Query
Mill Creek 3
Type
Entity Briefing
Entity
Mill Creek 3
State
IL
Generated
2026-10-17T22:32:39.284Z

Briefing on Mill Creek 3

Entity Briefing
Generated Oct 17, 2026·Dataset freshness not reported
3 MW
Capacity
Standby
Current status
1903
Operating since
3
Generators
40.3%
Capacity factor
11 GWh
Annual generation
Briefing/plantStandby

Mill Creek 3 is a 3 MW Conventional Hydroelectric asset in CAISO (California), currently Standby.

Mill Creek 3 is reported in California since 1903 under Edison International. Available operating and financial measures include 40.3% capacity factor and 11 GWh annual generation; $1138/kW reported CapEx.

Location
San Bernardino, California
Technology
Conventional Hydroelectric
Owner / parent
Edison International
Operator
Southern California Edison Co
Grid
CAISO (California)
Plant ID
7147

What stands out

1

Mill Creek 3 is a 3 MW Conventional Hydroelectric asset in California with status Standby.

2

Latest annual operating measures report 40.3% capacity factor and 11 GWh annual generation.

3

Available financial measures include $40.9/MWh OpEx, $1138/kW CapEx.

4

Latest linked story: “Making the Electric Grid More Resilient to Extreme Weather” (Energized by Edison, 2021-11-02).

Market and operating context

ISO / market
CAISO (California)
Balancing authority
California Independent System Operator
NERC region
WECC
State rank
#198 of 247
National rank
#1064 of 1,462

Why it matters

For this asset in CAISO (California), 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.