South Willow
413.3 MW generation in Yolo, CA · In queue since April 2023 · Proposed COD December 2030
413.3 MW
Capacity
1
Components
Solar
2y 11m
In Queue
Not Started
IA Status
COD target: 2030
Total Duration
7y 8m
Interconnection request submitted to ISO/RTO
CAISO uses cluster studies where projects are batched annually and studied together.
Typical: 36–48 months (IR to IA)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2030-12-31
State
CA
County
Yolo
Region
CAISO
Developer
—
Utility
PGAE
Entity
CAISO
Point of Interconnection
RIO OSO 230 kV
Data Source
LBNL
Alliant Energy Brings Solar, Wind, and Energy Storage Projects To Iowa
Alliant Energy maintains a balanced mix of energy resources that keep costs low and lights on for 1 million customers in Iowa and Wisconsin.
Alliant Energy Brings Solar, Wind, and Energy Storage Projects To Iowa
Alliant Energy maintains a balanced mix of energy resources that keep costs low and lights on for 1 million customers in Iowa and Wisconsin.
Alliant Energy Brings Solar, Wind, and Energy Storage Projects To Iowa
Alliant Energy maintains a balanced mix of energy resources that keep costs low and lights on for 1 million customers in Iowa and Wisconsin.
Alliant Energy Brings Solar, Wind, and Energy Storage Projects To Iowa
Alliant Energy maintains a balanced mix of energy resources that keep costs low and lights on for 1 million customers in Iowa and Wisconsin.
Last updated 2026-03-26