Johnsonburg Mill — Plant Summary
- EIA Plant ID
- 54638
- Capacity
- 54 MW
- Primary Fuel
- BLQ
- Technology
- Wood/Wood Waste Biomass
- Status
- Operating
- Location
- Elk, PA
- Operating Since
- 1993
- Generators
- 1
- Operator
- Domtar LLC
- Parent Company
- Paper Excellence
- Annual Generation
- 40,626 MWh
- Capacity Factor
- 8.5%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- RFC
Johnsonburg Mill
OperatingBlack Liquor
Ranked #1 of 1 Black Liquor plants in PA#41 of 62 nationally
54 MW Black Liquor operating in Elk, PA — PJM Interconnection, LLC
EIAGEMWD
54 MW
Nameplate Capacity
1
Generators
unit
Wood/Wood Waste Biomass
Technology
1993
Operating Since
Location
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Domtar LLC | DOMTAR Corp [100%] | — |
| Owner(s) | Domtar LLC | Paper Excellence | — |
| Status | Operating | operating | — |
Ownership Chain
About
The Johnsonburg Mill is a 54 MW biomass power plant located in Elk County, Pennsylvania. The plant began operating in 1993 and has one generator. The primary fuel source is black liquor (BLQ), and the technology is classified as Wood/Wood Waste Biomass. The plant is owned by Paper Excellence, a company based in the Netherlands, and operated by Domtar LLC.
In the most recent year with available data, the Johnsonburg Mill generated 40,626 MWh of electricity, resulting in a capacity factor of 8.5%. The plant operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. Among biomass plants in Pennsylvania, the Johnsonburg Mill is ranked 1 of 1, and it is ranked 44 of 66 nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
115 kV
Regulatory Status
NR
Entity Type
Industrial
Sector
Industrial CHP
Generation
18.4K MWh
Latest Month
40.6K MWh
Annual Generation
8.5%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
PJM
LMP Node
50785
Pricing Hub
WESTERN HUB
Node Source
EIA-860 direct report
News & Articles (5)Beta
General
Paper City: Northern Pa. Paper Mill Has Sustained Generations of Families
The Domtar paper mill in Johnsonburg, PA has sustained generations of Steelworker families. 2300 Domtar workers enjoy good jobs protected by...
United Steelworkers·3 months ago
Industry·corporate
Paper City: Northern Pa. Paper Mill Has Sustained Generations of Families
The Domtar paper mill in Johnsonburg, PA has sustained generations of Steelworker families. 2300 Domtar workers enjoy good jobs protected by...
Domtar (operator)
United Steelworkers·3 months ago
Industry·corporate
Denis Mowrey
Denis A. Mowrey, 68, of Warren, passed away on August 24, 2018 at the Cleveland Clinic after a year-long illness. He is survived by his wife...
Denis Mowrey (other)
timesobserver.com·7 years ago
General
Domtar Spending $160M To Convert Paper Machine At Ark. Plant
Montreal-based Domtar converting paper machine to fluff pulp line that will make absorbents used in diapers. Domtar's paper mill in...
Canadian Manufacturing·11 years ago
Last updated 2026-03-26
View all 5 articles