Query
Upper Sterling
Type
Entity Briefing
Entity
Upper Sterling
Generated
2026-10-17T13:12:05.407Z

Briefing on Upper Sterling

Entity Briefing
Generated Oct 17, 2026·Dataset freshness not reported
2 MW
Capacity
Out of service
Current status
1988
Operating since
2
Generators
46.2%
Capacity factor
9 GWh
Annual generation
Briefing/plantOut of service

Upper Sterling is a 2 MW Conventional Hydroelectric asset in MISO (Midcontinent), currently Out of service.

Upper Sterling is reported in Illinois since 1988 under City of Rock Falls - (IL). Available operating and financial measures include 46.2% capacity factor and 9 GWh annual generation; $2294/kW reported CapEx.

Location
Whiteside, Illinois
Technology
Conventional Hydroelectric
Owner / parent
City of Rock Falls - (IL)
Operator
City of Rock Falls - (IL)
Grid
MISO (Midcontinent)
Plant ID
7474

What stands out

1

Upper Sterling is a 2 MW Conventional Hydroelectric asset in Illinois with status Out of service.

2

Latest annual operating measures report 46.2% capacity factor and 9 GWh annual generation.

3

Available financial measures include $2294/kW CapEx.

Market and operating context

ISO / market
MISO (Midcontinent)
Balancing authority
Midcontinent Independent Transmission System Operator, Inc..
NERC region
RFC
State rank
#7 of 9
National rank
#1180 of 1,462

Why it matters

For this asset in MISO (Midcontinent), operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.