Amazon Data Services INC, Madison Mega Site
1978 HIGHWAY 22 · CANTON, Madison County, MS
Source: Primary source
Amazon Data Services INC, Madison Mega Site is a mapped data center in Madison County, MS, operated by Amazon.com, Inc.. DataCentersExposed has documented 341 MW of reported power capacity and 1 tracked EPA enforcement record at this site.
Reporting by Eric Keller · Updated Jun 14, 2026
Most sites are mapped — located but awaiting a second source. How we verify
Dot size = disclosed capacity (MW). Smallest = undisclosed, not small.
Overview
source: linkThe Madison Mega Site in Canton, Madison County, Mississippi, is an Amazon Data Services Inc data center operated by Amazon.com, Inc., which ultimately owns it. Operational since 2025, the site reports a power capacity of 341 MW, drawing electricity from Yazoo Valley Elec Power Assn within the MISO grid. It carries 1 tracked environmental enforcement record.
Operator chain
- Ultimate parentAmazon.com, Inc.
- Files asAmazon.com, Inc.
- This facilityAmazon Data Services INC, Madison Mega Site
The grid behind this site, right now
source: MISO · gridstatus- Wind21.6%
- Natural Gas21.4%
- Coal20.5%
- Solar18.4%
- Nuclear14.1%
- Imports2.2%
- Other1.8%
Real-time generation mix for the MISO grid this site draws from, as of Jun 16, 2026, 4:35 PM. ISO-wide, not this facility's own metering. Source: gridstatus.
In the news
source: GDELTTax breaks & subsidies
source: Good Jobs First / GASB 77These tax breaks are recorded to Amazon.com, Inc. (the operator/parent) and may cover this or other sites — no state names the recipient at the facility level.
- Texas Qualifying Large Data Center Project Exemption$0State of Texas · granted 2026 · term — yr · source
- Texas Qualifying Large Data Center Project Exemption$0State of Texas · granted 2026 · term — yr · source
- Texas Qualifying Large Data Center Project Exemption$0State of Texas · granted 2026 · term — yr · source
- Long-Term Rural Enterprise Zone (Morrow County School District 1)$16,668,806Morrow County School District 1, OR · granted 2024 · term — yr · source
Water use
No measured record exists, so this is a low-confidence model from 341 MW (disclosed IT power): 2 L/kWh cooling (hot climate) + 0.55 gal/kWh embedded in MISO grid mix. How we estimate. Have a utility document? Send it and we'll replace this with the real figure.
EPA permits & violations
source: EPA ECHO- Clean Air Actno penaltyformal · reported 2025-03-20
Environmental permits
source: Permit register- Clean Air Act permitted sourceMS0000002808900098NAICS 518210 999999; ECHO compliance status: No Violation Identified
Air quality near this site
source: AirNowAir Quality Index from the nearest AirNow reporting area (Jackson), as of 2026-06-10. Regional context — not this facility's own emissions.
Who lives nearby
source: Census ACS 2023Demographics of the census tract this facility sits in (American Community Survey 5-year estimates). Environmental-justice context for who bears the local impacts.
Nearest school
source: HIFLD / NCESThe nearest public school, Reuben B. Myers Canton School Of Ar in Canton, is 2.8 mi from this site (362 students).
Schools are sensitive receptors for the noise, backup-generator exhaust, and traffic a large data center brings. Straight-line distance to the nearest public school (HIFLD/NCES, US public schools only).
Hearings timeline
No public-hearing records linked to this site yet. We surface planning-commission and board-of-supervisors dates when a record names a facility. If you know of a hearing on this site, tell us.