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DataCentersExposed
Operating

CoreSite DC1

1275 K Street Northwest · District of Columbia County, DC

Source: OpenStreetMap

CoreSite DC1 is an operating data center in District of Columbia County, DC, operated by CoreSite, LLC and ultimately owned by American Tower Corporation.

Reporting by · Updated Jun 14, 2026

Real parent
American Tower Corporation
Operator
CoreSite, LLC
Utility
Potomac Electric Power Co
Grid
PJM
Attribution & capacity confidence:mediumprimary source
Status · click to filter

Most sites are mapped — located but awaiting a second source. How we verify

Dot size = disclosed capacity (MW). Smallest = undisclosed, not small.

Overview

source: link

CoreSite DC1 is an operating data center in District of Columbia County, DC, run by CoreSite, LLC and owned through its parent, American Tower Corporation. The site draws power from Potomac Electric Power Co inside the PJM grid.

Operator chain

Tax breaks & subsidies

source: Good Jobs First / GASB 77

No per-deal tax break is linked to this site yet. No state discloses the recipient of a data-center abatement at the facility level, so per-site deals are rare in the public record. If you have a development agreement or board resolution for this site, send it to us.

Water use

Modeled estimate~93.6K gpd
Direct (onsite cooling)
~45.6K gpd
Indirect (its electricity)
~48K gpd

No measured record exists, so this is a low-confidence model from 5 MW (interconnection capacity): 1.8 L/kWh cooling (temperate climate) + 0.5 gal/kWh embedded in PJM 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

No reported violations as of last sync.

What this site costs the grid

source: PJM RPM auction reports
Pepco (DC / MD) · 2027/28 auction
$333 /MW-day
Peaked at $247/MW-day in 2013/14 8.91× the rest of PJM

PJM's capacity auction sets a $/MW-day price that utilities pass on to every household and business in the zone. This site sits in PJM's PEPCO pricing zone, where soaring data-center demand is a documented driver. See the full zone-by-zone breakdown →

Separately, a typical home in this zone pays an estimated $4 to $10/mo more on the capacity portion of its bill that PJM's market monitor attributes to data-center demand. See your address's full impact →

Air quality near this site

source: AirNow
69
PM2.5
Moderate
42
O3
Good

Air Quality Index from the nearest AirNow reporting area (Northern Virginia and DC), as of 2026-06-10. Regional context — not this facility's own emissions.

Who lives nearby

source: Census ACS 2023
Median household income
$111.9K
People of color
42%
Below poverty
8%
Tract population
2,659

Demographics 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 / NCES

The nearest public school, Thomson Es in Washington, is 269 ft from this site (247 students). 17 public schools sit within a mile of the site.

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.