Horsetail Falls
102.8 MW storage in Merced, CA · In queue since April 2023 · Proposed COD January 2028
102.8 MW
Capacity
1
Components
Battery
3y 1m
In Queue
Not Started
IA Status
COD target: 2028
Total Duration
4y 9m
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: 2028-01-31
The Horsetail Falls project is a proposed 102.8 MW battery storage project located in Merced County, California. Interconnection is requested through the CAISO queue, with queue ID CAISO-54881, and Pacific Gas & Electric (PGAE) is the utility. The project entered the queue on April 17, 2023, with a proposed commercial operation date of January 31, 2028. As of the latest data, the interconnection agreement (IA) status is "Not Started".
The proposed project consists solely of battery storage, with a total capacity of 102.8 MW. The point of interconnection (POI) is the Los Banos 230 kV substation. The Horsetail Falls project has appeared in recent news coverage regarding energy storage developments in California.
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
LOS BANOS 230 kV
Data Source
LBNL
- ISO / RTO
- CAISO
- Trading Hub
- TH_ZP26_GEN-APND
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- SNTANLA_6_N001
- POI Substation
- Los Banos 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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