# Amazon New Carlisle Data Center Campus

PJM data center · https://askthegrid.com/assets/facilities/amazon-new-carlisle-data-center-campus--grid-load-c77e63bd5c64ef21

Amazon Web Services is building a data center campus in New Carlisle, St. Joseph County, Indiana, with about 30 buildings expected and about 18 operating as of July 2026. Indiana Michigan Power serves it, and PJM and AEP filings show new 345 kV stations for a requested 1,100 MW of service. Anticipated AWS demand cited in utility regulatory testimony is 2,250 MW. A planned expansion has a stated minimum power capacity of 767 MW, and backup power is diesel generators permitted by IDEM.

## Identity and location

- Operating status: operating
- Asset scope: campus
- Location: 55001 Larrison Blvd, New Carlisle, St. Joseph County, IN
- Developer: Amazon Web Services (exact asset)
- Operator: Amazon Data Services, Inc. (exact asset)

## Power and grid context

- Utility service: 550 MW · proposed · exact asset — Load the new Larrison Drive 345 kV station is built to serve
- Utility service: 2,250 MW · proposed · exact asset — Anticipated AWS energy use cited in IURC testimony
- Campus gross power: 2,200+ MW · target · exact asset — Draw of the full 30-building site as reported at the campus opening
- Reported unspecified: 767+ MW · proposed · target 2027 · exact asset — Expansion described in a wetlands permit notice
- Reported it power: About 590 MW · reported · exact asset — Independent estimate for the first nine buildings
- Reported it power: About 1,960 MW · target · exact asset — Independent estimate for the full three-phase buildout
- Backup generation: 654 MW · proposed · exact asset — Emergency backup generator fleet in the second air-permit application
- ISO/RTO: PJM
- Electric utility: Indiana Michigan Power Company
- Substation: Larrison Drive 345 kV Station
- Queue IDs: AEP need number AEP-2023-IM023

## Development

- Buildings: 30

## Sources

- [Amazon Web Services investment in St. Joseph County data center campus surpasses $13.8 billion](https://www.wndu.com/2026/07/23/amazon-web-services-investment-st-joseph-county-data-center-campus-surpasses-138-billion/)
- [www.pjm.com](https://www.pjm.com/-/media/DotCom/committees-groups/committees/teac/2024/20240604/20240604-item-05---aep-supplemental-projects.ashx)
- [www.in.gov](https://www.in.gov/iurc/files/ord_46097_021925.pdf)
- [www.cnbc.com](https://www.cnbc.com/2025/10/29/amazon-opens-11-billion-ai-data-center-project-rainier-in-indiana.html)
- [www.hecweb.org](https://www.hecweb.org/wp-content/uploads/2026/08/202400058171S252_PN.pdf)
- [AWS New Carlisle Data Center Campus: Project Rainier - Where Anthropic Trains Claude](https://measuredai.substack.com/p/aws-new-carlisle-data-center-campus)
- [https://ecm.idem.in.gov/cs/idcplg?IdcService=GET_FILE&Rendition=web&dDocName=83716582&dID=83712539&noSaveAs=1](https://ecm.idem.in.gov/cs/idcplg?IdcService=GET_FILE&Rendition=web&dDocName=83716582&dID=83712539&noSaveAs=1)
- [Incentives approved for $11 billion Amazon data center project – Inside INdiana Business](https://www.insideindianabusiness.com/articles/incentives-approved-for-amazon-data-center-project)
- [Just a moment...](https://www.sjcindiana.gov/AgendaCenter/ViewFile/Agenda/_07232024-2008)
- [Amazon details water and energy usage at New Carlisle data center](https://www.abc57.com/news/amazon-details-water-and-energy-usage-at-new-carlisle-data-center)
- [https://permits.air.idem.in.gov/47750f.pdf](https://permits.air.idem.in.gov/47750f.pdf)
- [https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=55001+Larrison+Blvd%2C+New+Carlisle%2C+IN&benchmark=Public_AR_Current&vintage=Current_Current&format=json](https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=55001+Larrison+Blvd%2C+New+Carlisle%2C+IN&benchmark=Public_AR_Current&vintage=Current_Current&format=json)
- [Gov. Holcomb announces Amazon Web Services plans to invest $11B to create a new data center campus in Northern Indiana](https://iedc.in.gov/events/news/details/2024/04/25/gov.-holcomb-announces-amazon-web-services-plans-to-invest-11b-to-create-a-new-data-center-campus-in-northern-indiana)
- [The Silicon Prairie: Power Worries](https://abc57.com/news/the-silicon-prairie-power-worries)
- [https://services3.arcgis.com/OYP7N6mAJJCyH6hd/arcgis/rest/services/Electric_Retail_Service_Territories_HIFLD/FeatureServer/0/query?f=json&where=1%3D1&geometry=-86.460524297175%2C41.693774125775&geometryType=esriGeometryPoint&inSR=4326&spatialRel=esriSpatialRelIntersects&outFields=ID%2CNAME&returnGeometry=false](https://services3.arcgis.com/OYP7N6mAJJCyH6hd/arcgis/rest/services/Electric_Retail_Service_Territories_HIFLD/FeatureServer/0/query?f=json&where=1%3D1&geometry=-86.460524297175%2C41.693774125775&geometryType=esriGeometryPoint&inSR=4326&spatialRel=esriSpatialRelIntersects&outFields=ID%2CNAME&returnGeometry=false)

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Profile generated: 2026-11-02T18:54:57.002622Z
Source: Ask the Grid — https://askthegrid.com/