HUMMINGBIRD ENERGY STORAGE
75 MW storage in Santa Clara, CA · In queue since April 2018 · Proposed COD September 2025
75 MW
Capacity
1
Components
Battery
8y 1m
In Queue
IA Executed
IA Status
Signed Apr 2021
Queue → IA
3 years
IA → COD
4y 5m
Total Duration
3 years
Schedule
7 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: 2025-09-25
The proposed HUMMINGBIRD ENERGY STORAGE project is a 75 MW battery storage development in Santa Clara County, California. Interconnection is being managed through the CAISO queue (queue ID CAISO-1454), with an entry date of April 16, 2018, and a proposed commercial operation date of September 25, 2025. The interconnection agreement for the project was executed on April 15, 2021. The point of interconnection is the Metcalf 115 kV substation.
The project is linked to the existing Hummingbird Energy Storage LLC operating plant (EIA plant ID 65395). The HUMMINGBIRD ENERGY STORAGE project has been mentioned in recent news coverage.
Generated from interconnection queue and public data sources
State
CA
County
Santa Clara
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
PGAE
Entity
CAISO
Service Type
—
Point of Interconnection
Metcalf 115 kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_ZP26_GEN-APND
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- MECCTG1_7_N100
- POI Substation
- Humminbird 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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