Amazon Web Services data center campus in Ridgeland (Costas property)
Also called: AWS Ridgeland campus, Amazon Costas campus
Amazon is building a second data center campus in Ridgeland, west of Tougaloo College. In 2026 it announced $11 billion more for this expansion. Amazon says the campus will use about 93 million gallons of groundwater a year, and its Madison County sites will have more than 800 diesel backup generators.
Where things stand: Under construction. In April 2026 Amazon added an $11 billion expansion in Madison County centered on Ridgeland.
🕒 Latest update (April 9, 2026): Gov. Reeves announced an $11 billion AWS expansion in Madison County with 700 jobs, helped by the City of Ridgeland.
What we know
- 📍 WhereCostas property west of Tougaloo College, near County Line Road, Ridgeland, Madison County
- 🏢 CompanyAmazon Web Services
- 🏛️ Owned byAmazon
- 👤 Built forAmazon Web Services
- 🌳 Size700 acres
- 🔌 Where the power comes fromEntergy Mississippi
- 💧 WaterGroundwater (Amazon estimate: about 93 million gallons a year when finished)
- ❄️ CoolingMostly air cooling; Amazon says it uses groundwater for cooling about 30 days a year.
- 💵 Cost$11 billion
- 👷 Jobs promised700
❓ Still unanswered
Nobody has answered these in public yet. Can you help find out?
- How many buildings will the Ridgeland campus have when finished? 🙋 I'll find out
- How many of the 800+ diesel generators are at the Ridgeland site? 🙋 I'll find out
- Will pumping groundwater affect nearby wells? 🙋 I'll find out
What happened so far
- Feb 26, 2024Madison County supervisors approved the AWS site plan, covering the Mega Site and about 700 acres near Tougaloo College.
- April 9, 2026Gov. Reeves announced an $11 billion AWS expansion in Madison County with 700 jobs, helped by the City of Ridgeland.
Local votes and rules
📜 Data center rules
Ridgeland changed its zoning rules in April 2026 to better control data centers, including how far one can be from homes. Amazon's campus in Ridgeland was already being built. The exact numbers were not published in the news.
🗺️ Zoning change
Ordinance 2023-09 added data centers, and the equipment around them like backup generators and transformers, as allowed uses in the Technical Industrial Park District. The goal was to promote building along Highland Colony Parkway. Vote was 6-0 with one absent.
An aerial photo of the area.
Where this comes from
- Board of Supervisors approves site plan for Amazon Web Services · WLBT · Feb 26, 2024
- Amazon continues Mississippi expansion, announcing plans to invest a total of $25 billion across the Magnolia State · Office of Governor Tate Reeves · April 9, 2026
- Amazon is expanding data centers in central Mississippi, governor announces · Mississippi Free Press · April 9, 2026
- Amazon announces plans to expand in Magnolia State with $12B investment · Vicksburg Daily News · April 2026
See something wrong? Tell us and we'll fix it.