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Gridcensus

Datacenter Sites in Ohio

Ohio has 3,933 scored datacenter candidate sites averaging 53.2/100 DC Readiness. Industrial parcels lead the inventory (1,387 sites). Most sites interconnect through PJM. The state's candidate sites carry a catalogued aggregate of 148.9k MW and average a 5.2 yrs interconnection-queue wait.

At a glance

Ohio has 3,933 scored datacenter candidate sites, the 10th-most of the 50 states, DC and Puerto Rico, averaging 53.2/100 DC Readiness against a national average of 53.0. Its average score ranks 30th among states. The state also has 127 operating datacenters and 60 internet exchange facilities on record.

3,933
Candidate sites
53.2/100
Avg DC Readiness
148.9k MW
Catalogued capacity
theoretical aggregate
5.2 yrs
Avg queue wait
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≥ 7560–7540–60≤ 40
Top 25 in Ohio

How does Ohio compare with other states for datacenter sites?

By number of scored candidate sites, Ohio ranks 10th of the 50 states, DC and Puerto Rico (3,933 of 147,272 nationally, 2.7%). Its average DC Readiness of 53.2/100 ranks 30th and is roughly in line with the national average of 53.0. The average interconnection-queue wait at its sites, 5.2-year, is the 47th-shortest of the group (national 4.2-year).

Across the five headline sub-scores, Ohio is strongest relative to the nation on water (89.6 vs 72.3 nationally) and weakest on speed to power (38.0 vs 50.0). Power and speed to power carry 20% of the score each, fiber 12%, water 7% and hazard 6%.

Which counties in Ohio have the most datacenter sites?

Cuyahoga County (348 sites, average 55.2), Lucas County (221 sites, average 53.8), and Hamilton County (177 sites, average 56.7) hold the largest inventories. Together the top 3 account for 19% of the state's scored sites. Warren County has the highest average score among counties with at least 10 sites (58.4/100). 85 counties have five or more scored sites and their own county page.

What kinds of sites and grid regions are in Ohio?

Industrial parcels are the largest category (1,387, 35%), followed by former mine (925) and substation-adjacent (835). Sites span 3 grid regions; PJM covers 100% of them.

By site type

By grid region

Average sub-score profile

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

Power availability
36.5
Speed-to-power
38.0
Fiber
72.2
Water
89.6
Hazard resilience
68.7

Top 25 datacenter sites in Ohio

Ranked by DC Readiness.

Top datacenter sites in Ohio
SiteTypeCountyVoltageCapacityQueue waitScore
PIERCESubstation-AdjacentCampbell County345 kV600 MW5.2 yrs70.2
UNKNOWN113613Substation-AdjacentLucas County345 kV600 MW5.2 yrs69.3
CORRIDORSubstation-AdjacentDelaware County765 kV1,000 MW5.2 yrs68.3
MIAMISubstation-AdjacentDearborn County345 kV600 MW5.2 yrs68.3
Brooklyn Landfill SolarBrownfieldCuyahoga345 kV4 MW5.2 yrs68.0
UNKNOWN113763Substation-AdjacentHamilton County345 kV600 MW5.2 yrs67.3
SOUTH CANTON 765KVSubstation-AdjacentStark County765 kV1,000 MW5.2 yrs67.1
Medical Center Company SolarBrownfieldCuyahoga—1 MW5.2 yrs66.8
FOXSubstation-AdjacentCuyahoga County345 kV600 MW5.2 yrs66.6
UNKNOWN113660Substation-AdjacentCuyahoga County345 kV600 MW5.2 yrs66.5
UNKNOWN113596Substation-AdjacentWood County345 kV600 MW5.2 yrs66.4
UNKNOWN113618Substation-AdjacentHamilton County345 kV600 MW5.2 yrs66.4
UNKNOWN113672Substation-AdjacentHamilton County345 kV600 MW5.2 yrs66.3
PORT UNION SUBSTATIONSubstation-AdjacentButler County345 kV600 MW5.2 yrs66.0
SOUTH EAST CANTONSubstation-AdjacentStark County345 kV600 MW5.2 yrs65.9
TAP137572Substation-AdjacentWarren County345 kV600 MW5.2 yrs65.9
FOSTERSubstation-AdjacentWarren County345 kV600 MW5.2 yrs65.9
UNKNOWN151647Substation-AdjacentDelaware County765 kV1,000 MW5.2 yrs65.9
UNKNOWN113020Substation-AdjacentWarren County345 kV600 MW5.2 yrs65.8
UNKNOWN112844Substation-AdjacentWarren County345 kV600 MW5.2 yrs65.7
UNKNOWN156850Substation-AdjacentWood County345 kV600 MW5.2 yrs65.7
UNKNOWN113607Substation-AdjacentCuyahoga County345 kV600 MW5.2 yrs65.6
UNKNOWN113629Substation-AdjacentFranklin County345 kV600 MW5.2 yrs65.6
HAYDENSubstation-AdjacentFranklin County345 kV600 MW5.2 yrs65.6
Mound Plant (USDOE)BrownfieldMontgomery69 kV—5.2 yrs65.6

Counties in Ohio

85 counties with five or more scored sites.

