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Gridcensus

Datacenter Sites in Tennessee

Tennessee has 2,190 scored datacenter candidate sites averaging 57.0/100 DC Readiness. Substation-Adjacent parcels lead the inventory (886 sites). Most sites interconnect through SERC. The state's candidate sites carry a catalogued aggregate of 133.3k MW and average a 4.0 yrs interconnection-queue wait.

At a glance

Tennessee has 2,190 scored datacenter candidate sites, the 30th-most of the 50 states, DC and Puerto Rico, averaging 57.0/100 DC Readiness against a national average of 53.0. Its average score ranks 4th among states. The state also has 47 operating datacenters and 20 internet exchange facilities on record.

2,190
Candidate sites
57.0/100
Avg DC Readiness
133.3k MW
Catalogued capacity
theoretical aggregate
4.0 yrs
Avg queue wait
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≥ 7560–7540–60≤ 40
Top 25 in Tennessee

How does Tennessee compare with other states for datacenter sites?

By number of scored candidate sites, Tennessee ranks 30th of the 50 states, DC and Puerto Rico (2,190 of 147,272 nationally, 1.5%). Its average DC Readiness of 57.0/100 ranks 4th and is roughly in line with the national average of 53.0. The average interconnection-queue wait at its sites, 4.0-year, is the 17th-shortest of the group (national 4.2-year).

Across the five headline sub-scores, Tennessee is strongest relative to the nation on water (89.4 vs 72.3 nationally) and weakest on natural hazard (61.2 vs 66.8). Power and speed to power carry 20% of the score each, fiber 12%, water 7% and hazard 6%.

Which counties in Tennessee have the most datacenter sites?

Campbell County (137 sites, average 52.5), Knox County (122 sites, average 60.3), and Cumberland County (87 sites, average 53.9) hold the largest inventories. Together the top 3 account for 16% of the state's scored sites. Williamson County has the highest average score among counties with at least 10 sites (63.6/100). 87 counties have five or more scored sites and their own county page.

What kinds of sites and grid regions are in Tennessee?

Substation-Adjacent parcels are the largest category (886, 40%), followed by former mine (661) and greenfield (341). Sites span 4 grid regions; SERC covers 95% of them.

By site type

By grid region

Average sub-score profile

How Tennessee's candidate sites score on each DC Readiness dimension (0–100 average).

Power availability
41.8
Speed-to-power
57.6
Fiber
73.1
Water
89.4
Hazard resilience
61.2

Top 25 datacenter sites in Tennessee

Ranked by DC Readiness.

Top datacenter sites in Tennessee
SiteTypeCountyVoltageCapacityQueue waitScore
PIN HOOKSubstation-AdjacentDavidson County500 kV1,000 MW3.9 yrs72.8
BULL RUNSubstation-AdjacentAnderson County500 kV1,000 MW3.9 yrs72.2
RACCOON MOUNTAINSubstation-AdjacentHamilton County500 kV1,000 MW3.9 yrs72.0
JOHNSONVILLESubstation-AdjacentBenton County500 kV1,000 MW3.9 yrs71.8
FREEPORTSubstation-AdjacentDeSoto County500 kV1,000 MW3.9 yrs71.8
VOLUNTEERSubstation-AdjacentKnox County500 kV1,000 MW3.9 yrs71.5
MONTGOMERYSubstation-AdjacentMontgomery County500 kV1,000 MW3.9 yrs71.4
WILSONSubstation-AdjacentWilson County500 kV1,000 MW3.9 yrs71.4
DAVIDSONSubstation-AdjacentWilliamson County500 kV1,000 MW3.9 yrs71.3
SHELBYSubstation-AdjacentTipton County500 kV1,000 MW3.9 yrs71.3
CORDOVASubstation-AdjacentShelby County500 kV1,000 MW3.9 yrs71.2
RUTHERFORDSubstation-AdjacentRutherford County500 kV1,000 MW3.9 yrs71.0
UNKNOWN115420Substation-AdjacentHamilton County500 kV1,000 MW3.9 yrs69.9
TAP155407Substation-AdjacentBradley County500 kV1,000 MW3.9 yrs69.6
UNKNOWN115540Substation-AdjacentRoane County500 kV1,000 MW3.9 yrs69.5
MAURYSubstation-AdjacentMaury County500 kV1,000 MW3.9 yrs69.3
Music City SolarBrownfieldDavidson—2 MW3.9 yrs69.3
CUMBERLAND 500KVSubstation-AdjacentHouston County500 kV1,000 MW3.9 yrs68.8
WEAKLEYSubstation-AdjacentWeakley County500 kV1,000 MW3.9 yrs68.4
GLEASONSubstation-AdjacentWeakley County500 kV1,000 MW3.9 yrs68.3
UNKNOWN115609Substation-AdjacentCrittenden County500 kV1,000 MW3.9 yrs68.3
JACKSONSubstation-AdjacentMadison County500 kV1,000 MW3.9 yrs68.0
OZ HamiltonGreenfieldHamilton——3.9 yrs67.8
UNKNOWN170313Substation-AdjacentBradley County500 kV1,000 MW3.9 yrs67.7
FRANKLINSubstation-AdjacentCoffee County500 kV1,000 MW3.9 yrs67.4

Counties in Tennessee

87 counties with five or more scored sites.

