FieldProspects

Harford County, Maryland

Harford County, Maryland has 35 power projects in the FieldProspects database: 33 operating plants totaling 1.1 GW and 2 planned projects totaling 1 GW. No data center record lists the county. Battery Storage leads with 1 GW across 2 projects.

Data as of Grid region: PJM InterconnectionRefreshed monthly
35
power projects, planned and operating
1GW
planned generation, 2 projects
1.1GW
operating generation, 33 projects
0
planned projects past their listed in-service date
Map

Harford County and its neighbors

Counties shaded by data center MW on record, planned to operating. 2 of its 2 neighboring counties have pages of their own. The rest are in the member database.

Baltimore 153 MW Cecil no data centers Harford 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
92%

of the county's operating generation is in the queue as new capacity: 1 GW planned across 2 projects against 1.1 GW operating.

Operating generation1.1 GW
Planned generation1 GW

Technology mix

35 projects, 2.1 GW planned and operating

Battery Storage1 GW2 projects, 48%
Hydro530.8 MW11 projects, 25%
Natural Gas340.9 MW3 projects, 16%
2 other technologies218.2 MW19 projects, 10%
Which companies own these 35 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

33 plants operate inside Harford County, 1.1 GW. The queue adds 1 GW across 2 projects.

Figure 1

Operating and planned generation by technology

MW in Harford County

OperatingPlanned
Battery StoragePlanned 1 GW 2 projects
HydroOperating 530.8 MW 11 projects
Natural GasOperating 340.9 MW 3 projects
OilOperating 159.3 MW 3 projects
SolarOperating 58.9 MW 16 projects
View as table
TechnologyStatusProjectsMW
Battery StoragePlanned21,000
HydroOperating11530.8
Natural GasOperating3340.9
OilOperating3159.3
SolarOperating1658.9
Operating: 1.1 GW. Planned: 1 GW. If every planned project is built, county generation would reach 2.1 GW.
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. 1 planned project lists no date and is left out.

Past dueDue 2026 or later
0200400600 500 2029
View as table
YearPlanned projectsMW
20291500
No planned project is past its listed year

Harford County against its neighbors

Baltimore County has the most data center MW among the neighbors, 153 MW. 1 of the 2 have more generation operating than data center MW on record.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Baltimore County 3
153
47
270 3.3x
Cecil County 0
0
1,923
2 0x
Harford County this page 0
0
1,090
1,000 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.

3 counties shown

Every record in Harford County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 35 records. Filter, sort and export to Excel.

Members only
County: Harford County, MDStatus: all except cancelledSort: MW, largest first 35 records
Project or campusDeveloperStatusMWYearContacts
35 records and 2.1 GW behind this preview

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