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CAISO · California · Public-record retrospective

Mira Loma Substation 230 kV: interconnection queue history

Eight of twelve requests withdrew; four are still in the queue.

GridVision AI ResearchUpdated

Twelve interconnection requests since 2020: 8 withdrew and 4 remain active.

Built
0
Withdrawn
8
Still in queue
4

The queue record

Every interconnection request the dataset records at this point of interconnection, in filing order.

Interconnection requests recorded at this point of interconnection, with request date, capacity and outcome.
RequestedProjectTechnologyCapacityOutcome
2020-04-15SWAN ESSBattery300 MWWithdrawn2021-04-26
2020-04-15ROADHOUSE STORAGEBattery312.96 MWStill in queue
2021-04-15LAS PILASBattery204.5175 MWWithdrawn2023-01-13
2021-04-15JACIVA ENERGY STORAGEBattery403.5 MWWithdrawn2023-01-13
2021-04-15MAGNOLIABattery405.656518 MWWithdrawn2022-12-07
2021-04-15MT BALDY ENERGY STORAGEBattery512.58 MWWithdrawn2024-07-01
2023-04-17Little HillBattery63.14 MWStill in queue
2023-04-17Mt Baldy Energy Storage 2Battery204.93 MWStill in queue
2023-04-17Lizard Spin Energy CenterBattery209 MWWithdrawn2024-12-02
2023-04-17Mule CarBattery227 MWWithdrawn2024-12-02
2023-04-17TwinkleBattery303.95 MWStill in queue
2023-04-17Marcus StorageBattery304 MWWithdrawn2024-12-02

What the record shows

  • 2,566 MW of the 3,451 MW filed here withdrew.
  • The largest request filed here, 513 MW (battery), withdrew 3.2 years after filing.
  • Six requests were filed on 2023-04-17; 3 withdrew and 3 remain active.
  • None of the 8 withdrawals came within a year of filing; the quickest took 1.0 years.
  • The longest-standing active request here was filed on 2020-04-15.
  • The dataset records this point of interconnection under four spellings, which are combined here.

What a decision record would have to make explicit

  • None of the resolved requests at this node reached operation, and the public record does not say why.
  • Four requests are unresolved, so the outcome counts at this node can still change.
  • The dataset records outcomes and dates, not reasons, so no cause is attributed to any outcome here.

What this does and does not show

This is a reading of a public dataset, not a customer case study: no engagement, customer or client is involved. The dataset records outcomes — what was built, what withdrew, and when — but not why any project withdrew, so no cause is attributed here. Nothing on this page claims GridVision predicted, influenced or would have changed any outcome, and a pattern at one point of interconnection does not generalise to another.

Source: Lawrence Berkeley National Laboratory, Queued Up: 2026 Edition — project-level interconnection queue dataset. Interconnection requests through year-end 2025. Used under CC BY 4.0; attribution to Lawrence Berkeley National Laboratory and GridTracker.

Related points of interconnection

How the CAISO process works today: CAISO interconnection queue. Comparing candidate nodes for a project? Read how to choose a point of interconnection.

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