Meta DeKalb Data Center
800 MW AI data center in DeKalb, IL, United States: operational.
- Capacity: 800 MW
- Location: DeKalb, IL, United States
- Developer: Meta
- Status: operational
- Estimated cost: $1B
- Energy source: Grid (ComEd) with renewable energy agreements
Meta DeKalb Data Center is a 800 MW AI data center project located in DeKalb, IL, United States, currently operational. It is being built by Meta. The estimated build cost is $1B. The site is grid-powered ((ComEd) with renewable energy agreements). This project is one of thousands of data-center facilities tracked by Data Center Index across IL, United States, covering operational, under-construction, announced, and permitted sites.
Project description
Meta has been building its Cortland, Illinois campus since 2024. The 800 MW site is for training the Llama model family and runs on ComEd grid power, with renewable agreements layered on top.
Public companies linked to Meta DeKalb Data Center
Developers, tenants, and suppliers tracked by Data Center Index with exposure to this project:
- Meta Platforms (META), developer · hyperscaler
Related data center projects
- Meta Hyperion, 5 GW, Holly Ridge, LA, United States · under construction
- Meta–Vistra Nuclear Uprate Agreement (OH/PA), 2.1 GW, Perry, OH, United States · announced
- Meta Lebanon Data Center (Project Domino), 1 GW, Lebanon, IN, United States · under construction
- Meta El Paso, 1 GW, El Paso, TX, United States · under construction
- Meta Prometheus, 1 GW, New Albany, OH, United States · operational
- Meta-TerraPower Natrium Power Agreement, 690 MW, United States · announced
- Meta Altoona, Iowa AI Data Center Campus, 350 MW, Altoona, IA, United States · operational
- Meta Luleå, Sweden AI Data Center Campus, 300 MW, Luleå, Sweden · operational
Frequently asked questions
- What is Meta DeKalb Data Center?
- Meta DeKalb Data Center is an AI data center project in DeKalb, Illinois tracked by Data Center Index. Its status is operational.
- Where is Meta DeKalb Data Center?
- Meta DeKalb Data Center is in DeKalb, Illinois. Every tracked Illinois campus, with counts and capacity, is at https://datacenterindex.ai/markets/illinois.
- How big is Meta DeKalb Data Center?
- Data Center Index tracks Meta DeKalb Data Center at 800 MW, on an estimated $1B build. That capacity is an estimate. We modeled or inferred it, and no source states it.
- Who is building Meta DeKalb Data Center?
- Meta is developing Meta DeKalb Data Center.
- Which public companies are linked to Meta DeKalb Data Center?
- Data Center Index links 1 tracked public company to Meta DeKalb Data Center: Meta Platforms (META). Each is a developer, tenant or supplier with a sourced link to the project.
Sources
- AI Data Center Index facility profile: Meta Cortland Illinois Ai Training Campus (aidci · aggregator · 2026-04-29)
- City of DeKalb (cityofdekalb.com · press · 2022-04-27)
- DeKalb Data Center info sheet (datacenters.atmeta.com · press · 2026-09-02)
- Office of the Governor of Illinois (gov.illinois.gov · press · 2023-11-29)
- FOX 32 Chicago (fox32chicago.com · press · 2026-09-12)