# Amazon IAD78

PJM data center · https://askthegrid.com/assets/facilities/amazon-iad78

Amazon IAD78 is a building data center in Ashburn, Loudoun, VA. Amazon Web Services is identified as the operator, and the facility is operating. Spatial service-territory evidence associates the site with Dominion Virginia Power; the profile assigns the asset to PJM through that documented market role. Reported development, power, and commercial facts retain their source-specific facility, campus, building, or phase scope; the page does not collapse those values into a single implied load.

## Identity and location

- Operating status: operating
- Asset scope: building
- Location: 44862 Interconnection Plaza, Ashburn, Loudoun County, VA
- Owner: Amazon Data Services, Inc. (exact asset)
- Operator: Amazon Web Services (exact asset)
- Developer: Amazon Data Services, Inc. (exact asset)

## Power and grid context

- ISO/RTO: PJM
- Balancing authority: PJM Interconnection
- Electric utility: Dominion Virginia Power

## Development

- Site status: operational
- Gross floor area: 142,000 square feet
- Construction: Operational; building cited as Amazon IAD78 at 44862 Interconnection Plaza. Year built reported 2017; listed as fully operational (operating) and included in a multi-address AWS grouping that datacenter.fyi reports became operational May 8, 2024. Campus-level power (grouped addresses) reported as 405 MW but not attributable to this single building in the sources.

## Compute and operations

- Operating context: Operational data center operated by Amazon Web Services (AWS) in Ashburn, VA.

## Sources

- [http://aboutamazon.com/news/aws/reducing-water-usage-in-aws-data-centers](http://aboutamazon.com/news/aws/reducing-water-usage-in-aws-data-centers)
- [http://altoonamirror.com/news/local-news/2026/03/srbc-amazon-data-center-water-permit-oks](http://altoonamirror.com/news/local-news/2026/03/srbc-amazon-data-center-water-permit-oks)
- [Amazon Data Services, Inc. IAD 50 IAD 60 IAD-71 IAD-78 IAD-79 IAD-80 - Ashburn, VA | datacenter.fyi](http://datacenter.fyi/public-record/amazon-data-services-inc-iad-50-iad-60-iad-71-iad--8aa2285d)
- [http://datacenters.com/amazon-aws-iad78-44862-interconnection-plaza](http://datacenters.com/amazon-aws-iad78-44862-interconnection-plaza)
- [http://loudoun.gov/2674/Utilities](http://loudoun.gov/2674/Utilities)
- [http://sustainability.aboutamazon.com/products-services/aws-cloud](http://sustainability.aboutamazon.com/products-services/aws-cloud)
- [Amazon data center campus plan for Ashburn hits Loudoun opposition - Virginia Business](http://virginiabusiness.com/amazon-data-centers-gwu-ashburn)
- [Amazon 44862 Interconnection Plaza Data Center](https://baxtel.com/data-center/amazon-44862-interconnection-plaza)
- [Amazon Data Services, Inc. IAD 50 IAD 60 IAD-71 IAD-78 IAD-79 IAD-80 - Ashburn, VA | datacenter.fyi](https://datacenter.fyi/public-record/amazon-data-services-inc-iad-50-iad-60-iad-71-iad--8aa2285d)
- [AWS Amazon IAD78 — Data Center](https://dchub.cloud/facilities/aws-amazon-iad78-ce57302a)
- [Amazon AWS IAD78 44862 Interconnection Plaza | gotcolo.com](https://gotcolo.com/data-center/amazon-aws-iad78-44862-interconnection-plaza/)
- [Amazon and Dominion Virginia Power Reach Breakthrough Renewable Energy Agreement - RMI](https://rmi.org/resources/amazon-dominion-virginia-power-reach-breakthrough-renewable-energy-agreement/)
- [Data Center Retail Sales & Use Tax Exemption | Virginia Economic Development Partnership](https://vedp.org/incentive/data-center-retail-sales-use-tax-exemption)
- [What's in the water? What we know and don't ...](https://virginiamercury.com/2026/06/01/whats-in-the-water-what-we-know-and-dont-know-about-data-center-water-discharge-in-virginia/)
- [Loudoun County will fight to keep Amazon data center off just-sold GW campus in Ashburn – WTOP News](https://wtop.com/virginia/2026/03/loudoun-county-will-fight-to-keep-amazon-data-center-off-just-sold-gw-campus-in-ashburn)
- [‘Concrete jungle’: As Amazon details plans for new Ashburn data centers, some residents are fed up – WTOP News](https://wtop.com/virginia/2026/08/concrete-jungle-as-amazon-details-plans-for-new-ashburn-data-centers-some-residents-are-fed-up)
- [DEQ meeting about data center discharge water into Lake ...](https://www.12onyourside.com/2026/06/10/deq-meeting-about-data-center-water-discharging-into-lake-anna-tributaries-turns-contentious/)
- [Amazon Data Services, Inc. IAD 50 IAD 60 IAD-71 IAD-78 IAD-79 ...](https://www.canonical.cc/labs/groundwork/site/amazon-data-services-inc-iad-50-iad-60-iad-71-iad-78-iad-79-iad-80-loudoun/)
- [Amazon IAD-78 — Ashburn, VA | datacenter.fyi](https://www.datacenter.fyi/facility/amazon-iad-78-va-68825626)
- [Amazon Data Services, Inc. IAD 50 IAD 60 IAD-71 IAD-78 ...](https://www.datacenter.fyi/public-record/amazon-data-services-inc-iad-50-iad-60-iad-71-iad--8aa2285d)
- [Amazon AWS IAD78 44862 Interconnection Plaza ...](https://www.datacenters.com/amazon-aws-iad78-44862-interconnection-plaza)
- [Issued Air Permits for Data Centers | Virginia DEQ](https://www.deq.virginia.gov/news-info/shortcuts/permits/air/issued-air-permits-for-data-centers)

## Data quality

- Evidence comes from local news (WTOP) and regional business news (Virginia Business) that directly quote Amazon and county officials, providing reliable, contemporaneous reporting.
- Downgraded provider news from exact-site scope because identity and location proof were incomplete: Loudoun County will fight to keep Amazon data center off just‑sold GW campus in Ashburn
- Downgraded provider news from exact-site scope because identity and location proof were incomplete: ‘Concrete jungle’: As Amazon details plans for new Ashburn data centers, some residents are fed up
- Downgraded provider news from exact-site scope because identity and location proof were incomplete: Amazon data center campus plan for Ashburn hits Loudoun opposition
- Power values retain their reported, requested, contracted, energized, gross-campus, or critical-IT basis.

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Canonical page: https://askthegrid.com/assets/facilities/amazon-iad78
Profile generated: 2026-09-04T14:28:32.838652Z
Source: Ask the Grid — https://askthegrid.com/