Ironwood LLC — Plant Summary
- EIA Plant ID
- 55337
- Capacity
- 777.6 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Lebanon, PA
- Operating Since
- 2001
- Generators
- 3
- Operator
- Helix Ironwood LLC
- Parent Company
- LS Power Development
- Annual Generation
- 4,899,051 MWh
- Capacity Factor
- 71.9%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- RFC
Ironwood LLC
OperatingNatural Gas
Ranked #19 of 70 Natural Gas plants in PA#261 of 2009 nationally
777.6 MW Natural Gas operating in Lebanon, PA — PJM Interconnection, LLC
EIAWD
777.6 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2001
Operating Since
Location
Coordinates
40.3509, -76.3658
County
Lebanon, PA
Nearby Plants
- Fort Indiantown GapSolar3 MW · 18.3 km
- Pine GroveLandfill Gas5.4 MW · 22.8 km
- TPE Pennsylvania Solar 1, LLCSolar3.6 MW · 24.2 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Helix Ironwood LLC | Helix Ironwood | — |
| Owner(s) | Helix Ironwood LLC | LS Power Development | — |
| Status | Operating | — | — |
Ownership Chain
About
Ironwood LLC is a 777.6 MW natural gas-fired combined cycle power plant located in Lebanon County, Pennsylvania. The plant began operating in 2001 and consists of 3 generators. It is owned by LS Power Development and operated by Helix Ironwood LLC. The plant is connected to the PJM Interconnection, LLC balancing authority and is within the RFC NERC region.
In the most recent year of data, Ironwood LLC generated 4,899,051 MWh of electricity, achieving a capacity factor of 71.9%. The plant ranks as the 17th largest in Pennsylvania out of 35 plants, and 266th nationally out of 945 plants. Recent news coverage of Ironwood LLC has focused on deals and industry trends.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue1 projectBeta
Ironwood
OperationalGas720 MWPJM
Generation
428.4K MWh
Latest Month
4.9M MWh
Annual Generation
71.9%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
AES Ironwood Substation · 230 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
659773
Pricing Hub
WESTERN HUB
Node Source
EIA-860 direct report
News & Articles (6)Beta
Deals·m and a
NRG Energy buys Ironwood power plant
The 760 megawatt combined-cycle gas turbine power plant in South Lebanon Township known as Ironwood is being acquired by Houston-based NRG...
NRG Energy (buyer)Ironwood (seller)
LebTown·10 months ago
Industry·corporate
The 'Dirty Dozen' of greenhouse gas polluters: See which Central PA sites made the list
New report finds nearly 13.5% of greenhouse gas pollution in Pennsylvania comes from the Midstate, mostly from power plants that burn fossil...
Pennsylvania (other)
Lebanon Daily News·2 years ago
Deals·m and a
TransCanada to sell $3.7B of merchant generation to finance pipeline acquisition
TransCanada has announced it plans to sell its U.S. Northeast Power business to private equity interests for a total of $3.7 billion.
TransCanada (seller)
Utility Dive·9 years ago
Deals·m and a
TransCanada Bought a Plant Only to Sell It Six Weeks Later
Six weeks ago, TransCanada Corp. closed a deal to buy a power plant in Pennsylvania.
TransCanada Corp. (buyer)Pennsylvania (other)
Bloomberg.com·10 years ago
Last updated 2026-03-14
View all 6 articles