Cuyahoga County348 · 55.2Lucas County221 · 53.8Hamilton County177 · 56.7Lorain139 · 53.5Summit County129 · 55.5Jefferson County125 · 49.2Tuscarawas County121 · 52.0Franklin County120 · 56.8Montgomery County116 · 56.4Columbiana County104 · 50.0Belmont County95 · 48.9Butler County92 · 57.2Stark County92 · 55.6Muskingum County80 · 49.1Harrison County70 · 48.4Mahoning County67 · 56.3Trumbull County66 · 56.0Coshocton County63 · 49.2Erie County61 · 52.7Perry County54 · 48.7Ashtabula County52 · 50.8Jackson50 · 51.2Licking County50 · 52.4Lake County46 · 52.4Athens County44 · 50.5Carroll County43 · 52.1Richland43 · 53.2Miami County41 · 53.4Guernsey County39 · 50.6Lawrence County39 · 48.9Ross County39 · 51.0Hancock County37 · 51.6Warren County37 · 58.4Washington37 · 50.3Greene County36 · 56.2Ottawa County36 · 52.2Wood County36 · 57.5Pickaway County35 · 53.6Medina County34 · 55.9Clark County29 · 50.9Gallia County29 · 49.8Holmes County29 · 50.0Meigs County29 · 51.2Portage County29 · 51.6Delaware County28 · 57.7Scioto County28 · 52.0Wayne County27 · 56.1Noble County25 · 50.5Darke24 · 52.9Vinton County24 · 49.6Seneca County23 · 52.2Allen County21 · 56.5Clinton County20 · 54.0Crawford20 · 51.4Clermont County19 · 57.9Hocking County19 · 49.4Morrow County18 · 52.6Pike County18 · 52.6Highland County17 · 51.7Adams County16 · 53.7Auglaize County16 · 53.2Defiance16 · 54.9Henry16 · 56.3Geauga County15 · 54.5Ashland County14 · 50.5Fairfield County14 · 53.3Fayette County14 · 53.4Huron County14 · 52.4Knox County12 · 52.6Morgan County12 · 53.8Shelby County12 · 52.7Union County12 · 56.0Monroe County11 · 52.4Van Wert County11 · 56.3Champaign County10 · 53.0Marion County9 · 55.2Preble County9 · 53.0Hardin County8 · 51.7Sandusky County8 · 54.0Brown County7 · 53.4Logan County7 · 53.3Mercer County6 · 53.7Putnam County6 · 55.4Williams County6 · 51.2Wyandot County6 · 51.2

Sites in Ohio counties with fewer than five sites

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

Operating datacenters in Ohio

127 operating datacenter facilities in Ohio are on record, the 5th-most of any state. New Albany has the largest cluster (13 facilities). The operators with the most facilities here are Amazon Web Services (39), Google (13), Meta (8). Footprints are recorded for 88 of them, totalling about 55.7 million square feet.

New Albany (13)

Cleveland (6)

Columbus (6)

Cincinnati (4)

Akron (2)

Canton (2)

Dublin (2)

Miamisburg (2)

Blueash (1)

Fairlawn (1)

Hamilton (1)

Independence (1)

Lebanon (1)

Lewis Center (1)

Luckey (1)

Mason (1)

Mayfield Heights (1)

Medina (1)

Norwood (1)

Ottoville (1)

Parma (1)

Springfield (1)

Upper Arlington (1)

West Chester (1)

Westerville (1)

Worthington (1)

Youngstown (1)

City not recorded (69)

Internet exchange and peering facilities in Ohio

60 peering and colocation facilities in Ohio are listed in PeeringDB. Columbus has the most (15). The best-connected facility hosts 29 networks; the median facility in the state hosts 1 networks.

Columbus (15)

Canton (3)

Akron (2)

Dublin (2)

Blueash (1)

Fairlawn (1)

Hamilton (1)

Independence (1)

Lebanon (1)

Lewis Center (1)

Luckey (1)

Mason (1)

Mayfield Heights (1)

Medina (1)

Norwood (1)

Ottoville (1)

Parma (1)

Upper Arlington (1)

West Chester (1)

Westerville (1)

Worthington (1)

Youngstown (1)

Ohio datacenter site selection FAQ

How many datacenter sites are in Ohio?

GridCensus catalogs 3,933 scored datacenter candidate sites in Ohio, with an average DC Readiness score of 53.2/100. That is the 10th-largest inventory of the 50 states, DC and Puerto Rico.

How many operating datacenters are in Ohio?

127 operating datacenter facilities in Ohio are on record, the 5th-most of any state. New Albany has the most (13). Amazon Web Services operates the most facilities in the state (39).

What is the average interconnection-queue wait in Ohio?

Candidate sites in Ohio average a 5.2-year interconnection-queue wait, with an average queue depth of 73 projects. The national average across all scored sites is 4.2-year, and Ohio has the 47th-shortest average wait of the 50 states, DC and Puerto Rico.

Which county in Ohio has the most datacenter sites?

Cuyahoga County has the most scored candidate sites in Ohio (348), followed by Lucas County (221) and Hamilton County (177). Among counties with at least 10 sites, Warren County has the highest average DC Readiness (58.4/100).

What kind of datacenter sites are most common in Ohio?

Industrial sites are the most common category in Ohio (1,387 sites, 35% of the inventory), and most sites fall within the PJM grid region.

How many internet exchange facilities are in Ohio?

60 peering and colocation facilities listed in PeeringDB are in Ohio. Columbus has the most (15). The best-connected one hosts 29 networks.

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

More Ohio 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 Ohio”, https://gridcensus.com/datacenter-sites/ohio (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 Ohio 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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