MACHIAS #13
SubstationNew York · NIAGARA MOHAWK POWER CORP.
At a glance
MACHIAS #13 is an electric transmission substation in New York, on NIAGARA MOHAWK POWER CORP.'s transmission network. It is classified as sub-transmission (115 kv) and connects 4 transmission lines. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.
Voltage & classification
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #101529 | 115 kV | NIAGARA MOHAWK POWER CORP. | IN SERVICE | 9.7 mi |
| #120701 | 115 kV | NIAGARA MOHAWK POWER CORP. | IN SERVICE | 8.4 mi |
| #132413 | 115 kV | NIAGARA MOHAWK POWER CORP. | IN SERVICE | 9.7 mi |
| #165665 | 115 kV | — | IN SERVICE | 17.3 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of MACHIAS #13, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| UNKNOWN124945 | Substation-Adjacent | NY | Erie County | 115 kV | 100 MW | 4.3 yrs | 60.6 |
| TAP139787 | Substation-Adjacent | NY | Erie County | 115 kV | 100 MW | 4.3 yrs | 60.5 |
| FIVE MILE | Substation-Adjacent | NY | Cattaraugus County | 345 kV | 600 MW | 4.3 yrs | 60.5 |
| HIGH SHELDON | Substation-Adjacent | NY | Wyoming County | 230 kV | 300 MW | 4.3 yrs | 60.1 |
| BIG TREE | Substation-Adjacent | NY | Erie County | 115 kV | 100 MW | 4.3 yrs | 59.4 |
| CLOVERBANK | Substation-Adjacent | NY | Erie County | 115 kV | 100 MW | 4.3 yrs | 59.3 |
| UNKNOWN124741 | Substation-Adjacent | NY | Wyoming County | 230 kV | 300 MW | 4.3 yrs | 59.2 |
| DAVIS RD | Substation-Adjacent | NY | Erie County | 115 kV | 100 MW | 4.3 yrs | 58.9 |
How does MACHIAS #13 compare with other substations in New York?
New York has 2,777 substation records in HIFLD, of which 570 carry a station name; the rest are unnamed tap points, risers and line ends. 261 named substations in the state are in MACHIAS #13's 115–229 kV band (46% of named stations). 82 sit in a higher band. 56 named substations in New York operate at 345 kV or above. The highest voltage recorded in the state is 765 kV, and the state median is 115 kV.
Who owns the transmission lines at MACHIAS #13?
The 4 connected lines listed above are owned by NIAGARA MOHAWK POWER CORP. Line voltages range from 115 kV to 115 kV. Their combined recorded length is about 45 miles.
How do candidate sites near MACHIAS #13 score?
The 8 highest-scoring candidate sites within about 25 miles range from 59 to 61 on the 0–100 DC Readiness scale. They fall in Erie County, Cattaraugus County, Wyoming County. The New York average across 2,980 scored sites is 54. 844 of those New York sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is MACHIAS #13 substation?
MACHIAS #13 has a maximum voltage of 115 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so MACHIAS #13 is at the national midpoint.
How many transmission lines connect to MACHIAS #13 substation?
4 transmission lines terminate at or pass through MACHIAS #13 in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 45 miles.
Who owns MACHIAS #13 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at MACHIAS #13 belong to NIAGARA MOHAWK POWER CORP. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is MACHIAS #13 substation located?
MACHIAS #13 is in New York at 42.4056, -78.4948. The datacenter candidate sites closest to it are in Erie County, Cattaraugus County, Wyoming County.
Are there datacenter candidate sites near MACHIAS #13 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of MACHIAS #13. The highest-scoring is UNKNOWN124945 at 61/100. Across New York, the average DC Readiness score is 54.
Other 115 kV substations in New York
- MORTIMER· 16 lines
- LOCKPORT· 15 lines
- WESTOVER· 13 lines
- TEAL· 12 lines
- GREENBUSH· 11 lines
- SPIER FALLS· 11 lines
- ALCOA MASSENA OPERATIONS - WEST PLANT· 10 lines
- MOHICAN· 9 lines
- All named substations in New York· 570 stations
- Datacenter candidate sites in New York· 2,980 sites
- Brownfield and retired plant sites in New York
- Substations by state
About this data
Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “MACHIAS #13 substation, New York”, https://gridcensus.com/substations/new-york/machias-13-955db434 (data as of June 29, 2026).
Dataset updated . Screening estimates derived from public data sources.
Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.
Go deeper than the public screen
Every site and score for MACHIAS #13 substation, New York is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.