FieldProspects

Waldo County, Maine

Waldo County, Maine has 12 power projects in the FieldProspects database: 10 operating plants totaling 149 MW and 2 planned projects totaling 2.3 MW. No data center record lists the county. Solar leads with 133.6 MW across 8 projects. No planned project is past its listed in-service date.

Data as of Grid region: ISO New EnglandRefreshed monthly
12
power projects, planned and operating
2.3MW
planned generation, 2 projects
149MW
operating generation, 10 projects
0
planned projects past their listed in-service date
Map

Waldo County and its neighbors

Counties shaded by data center MW on record, planned to operating. 6 of its 6 neighboring counties have pages of their own. The rest are in the member database.

Hancock no data centers Waldo no data centers Somerset no data centers Knox no data centers Kennebec no data centers Penobscot no data centers Lincoln 0 MW
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
2%

of the county's operating generation is in the queue as new capacity: 2.3 MW planned across 2 projects against 149 MW operating.

Operating generation149 MW
Planned generation2.3 MW

Technology mix

12 projects, 151.3 MW planned and operating

Solar133.6 MW8 projects, 88%
Biomass11.2 MW2 projects, 7%
Wind4.5 MW1 project, 3%
One other technology2 MW1 project, 1%
Which companies own these 12 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

10 plants operate inside Waldo County, 149 MW. The queue adds 2.3 MW across 2 projects.

Figure 1

Operating and planned generation by technology

MW in Waldo County

OperatingPlanned
SolarOperating 131.3 MW 6 projects
SolarPlanned 2.3 MW 2 projects
BiomassOperating 11.2 MW 2 projects
WindOperating 4.5 MW 1 project
OilOperating 2 MW 1 project
View as table
TechnologyStatusProjectsMW
SolarOperating6131.3
SolarPlanned22.3
BiomassOperating211.2
WindOperating14.5
OilOperating12
Operating: 149 MW. Planned: 2.3 MW. If every planned project is built, county generation would reach 151.3 MW.
Source. FieldProspects database: ISO/RTO interconnection queues, EIA-860M and public data center filings, data as of October 8, 2026.
Figure 2

Planned generation by listed in-service year

MW. Years before 2026 are past due.

Past dueDue 2026 or later
0123 Snapshot year 2 2026
View as table
YearPlanned projectsMW
202622.3
No planned project is past its listed year

Waldo County against its neighbors

None of the 6 neighboring counties with a page lists a data center record. Penobscot County has the most operating generation among them, 1 GW.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Penobscot County 0
0
1,038
68 0x
Somerset County 0
0
498
158 0x
Hancock County 0
0
388
202 0x
Waldo County this page 0
0
149
2 0x
Kennebec County 0
0
136
0 0x
Knox County 0
0
16
183 0x
Lincoln County 1
0
13
0 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.

7 counties shown

What changed since June 4, 2026

2 projects in Waldo 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
2
came online, started construction or signed an interconnection agreement, 2 MW
0
cancelled, dropped or went inactive, 0 MW
0
slipped their in-service date, 0 MW

Every change in Waldo County

Project, what changed, technology, MW and the dates that moved, for all 2 changes.

Members only
County: Waldo County, MESince June 4, 2026 2 changes
ProjectChangeTechnologyMWPrevious dateNew date
2 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 Waldo County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 12 records. Filter, sort and export to Excel.

Members only
County: Waldo County, MEStatus: all except cancelledSort: MW, largest first 12 records
Project or campusDeveloperStatusMWYearContacts
12 records and 151.3 MW behind this preview

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