Data centre directory / Cogent Data Center - Herndon

Cogent Data Center - Herndon

Cogent Communications, Inc. · Herndon · Virginia

This is a source record, not confirmation of a currently operating facility. Other records may describe the same facility or campus.

Facility information

Operator: Cogent Communications, Inc.
Country: United States
State / region: Virginia
Region basis: Source state / region field
City / market: Herndon
Address: Not supplied
County: Fairfax County
Established year: Not supplied
Current status: Not verified
Dataset: US facility atlas
Source date: 2026-06-25T08:28:01.075806+00:00

Location

Source-geocoded location; accuracy is not independently verified. Market is used for the city/market filter.

Source coordinates: 38.962567, -77.381386. Treat the marker as approximate.

Open location in OpenStreetMap

Energy and environmental figures

Figures below come from the supplied US atlas snapshot. Modelled values are estimates, not measured consumption or confirmed grid connections. Confidence labels are the source’s own labels and have not been independently verified by Octary.

Metric	Source value	Basis
IT power	1.55 MW	Source confidence: proxy; basis: reported_sqft
Annual IT electricity	13578 MWh/year	Derived / estimated
Power usage effectiveness	1.28	Source assumption / estimate
Annual facility electricity	17380 MWh/year	Derived / estimated
Annual water consumption	13.58 million US gallons/year	Source confidence: proxy
Water usage effectiveness	1 L/kWh	Source assumption / estimate
Water stress score	3.8	Area-level source model
Water stress category	High	Area-level source model
Grid subregion	SRVC	Source assignment
Grid carbon intensity	720 lb CO₂/MWh	Regional factor, not facility measurement
Annual CO₂e	5676 tons/year (source unit)	Derived / estimated; ton definition not supplied

Source and original fields

facilities.json. Imported snapshot: 2 November 2026. This date describes ingestion, not verification. No missing capacity, ownership or planning information has been inferred.

View all original source fields

{
    "id": "site:usa/virginia/herndon/cogent-herndon",
    "name": "Cogent Data Center - Herndon",
    "operator": "Cogent Communications, Inc.",
    "lat": 38.962567,
    "lon": -77.381386,
    "state": "Virginia",
    "county": "Fairfax County",
    "countyFips": "51059",
    "footprintSqft": 12900,
    "footprintSource": "reported",
    "geometryType": "building",
    "establishedYear": null,
    "source": "curated",
    "market": "Herndon",
    "metrics": {
        "itPowerMw": 1.55,
        "itPowerConfidence": "proxy",
        "annualItMwh": 13578,
        "pue": 1.28,
        "facilityMwh": 17380,
        "waterConsumptionMgy": 13.58,
        "waterConfidence": "proxy",
        "wueLPerKwh": 1,
        "waterStressScore": 3.8,
        "waterStressLabel": "High",
        "gridSubregion": "SRVC",
        "gridCo2LbPerMwh": 720,
        "annualCo2eTons": 5676,
        "bciReliable": true,
        "powerSource": "reported_sqft",
        "bci": 28.2,
        "bciLabel": "Moderate",
        "bciComponents": {
            "water": 0.76,
            "electric": 0.051,
            "carbon": 0.576
        }
    }
}

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