ZETA
154.955 MW hybrid in Merced, CA · In queue since April 2020 · Proposed COD May 2027
154.955 MW
Capacity
2
Components
Solar + Battery
6y 1m
In Queue
IA Executed
IA Status
Signed Dec 2023
Queue → IA
3y 8m
IA → COD
3y 5m
Total Duration
3y 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 executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 18–30 months
Proposed COD: 2027-05-26
The ZETA project is a proposed hybrid solar and battery energy storage project located in Merced County, California. The development project has a total capacity of 154.95 MW, consisting of 77.48 MW of solar photovoltaic generation and 77.48 MW of battery energy storage. The project is interconnected within the California Independent System Operator (CAISO) queue as entry CAISO-1728, with a queue entry date of April 15, 2020.
The proposed commercial operation date for the ZETA project is May 26, 2027. The project's interconnection agreement (IA) has been executed as of December 17, 2023. The point of interconnection (POI) for the project is the Mercy Springs 70 kV substation. The interconnecting utility is Pacific Gas & Electric (PGAE).
Generated from interconnection queue and public data sources
State
CA
County
Merced
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
PGAE
Entity
CAISO
Service Type
—
Point of Interconnection
Mercy Springs 70 kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_ZP26_GEN-APND
- Hub Confidence
- LOW
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
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