Castleton Free Library
IndustrialRutland County, Vermont · ISO-NE
At a glance
Castleton Free Library is an industrial datacenter candidate site in Rutland County, Vermont, scoring 56.2/100 DC Readiness — 42nd of 101 scored sites in the county. It sits in the ISO-NE grid region and the GREEN MOUNTAIN POWER CORP 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 Castleton Free Library compare with other sites in Rutland County?
Castleton Free Library ranks 42nd of 101 scored candidate sites in Rutland County. Its 56.2/100 is roughly in line with the county average of 56.2. It is roughly in line with the Vermont average of 54.3 and roughly in line with the national average of 53.2.
Against the Vermont average, its strongest sub-score is fiber connectivity (92 vs 75) and its weakest is power availability (30 vs 33). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Castleton Free Library to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is VELCO Rutland at 9.9 miles. 7 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is VELCO Rutland, 9.9 miles away.
What are the flood, water and hazard risks at Castleton Free Library?
At the county level, FEMA's National Risk Index rates Rutland 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 Rutland County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| WEST RUTLAND | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 68.9 |
| Rutland Landfill (Stafford Hill) | Brownfield | 46 kV | 2 MW | 4.3 yrs | 64.8 |
| NORTH RUTLAND | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 63.7 |
| OZ Rutland | Greenfield | — | — | 4.3 yrs | 62.8 |
| UNKNOWN133349 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 62.6 |
| TAP136049 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 62.4 |
| BLISSVILLE | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 61.8 |
| WHITEHALL | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 58.4 |
Castleton Free Library: common questions
What is the DC Readiness score of Castleton Free Library?
Castleton Free Library scores 56.2/100 on the GridCensus DC Readiness scale, rated good. It ranks 42nd of 101 scored sites in Rutland County. The Rutland County average is 56.2 and the Vermont average is 54.3.
Which electric utility serves Castleton Free Library?
GREEN MOUNTAIN POWER CORP (investor owned) holds the retail service territory that contains the site.
What grid region is Castleton Free Library in?
Castleton Free Library is in the ISO-NE region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
How far is Castleton Free Library from an internet exchange?
The nearest internet exchange facility is VELCO Rutland, about 9.9 miles away; 7 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, “Castleton Free Library, Rutland County, VT”, https://gridcensus.com/datacenter-sites/vermont/rutland-county/castleton-free-library-bfe75ddd (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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