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Safe Harbor

Hydro power plant · Lancaster County, Pennsylvania

Nameplate capacity

418 MW

Rank in Pennsylvania

#39

of 273 plants

In service since

1931

December 1931

Details

Primary fuel: Hydro
Technology: Conventional Hydroelectric
Operator: Safe Harbor
County: Lancaster County
Generating units: 14
Share of state capacity: 0.79%
Rank among hydro plants in Pennsylvania: #3 of 19
EIA plant code: 3175

Generating units

Individual generating units at Safe Harbor
Unit	Technology	Nameplate	Summer	Online	Status
10	Conventional Hydroelectric	38 MW	38 MW	1985	Operating
11	Conventional Hydroelectric	38 MW	38 MW	1986	Operating
12	Conventional Hydroelectric	38 MW	38 MW	1985	Operating
8	Conventional Hydroelectric	38 MW	38 MW	1985	Operating
9	Conventional Hydroelectric	38 MW	38 MW	1986	Operating
1	Conventional Hydroelectric	33 MW	33 MW	1940	Operating
2	Conventional Hydroelectric	33 MW	33 MW	1934	Operating
3	Conventional Hydroelectric	32 MW	32 MW	1931	Operating
4	Conventional Hydroelectric	32 MW	32 MW	1931	Operating
5	Conventional Hydroelectric	32 MW	32 MW	1932	Operating
6	Conventional Hydroelectric	32 MW	32 MW	1932	Operating
7	Conventional Hydroelectric	32 MW	32 MW	1933	Operating
41	Conventional Hydroelectric	2.0 MW	2.0 MW	1931	Operating
42	Conventional Hydroelectric	2.0 MW	2.0 MW	1931	Operating

Nameplate is the maximum rated output; summer capacity is what the unit can reliably deliver on a hot day, which is typically lower.

Similarly sized plants in Pennsylvania

Birdsboro Power	Natural gas	525 MW
Seneca Generation LLC	Hydro	438 MW
Brunot Island	Natural gas	365 MW
New Castle Plant	Natural gas	354 MW

About this data

From EIA’s inventory of operable generators, May 2026 release. Capacity is nameplate — the maximum rated output of the equipment, not what the plant actually generates over a year, which depends on how often it runs. A 418 MW solar plant and a 418 MW nuclear plant have the same entry here and produce very different amounts of electricity.

“In service since” is the earliest in-service date among the units still listed, so a site rebuilt around newer equipment can read as younger than the site itself. All Pennsylvania power plants · What Pennsylvania actually generates