FieldProspects

St Lawrence County, New York

St Lawrence County, New York has 4.5 GW of data centers on record, planned to operating, across 6 records, against 1.4 GW of generation operating inside the county. The queue adds 972.1 MW of planned generation across 6 projects. That is 45.3% of New York's data center MW.

Data as of Grid region: New York ISO (NYISO)Refreshed monthly
4.5GW
data centers, planned to operating
6
data center records, not cancelled
45.3%
of New York's data center MW
1.4GW
operating generation, 116 projects
972.1MW
planned generation, 6 projects
6
data center developers active here
Map

St Lawrence County and its neighbors

Counties shaded by data center MW on record, planned to operating. 4 of its 5 neighboring counties have pages of their own. The rest are in the member database.

Herkimer 500 MW St Lawrence 4.5 GW Jefferson no data centers Hamilton Franklin no data centers Lewis no data centers
no data center MWunder 100 MW100 to 1,000 MW1,000 to 5,000 MW5,000 to 15,000 MW15,000 MW or more no page yet

Data center records planned, under construction and operating, data as of October 8, 2026.Hover a county for its numbers

Headline finding
3.2times

more data center MW than operating generation in the county. St Lawrence County's own plants cover 30.9% of the load on record, and the planned pipeline adds 972.1 MW.

Data centers, planned to operating4.5 GW
Operating generation1.4 GW
Planned generation972.1 MW

Data centers by status

6 records, 4.5 GW

Planned4.5 GW6 records, 100%
Who owns each of the 6 records?Campus names, developers and contacts are for members.See what members get

The data center pipeline

None of the 6 records lists a year online or expected, so the pipeline is shown by developer only.

Figure 1

Who is building in St Lawrence

Data center developers by MW on record. Top 6 of 6.

St. Lawrence Infrastructure LLC 2.8 GW 1 site
Arconic Corporation 933 MW 1 site
North Country Colocation Services 435 MW 1 site
American Data Center Partners LLC 250 MW 1 site
Sabey Data Center Properties 120 MW 1 site
Petawatt Holdings 0 MW 1 site
View as table
DeveloperSitesMW
St. Lawrence Infrastructure LLC12,795
Arconic Corporation1933
North Country Colocation Services1435
American Data Center Partners LLC1250
Sabey Data Center Properties1120
Petawatt Holdings10
Members see all 6 developers, each campus they own here, and the people who run their site selection and energy procurement.
Source. FieldProspects database: ISO/RTO interconnection queues, EIA-860M and public data center filings, data as of October 8, 2026. Aggregates only. Campus names are for members.

Power generation in the county

116 plants operate inside St Lawrence County, 1.4 GW. The queue adds 972.1 MW across 6 projects.

Figure 3

Operating and planned generation by technology

MW in St Lawrence County

OperatingPlanned
HydroOperating 1.2 GW 82 projects
SolarOperating 113.4 MW 30 projects
SolarPlanned 732.1 MW 5 projects
Solar + Storage (Hybrid)Planned 240 MW 1 project
Natural GasOperating 129 MW 3 projects
OilOperating 2 MW 1 project
View as table
TechnologyStatusProjectsMW
HydroOperating821,155.3
SolarOperating30113.4
SolarPlanned5732.1
Solar + Storage (Hybrid)Planned1240
Natural GasOperating3129
OilOperating12
Operating: 1.4 GW. Planned: 972.1 MW. Even if every planned project is built, county generation would reach 2.4 GW against 4.5 GW of data centers.
Source: ISO queues and EIA-860M, via FieldProspects
Figure 4

Planned generation by listed in-service year

MW. Years before 2026 are past due.

Past dueDue 2026 or later
02505007501k 12 2027 860 2028 100 2029
View as table
YearPlanned projectsMW
2027112.1
20284860
20291100
No planned project is past its listed year

St Lawrence County against its neighbors

Herkimer County has the most data center MW among the neighbors, 500 MW, 11% of St Lawrence County's. 3 of the 4 have more generation operating than data center MW on record.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
St Lawrence County this page 6
4,533
1,400
972 3.2x
Herkimer County 1
500
138
533 3.6x
Lewis County 0
0
785
125 0x
Jefferson County 0
0
256
998 0x
Franklin County 0
0
230
2,575 0x

Data center MW counts records planned, under construction and operating. Generation is inside the county only. Neighbors without a page have fewer than three projects on record.

5 counties shown

What changed since June 4, 2026

11 projects in St Lawrence County moved between the two snapshots. Counts and MW are below; the projects themselves are for members.

Open the change feed
0
added to a queue, 0 MW
0
came online, started construction or signed an interconnection agreement, 0 MW
11
cancelled, dropped or went inactive, 4.8 GW
0
slipped their in-service date, 0 MW

Every change in St Lawrence County

Project, what changed, technology, MW and the dates that moved, for all 11 changes.

Members only
County: St Lawrence County, NYSince June 4, 2026 11 changes
ProjectChangeTechnologyMWPrevious dateNew date
11 changes behind this preview

Rows are hidden on public pages. Members see the project behind each change, its developer and the dates that moved.

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Every record in St Lawrence County

Campus or project name, developer, status, MW, year and the developer’s contacts, for all 128 records. Filter, sort and export to Excel.

Members only
County: St Lawrence County, NYStatus: all except cancelledSort: MW, largest first 128 records
Project or campusDeveloperStatusMWYearContacts
128 records and 6.9 GW behind this preview

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