Zion Energy Center — Plant Summary
- EIA Plant ID
- 55392
- Capacity
- 596.7 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combustion Turbine
- Status
- Operating
- Location
- Lake, IL
- Operating Since
- 2002
- Generators
- 3
- Operator
- Zion Energy LLC
- Parent Company
- Constellation Energy
- Annual Generation
- 363,610.01 MWh
- Capacity Factor
- 6.9%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- RFC
Zion Energy Center
OperatingNatural Gas
Ranked #14 of 70 Natural Gas plants in IL#401 of 2009 nationally
596.7 MW Natural Gas operating in Lake, IL — PJM Interconnection, LLC
EIAWD
596.7 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2002
Operating Since
Location
Coordinates
42.4776, -87.8950
County
Lake, IL
Nearby Plants
- Yeoman CreekSolar7 MW · 10.3 km
- WaukeganDistillate Oil112 MW · 12.4 km
- Pheasant Run Landfill Gas RecoveryLandfill Gas8.8 MW · 16.9 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Zion Energy LLC | Zion Energy | — |
| Owner(s) | Zion Energy LLC | Constellation Energy | — |
| Status | Operating | — | — |
Ownership Chain
About
Zion Energy Center is a 596.7 MW natural gas-fired power plant located in Lake County, Illinois. The plant began operating in 2002 and is owned by Constellation Energy. The operator listed with the EIA is Zion Energy LLC. The facility utilizes natural gas-fired combustion turbine technology across its three generators. Zion Energy Center is connected to the PJM Interconnection, LLC balancing authority and resides within the ReliabilityFirst Corporation (RFC) NERC region.
In the most recent year of reported data, Zion Energy Center generated 363,610 MWh of electricity, achieving a capacity factor of 6.9%. The plant is ranked as the 14th largest in Illinois out of 32 plants, and nationally it is ranked 405th out of 945 plants.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
345 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
10.8K MWh
Latest Month
363.6K MWh
Annual Generation
6.9%
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
282 ZION138 KV ZPSLF
Pricing Hub
N ILLINOIS HUB
Location Type
Generation Node
Node Source
Curated node match
News & Articles (10)Beta
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Constellation to Sell 4.4 GW of PJM Gas Power Assets to LS Power for $5B in Regulatory Divestiture
Competitive generation giant Constellation Energy has agreed to sell approximately 4.4 GW of natural gas–fired generation capacity in PJM Interconnection to LS Power Equity Advisors for $5 billion, marking the largest single tranche of divestitures required to resolve antitrust and market-power c...
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Constellation to sell 4.4GW of PJM assets to LS Power for $5B as part of Calpine acquisition
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Deals·m and a
Constellation to Sell 4.4 GW of PJM Gas Power Assets to LS Power for $5B in Regulatory Divestiture
Competitive generation giant Constellation Energy has agreed to sell approximately 4.4 GW of natural gas–fired generation capacity in PJM Interconnection to LS Power Equity Advisors for $5 billion, marking the largest single tranche of divestitures required to resolve antitrust and market-power c...
Constellation Energy (seller)LS Power (buyer)
POWER Magazine·1 weeks ago
Last updated 2026-03-14
View all 10 articles