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Prototype

Current build. Uses imported EIA-860, EIA-923, and EPA eGRID data when available, with a small seeded fallback for local development.

Harford, Maryland · Plant code 1556

Perryman

Perryman is a natural gas plant in Harford, Maryland. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

Primary fuel Natural Gas

Route-friendly label and badge.

Total capacity 492 MW

Plant nameplate capacity.

Annual generation 152,386 MWh

Annual output from imported EIA and EPA records.

Capacity factor 6%

A simple way to compare utilization.

Operations

Operations details

Sector IPP Non-CHP

Utility, IPP, industrial, or commercial style ownership.

Status Operating

Current operating status in the imported records.

Online year 1,972

Useful for technology-vintage context.

Location Harford County, Maryland

County and state routing anchor.

Emissions

Emissions details

CO2 168,178 tons

Annual plant-level total.

SO2 1 tons

Annual sulfur dioxide.

NOx 65 tons

Annual nitrogen oxides.

CO2 rate 1,363 lbs/MWh

Emission intensity, when available.

Fuel mix

Generation by fuel at the site.

Natural Gas 140,597 MWh · 92% of generation
Oil 11,789 MWh · 8% of generation

Ownership

Who owns the plant.

Owner Constellation Power Source Generation, LLC

100%

Generators

Generator-level detail

Generator Technology Fuel Capacity Status Online
GT1 Petroleum Liquids Oil 53 MW Operating 1,972
GT2 Petroleum Liquids Oil 53 MW Retired or canceled 1,972
GT3 Petroleum Liquids Oil 53 MW Operating 1,972
GT4 Petroleum Liquids Oil 53 MW Operating 1,972
GT5 Natural Gas Fired Combustion Turbine Natural Gas 192 MW Operating 1,995
GT6 Natural Gas Fired Combustion Turbine Natural Gas 141 MW Operating 2,015

Generation trend

Monthly output pattern

3,467 MWh
Jan
1,787 MWh
Feb
4,598 MWh
Mar
8,875 MWh
Apr
19,778 MWh
May
19,868 MWh
Jun
44,002 MWh
Jul
22,862 MWh
Aug
7,094 MWh
Sep
10,170 MWh
Oct
4,369 MWh
Nov
5,516 MWh
Dec

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Solar

Archdiocese of Baltimore J is a solar plant in Harford, Maryland. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

2 MW 3,261 MWh 0 tons CO2
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Harford, Maryland

Archdiocese of Baltimore L

Solar

Archdiocese of Baltimore L is a solar plant in Harford, Maryland. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

2 MW 3,270 MWh 0 tons CO2
Luminace Solar MC, LLC 0.3 mi away

Harford, Maryland

Baltimore City B

Solar

Baltimore City B is a solar plant in Harford, Maryland. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

2 MW 2,017 MWh 0 tons CO2
Luminace Solar MC, LLC 0.5 mi away

Harford, Maryland

Baltimore City D

Solar

Baltimore City D is a solar plant in Harford, Maryland. This page is assembled from imported EIA-860, EIA-923, and EPA eGRID records.

2 MW 3,065 MWh 0 tons CO2
Luminace Solar MC, LLC 0.5 mi away

Related routes

Context around this plant

County page

Harford overview

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18 plants

State page

Maryland

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210 plants

Fuel page

Natural Gas plants

Compare this site to plants using the same primary fuel.

2,534 plants