BLACK DIAMOND ES2
179.4 MW storage in Contra Costa, CA · In queue since April 2021 · Proposed COD June 2031
179.4 MW
Capacity
1
Components
Battery
5y 1m
In Queue
System Impact Study
IA Status
COD target: 2031
Total Duration
10y 2m
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: 2031-06-18
The proposed BLACK DIAMOND ES2 project is a 179.4 MW battery storage development in Contra Costa County, California. It is located within the CAISO region and is interconnected with Pacific Gas & Electric (PGAE) at the Pittsburg 230 kV point of interconnection. The project entered the CAISO interconnection queue as queue ID CAISO-1914 on April 15, 2021.
The BLACK DIAMOND ES2 project has a proposed commercial operation date of June 18, 2031, and its interconnection status is currently in the System Impact Study phase. The project consists entirely of battery storage, with a total capacity of 179.4 MW. The project is currently listed as active within the CAISO queue.
Generated from interconnection queue and public data sources
State
CA
County
Contra Costa
Grid Region
CAISO (California)
Market
ISO/RTO Member
Developer
—
Utility
PGAE
Entity
CAISO
Service Type
—
Point of Interconnection
Pittsburg 230 kV
Data Source
LBNL + Live
- ISO / RTO
- CAISO
- Trading Hub
- TH_NP15_GEN-APND
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- PITTES1_2_N007
- POI Substation
- Pittsburg 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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