kV). It sits in the SERC grid region and the MERIWETHER LEWIS ELECTRIC COOP service territory, where interconnection has averaged 3.9 years from request to operation. GridCensus catalogs 1,000 MW of candidate capacity here.

Power & interconnection

Nearest substationJOHNSONVILLE
Substation distance0.0 mi
Substation voltage500 kV
Available capacity1,000 MW
UtilityMERIWETHER LEWIS ELECTRIC COOPcooperativefavorable to large load · state default

Speed to power

Interconnection outlookModerate
≈ 4.7 yrs typical interconnection wait

Middle-of-the-pack interconnection conditions for this grid.

ISO / RTO regionSERC
Queue depth1
Avg queue wait3.9 yrs
Recent queue wait4.7 yrs
Completion rate15%
Withdrawal rate85%

Connectivity

Nearest IXPTierPoint Nashville
IXP distance63.3 mi
Fiber providers5
Fiber coverage77.6%

Site characteristics

Former usecoal
Existing capacity1,485 MW
Retirement date2017-12-01

Risk & environment

Environmental constraintNone (0/100)
Water stress (WRI)Low
Wetlands (NWI)—
Critical habitat—
Superfund nearby—
Hazard sub-score62/100

Location context

Nearest datacenterNewrays Two LLC Mining
DC distance28.2 mi
County hazard (FEMA NRI)Relatively High (38)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity12.28¢/kWh
Industrial electricity6.60¢/kWh
Cooling degree days1,600
Heating degree days3,600
Land price / acre$3,196

Regulatory climate

Favorablestate posture · as of 2026-08

TVA territory, DC-friendly; fast vertically-integrated interconnection.

DC tax incentiveYes
Large-load threshold≥ 50 MW

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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≥ 7560–7540–60≤ 40
This site + 8 nearby

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How does JOHNSONVILLE compare with other sites in Benton?

JOHNSONVILLE ranks 1st of 23 scored candidate sites in Benton. Its 71.8/100 is about 24% above the county average of 57.9. It is about 26% above the Tennessee average of 57.0 and about 35% above the national average of 53.2.

Against the Tennessee average, its strongest sub-score is power availability (100 vs 42) and its weakest is fiber connectivity (72 vs 73). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.

How close is JOHNSONVILLE to power, fiber and other datacenters?

The nearest mapped substation, JOHNSONVILLE, is about 0 miles away and operates at 500 kV. For connectivity, the nearest internet exchange facility is TierPoint Nashville at 63.3 miles. 5 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Newrays Two LLC Mining, 28.2 miles away.

What are the flood, water and hazard risks at JOHNSONVILLE?

At the county level, FEMA's National Risk Index rates Benton "Relatively High".

Full DC Readiness breakdown

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

Power availability20%
100
Speed to power20%
75
Fiber connectivity12%
72
Energy cost10%
50
Water risk7%
90
Natural hazard6%
62
Buildability7%
60
Labor market4%
50
DC cluster4%
60
Land / acreage3%
47
Construction cost3%
50
Gas pipeline2%
10
Tax incentive1%
100
Climate / cooling1%
45

Nearby comparable sites

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

Sites near JOHNSONVILLE
SiteTypeVoltageCapacityQueue waitScore
Greenfield (JOHNSONVILLE - GLEASON)Greenfield500 kV1,000 MW3.9 yrs62.0
UNKNOWN170451Substation-Adjacent161 kV100 MW3.9 yrs60.5
TAP152210Substation-Adjacent161 kV100 MW3.9 yrs60.5
DRY CREEK PRIMARYSubstation-Adjacent161 kV100 MW3.9 yrs60.5
TAP152211Substation-Adjacent161 kV100 MW3.9 yrs60.5
HUSTBURGSubstation-Adjacent161 kV100 MW3.9 yrs60.5
UNKNOWN120882Substation-Adjacent161 kV100 MW3.9 yrs60.5
TAP170305Substation-Adjacent161 kV100 MW3.9 yrs60.4

JOHNSONVILLE: common questions

What is the DC Readiness score of JOHNSONVILLE?

JOHNSONVILLE scores 71.8/100 on the GridCensus DC Readiness scale, rated excellent. It ranks 1st of 23 scored sites in Benton. The Benton average is 57.9 and the Tennessee average is 57.0.

What is the nearest substation to JOHNSONVILLE?

The nearest mapped substation is JOHNSONVILLE, about 0 miles away, at 500 kV. GridCensus catalogs 1,000 MW of candidate capacity for the site.

Which electric utility serves JOHNSONVILLE?

MERIWETHER LEWIS ELECTRIC COOP (cooperative) holds the retail service territory that contains the site.

What grid region is JOHNSONVILLE in?

JOHNSONVILLE is in the SERC region. Projects interconnecting there have averaged a 3.9-year wait from queue request to operation.

How far is JOHNSONVILLE from an internet exchange?

The nearest internet exchange facility is TierPoint Nashville, about 63.3 miles away; 5 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, “JOHNSONVILLE, Benton, TN”, https://gridcensus.com/datacenter-sites/tennessee/benton/johnsonville-7875d34c (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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