US Post Office
IndustrialEssex County, Massachusetts · ISO-NE
At a glance
US Post Office is an industrial datacenter candidate site in Essex County, Massachusetts, scoring 53.9/100 DC Readiness — 101st of 216 scored sites in the county. It sits in the ISO-NE grid region and the CITY OF PEABODY - (MA) service territory, where interconnection has averaged 4.3 years from request to operation.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Site location
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How does US Post Office compare with other sites in Essex County?
US Post Office ranks 101st of 216 scored candidate sites in Essex County. Its 53.9/100 is roughly in line with the county average of 54.5. It is roughly in line with the Massachusetts average of 54.2 and roughly in line with the national average of 53.2.
Against the Massachusetts average, its strongest sub-score is fiber connectivity (88 vs 79) and its weakest is power availability (30 vs 35). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is US Post Office to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is EXA CLS Lynn at 4.9 miles. 8 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is EXA CLS Lynn, 4.9 miles away.
What are the flood, water and hazard risks at US Post Office?
At the county level, FEMA's National Risk Index rates Essex County "Relatively Low".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Essex County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| WARD HILL | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 65.9 |
| UNKNOWN136229 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 64.0 |
| Old Groveland Rd. Landfill Solar | Brownfield | — | 3 MW | 4.3 yrs | 62.5 |
| Huntington Avenue Landfill | Brownfield | 115 kV | 1 MW | 4.3 yrs | 61.9 |
| OZ Essex | Greenfield | — | — | 4.3 yrs | 61.5 |
| TAP140678 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 60.9 |
| SOUTH BROADWAY | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 60.9 |
| Greenfield (WAKEFIELD JUNCTION - TEWKSBURY) | Greenfield | 345 kV | 600 MW | 4.3 yrs | 60.9 |
US Post Office: common questions
What is the DC Readiness score of US Post Office?
US Post Office scores 53.9/100 on the GridCensus DC Readiness scale, rated fair. It ranks 101st of 216 scored sites in Essex County. The Essex County average is 54.5 and the Massachusetts average is 54.2.
Which electric utility serves US Post Office?
CITY OF PEABODY - (MA) (municipal) holds the retail service territory that contains the site.
What grid region is US Post Office in?
US Post Office is in the ISO-NE region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is US Post Office from an internet exchange?
The nearest internet exchange facility is EXA CLS Lynn, about 4.9 miles away; 8 fiber providers report service at the location.
Related pages
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “US Post Office, Essex County, MA”, https://gridcensus.com/datacenter-sites/massachusetts/essex-county/us-post-office-82220bf7 (data as of October 10, 2026).
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
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