SPIKES PEAK SOLAR
317.546 MW hybrid in Merced, CA · In queue since April 2021 · Proposed COD October 2029
317.546 MW
Capacity
2
Components
Solar + Battery
5y 1m
In Queue
System Impact Study
IA Status
COD target: 2029
Total Duration
8y 6m
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: 2029-10-18
The SPIKES PEAK SOLAR project is a proposed 317.55 MW hybrid solar and battery energy storage development in Merced County, California. The project, located within the CAISO region and interconnected with PG&E, consists of a 158.98 MW solar array coupled with a 158.57 MW battery energy storage system. It is listed in the CAISO interconnection queue as project CAISO-1958, with an entry date of April 15, 2021.
The proposed commercial operation date for SPIKES PEAK SOLAR is October 18, 2029. The project's interconnection status is currently in the System Impact Study phase. Recent news coverage indicates the project has been featured in at least five news articles related to grid infrastructure.
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
Quinto 230 kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_ZP26_GEN-APND
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- 2C577C1_7_N001
- POI Substation
- Quinto Substation
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.
Last updated 2026-03-26
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