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16 MW Hydro out of service in Will, IL — PJM Interconnection, LLC
16 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1999
Operating Since
Coordinates
41.5697, -88.0789
County
Will, IL
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Metro Wtr Recl Dist Grtr Chi | — | — |
| Owner(s) | Metro Wtr Recl Dist Grtr Chi | — | — |
| Status | Out of service | — | — |
The Lockport Powerhouse is an American run-of-the-river dam used by the Metropolitan Water Reclamation District of Greater Chicago to control the outflow of the Sanitary and Ship Canal and limit the diversion of water from Lake Michigan into the Des Plaines River.
Read more on WikipediaLockport Powerhouse is a 16 MW hydroelectric generating station located in Will County, Illinois. The plant began operating in 1999 and is owned and operated by Metro Water Reclamation District of Greater Chicago. It utilizes conventional hydroelectric technology and is fueled by water (WAT). The facility consists of two generators.
Lockport Powerhouse operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. In the state of Illinois, it ranks as the largest of eight hydroelectric plants. Nationally, it is ranked 535 out of 1464 hydroelectric facilities. The plant's latest annual generation was 15,559 MWh, resulting in a capacity factor of 11.2%.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
2.2K MWh
Latest Month
15.6K MWh
Annual Generation
11.2%
Capacity Factor
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $36.7M
Market Position
ISO/RTO Market
PJM
LMP Node
456 JOL 138 KV TR71 12
Pricing Hub
N ILLINOIS HUB
Location Type
Load Node
Node Source
Curated node match
Last updated 2026-03-26
View all articlesNo ask pi reports yet for this entity.
ask pi about Lockport PowerhousePJM Interconnection, LLC (PJM)
Grid Voltage
6.5 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Municipal
Sector
IPP Non-CHP