Microsoft Heath Data Center

Under Construction

Profile scope: Campus
Address: 975 Thornwood Dr, Heath, OH
Operator: Microsoft
Owner: Microsoft

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Microsoft Heath Data Center

Under Construction

Profile scope: Campus
Address: 975 Thornwood Dr, Heath, OH
Operator: Microsoft
Owner: Microsoft

The Microsoft Heath Data Center is a planned five-building campus on about 227 acres west of Thornwood Drive in Heath, Licking County, Ohio. A groundbreaking was held in February 2026, and site preparation and grading continue, with a timeline for vertical construction not yet set. Microsoft owns the parcel and Ames Construction is the general contractor. Substation work is expected, but the serving utility, voltage and any megawatt figure are not stated in public records reviewed. The city agreements include a payment in lieu of taxes and a water line upgrade paid by Microsoft.

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Overview

Campus power: Not disclosed; No exact-site MW figure in cited sources.
Status: Under Construction; Under Construction
IT floor area: Not disclosed; Campus
Cooling design: Reported; Direct evaporative cooling that uses water for cooling only 5% of the year, per Microsoft for its Ohio AI datacenters

Project scope: Five planned buildings of 250,000 sq ft each, per the city agreements reported in January 2025
Power and grid: No exact-site power capacity has been disclosed. PJM is the reported grid context; the utility and interconnection remain undisclosed.
Cooling and environment: Direct evaporative cooling that uses water for cooling only 5% of the year, per Microsoft for its Ohio AI datacenters.

Planned buildings

Five planned buildings of 250,000 sq ft each, per the city agreements reported in January 2025

Power and grid

ISO / RTO: PJM
Substation: Substation work expected to begin on the site; name and voltage not stated
Backup generation: Ohio datacenters designed for backup generators powered by a renewable biofuel

Facility and development

Cooling systems: Direct evaporative cooling that uses water for cooling only 5% of the year, per Microsoft for its Ohio AI datacenters
Tax abatements: 100% property tax abatement on improvements for 15 years, paired with a payment in lieu of taxes agreement with the City of Heath · Ohio Tax Credit Authority approval of a 100% data center tax exemption for 15 years for a Microsoft project in New Albany, Heath and Hebron
Utility agreements: Water line along Irving Wick expanded from 8 to 12 inches, paid by Microsoft