Campbell County137 · 52.5Knox County122 · 60.3Cumberland County87 · 53.9Anderson County81 · 57.0Davidson County79 · 62.2Shelby75 · 61.2Scott County74 · 54.2Claiborne County69 · 54.4Hamilton County66 · 60.2Bledsoe County51 · 53.6Rutherford40 · 61.6Washington County39 · 52.2Marion38 · 55.9Fentress County36 · 53.1Sullivan County36 · 52.3Morgan County34 · 56.3Greene County33 · 56.4Roane County33 · 58.8Hawkins31 · 54.9Madison County31 · 59.1Montgomery County30 · 61.0Rhea County30 · 54.7Loudon County29 · 60.9Putnam County28 · 56.5Obion County27 · 56.6Sequatchie County25 · 54.1Benton23 · 57.9Maury County22 · 58.7Wilson County22 · 61.7Bradley County21 · 59.4McMinn County21 · 55.7Williamson County21 · 63.6Fayette County20 · 61.0Grundy County20 · 54.1Hardin County20 · 52.9Humphreys20 · 57.7Robertson County20 · 60.6Weakley County20 · 58.0Carter County18 · 56.4Franklin County18 · 58.1Gibson18 · 57.8Coffee County17 · 57.1Lauderdale County17 · 57.4Sumner County17 · 62.2Blount County16 · 59.5Carroll County16 · 56.3Tipton County15 · 61.3Cocke14 · 55.9Haywood County14 · 59.3Union County14 · 59.1Grainger County13 · 55.9Henry County13 · 57.7Van Buren County13 · 53.0Cheatham County12 · 60.9Dickson County12 · 58.4Dyer County12 · 58.1Marshall County12 · 57.4Meigs County12 · 59.2Sevier County12 · 58.4Smith County12 · 57.1Hamblen County11 · 60.4Hardeman11 · 58.3Lawrence County11 · 57.0Monroe County11 · 56.0Overton County11 · 54.7Henderson County10 · 55.9Jefferson County10 · 57.5McNairy County10 · 55.5Warren County10 · 59.3Polk County9 · 55.7Giles County8 · 56.7Lincoln County8 · 58.0Trousdale County8 · 59.1White County8 · 55.4Hickman County7 · 58.8Johnson County7 · 55.1Bedford County6 · 59.8Decatur County6 · 53.0Jackson County6 · 55.2Clay County5 · 54.6DeKalb County5 · 56.7Hancock County5 · 57.6Moore County5 · 56.7Perry County5 · 53.0Pickett County5 · 52.5Unicoi County5 · 58.1Wayne County5 · 55.2

Sites in Tennessee counties with fewer than five sites

26 scored sites sit in counties too small for a county page of their own.

Operating datacenters in Tennessee

47 operating datacenter facilities in Tennessee are on record, the 15th-most of any state. Memphis has the largest cluster (9 facilities). The operators with the most facilities here are xAI (5), Meta (4), Google (4). Footprints are recorded for 20 of them, totalling about 50.6 million square feet.

Nashville (9)

Franklin (3)

Chattanooga (2)

Clarksville (2)

Brentwood (1)

Knoxville (1)

Internet exchange and peering facilities in Tennessee

20 peering and colocation facilities in Tennessee are listed in PeeringDB. Nashville has the most (9). The best-connected facility hosts 22 networks; the median facility in the state hosts 3 networks.

Memphis (4)

Chattanooga (2)

Knoxville (1)

Tennessee datacenter site selection FAQ

How many datacenter sites are in Tennessee?

GridCensus catalogs 2,190 scored datacenter candidate sites in Tennessee, with an average DC Readiness score of 57.0/100. That is the 30th-largest inventory of the 50 states, DC and Puerto Rico.

How many operating datacenters are in Tennessee?

47 operating datacenter facilities in Tennessee are on record, the 15th-most of any state. Memphis has the most (9). xAI operates the most facilities in the state (5).

What is the average interconnection-queue wait in Tennessee?

Candidate sites in Tennessee average a 4.0-year interconnection-queue wait, with an average queue depth of 4 projects. The national average across all scored sites is 4.2-year, and Tennessee has the 17th-shortest average wait of the 50 states, DC and Puerto Rico.

Which county in Tennessee has the most datacenter sites?

Campbell County has the most scored candidate sites in Tennessee (137), followed by Knox County (122) and Cumberland County (87). Among counties with at least 10 sites, Williamson County has the highest average DC Readiness (63.6/100).

What kind of datacenter sites are most common in Tennessee?

Substation-Adjacent sites are the most common category in Tennessee (886 sites, 40% of the inventory), and most sites fall within the SERC grid region.

How many internet exchange facilities are in Tennessee?

20 peering and colocation facilities listed in PeeringDB are in Tennessee. Nashville has the most (9). The best-connected one hosts 22 networks.

Looking for a specific record? The directory lists every scored datacenter site in Tennessee, A to Z.

More Tennessee infrastructure

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 November 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “Datacenter candidate sites in Tennessee”, https://gridcensus.com/datacenter-sites/tennessee (data as of November 12, 2026).

Dataset updated . Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for Tennessee is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.

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