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BATTERY STORAGE · CAISOSteel City Battery Storage
Steel City Battery Storage is a 675 MW battery storage request with a signed interconnection agreement in the CAISO interconnection queue, in Contra Costa County, California, connecting to PGAE.
Queue statusConsented
- PlanningQueued Apr 2020 (completed)
- ConsentedOct 2022 (current stage)
- Construction (not yet reached)
- OperatingTarget Mar 2029 (not yet reached)
- Closed (not yet reached)
Request details
- Queue ID
- 1705
- Grid region
- CAISO (California)
- Utility / transmission owner
- PGAE
- Connection point (POI)
- Pittsburg 230 kV
- Location
- Contra Costa County, California
- Technology
- Battery: 675 MW
- Total requested
- 675 MW
- Service type
- Energy only (ERIS)
- Study phase
- Executed
- Queue status
- Active
- Entered queue
- 15 April 2020
- Agreement signed
- 20 October 2022
- Proposed online date
- March 2029
Location
Marker shows the centre of Contra Costa County; the queue data does not give exact sites.
Power plants in California · Transmission lines in California
Other requests in Contra Costa County
- Delilah Energy StorageBattery storage · 504 MW · agreement signed
- Allegheny Energy StorageBattery storage · 353 MW · agreement signed
- Black Diamond ES2Battery storage · 179 MW · agreement signed
- Harmony Storage 2Battery storage · 308 MW · in study
- Sherman Energy StorageBattery storage · 256 MW · in study
- Gateway Generating Facility (Fka Contra Costa Power Plant Project)Gas · 590 MW · built
- Black Diamond Energy StorageBattery storage · 200 MW · built
- Marsh Landing Generation Station - Simple Cycle UnitsGas · 100 MW · built
- Los Medanos Energy CenterGas · 72.0 MW · built
- Buena Vista RepowerOnshore wind · 37.5 MW · built
- Columbia Solar Energy 2 Fka Columbia Solar Energy IISolar · 20.0 MW · built
- Vasco Wind ProjectOnshore wind · 3.1 MW · built
Source: Lawrence Berkeley National Laboratory, Queued Up, data through end of 2025, compiled from ISO/RTO and utility queues. Check the grid operator's own queue for the latest status. Report a problem