Twinkle
303.95 MW storage in San Bernardino, CA · In queue since April 2023 · Proposed COD April 2031
303.95 MW
Capacity
1
Components
Battery
3y 1m
In Queue
Not Started
IA Status
COD target: 2031
Total Duration
8 years
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: 2031-04-01
The Twinkle project is a proposed 303.95 MW battery storage project located in San Bernardino County, California. The project is being developed within the CAISO region and is interconnected with Southern California Edison (SCE). It consists of a single 303.95 MW battery component.
The project is listed in the CAISO interconnection queue as entry CAISO-54943, with a queue entry date of April 17, 2023, and a proposed commercial operation date of April 1, 2031. As of the latest data, the interconnection agreement (IA) has not yet been started. The point of interconnection (POI) is the MIRA LOMA 230 kV substation. The project has been mentioned in recent news coverage related to regulatory matters.
Generated from interconnection queue and public data sources
State
CA
County
San Bernardino
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
SCE
Entity
CAISO
Service Type
—
Point of Interconnection
MIRA LOMA 230 kV
Data Source
LBNL
- ISO / RTO
- CAISO
- Trading Hub
- TH_SP15_GEN-APND
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- MIRALOMA_6_N001
- POI Substation
- Mira Loma 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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