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82.8 MW Distillate Oil operating in Baltimore City, MD — PJM Interconnection, LLC
82.8 MW
Nameplate Capacity
4
Generators
units
Petroleum Liquids
Technology
1970
Operating Since
Coordinates
39.2987, -76.5636
County
Baltimore City, MD
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Constellation Power Source Generation, LLC | Constellation Power Source Generation | — |
| Owner(s) | Constellation Power Source Generation, LLC | Constellation Energy | — |
| Status | Operating | — | — |
The Philadelphia power plant, located in Baltimore City County, Maryland, has a total capacity of 82.8 MW. The plant began operating in 1970 and is owned by Constellation Energy, with Constellation Power Source Generation, LLC as the operator. The primary fuel source is distillate fuel oil (DFO), and the plant utilizes petroleum liquids technology across its four generators. Philadelphia is connected to the PJM Interconnection, LLC balancing authority within the RFC NERC region.
In the most recent year with available data, the plant generated 4,940 MWh of electricity, resulting in a capacity factor of 0.7%. The Philadelphia plant ranks 6th out of 12 power plants in Maryland and 72nd out of 886 plants nationally. Recent news coverage includes 7 articles related to the industry, 2 related to the grid, and 1 related to regulatory matters.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC (PJM)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
1.0K MWh
Latest Month
4.9K MWh
Annual Generation
0.7%
Capacity Factor
CO₂ Intensity
2672 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
15 lb/MWh
SO₂
8 lb/MWh
CH₄
0.108 lb/MWh
N₂O
0.022 lb/MWh
Capacity Factor
0.2%
Annual Net Gen
2 GWh
CO₂eq
2680 lb/MWh
Subregion
RFC East
2013
$765/kW
Est. Construction Cost
Total estimated cost: $63.3M
Point of Interconnection
Nearest Substation
Philadelphia Road Substation · 115 kV
Substation Distance
< 10 km
Operator
Baltimore Gas and Electric
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
PHILADRD4 KVCT 1
Pricing Hub
WESTERN HUB
Alt. Hub / Zone
DOMINION HUB
Node Source
EIA-860 direct report
Last updated 2026-03-26
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