SANDPIPER STORAGE
200 MW storage in Orange, CA · In queue since April 2019 · Proposed COD April 2026
200 MW
Capacity
1
Components
Battery
7y 1m
In Queue
IA Executed
IA Status
Signed Sep 2021
Queue → IA
2y 5m
IA → COD
4y 7m
Total Duration
2y 5m
Schedule
1 months past proposed COD
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: 6–18 months
Proposed COD: 2026-04-15
The SANDPIPER STORAGE project is a proposed 200 MW battery energy storage system located in Orange County, California. The project is interconnected within the California Independent System Operator (CAISO) region, specifically with San Diego Gas & Electric (SDGE) as the utility. It is listed in the CAISO interconnection queue as queue ID CAISO-1657, with an entry date of April 15, 2019, and a proposed commercial operation date of April 15, 2026.
The project's interconnection agreement (IA) has been executed as of September 9, 2021. The point of interconnection (POI) is the Talega Substation 138 kV. Recent news coverage has discussed the project, with articles categorized under industry and development.
Generated from interconnection queue and public data sources
State
CA
County
Orange
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
SDGE
Entity
CAISO
Service Type
—
Point of Interconnection
Talega Substation 138 kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_SP15_GEN-APND
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- PICO_1_N001
- POI Substation
- Talega 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.
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