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777.6 MW Natural Gas operating in Lebanon, PA — PJM Interconnection, LLC
777.6 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2001
Operating Since
Coordinates
40.3509, -76.3658
County
Lebanon, PA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Helix Ironwood LLC | Helix Ironwood | — |
| Owner(s) | Helix Ironwood LLC | LS Power Development | — |
| Status | Operating | — | — |
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
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
428.4K MWh
Latest Month
4.9M MWh
Annual Generation
71.9%
Capacity Factor
CO₂ Intensity
871 lb/MWh
NOx
0.089 lb/MWh
SO₂
2013
$965/kW
Est. Construction Cost
Total estimated cost: $750.5M
Point 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
Last updated 2026-03-14
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ask pi about Ironwood LLCPJM Interconnection, LLC (PJM)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
0.004 lb/MWh
CH₄
0.016 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
62.3%
Annual Net Gen
4242 GWh
CO₂eq
872 lb/MWh
Subregion
RFC East