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CAISO · California · Public-record retrospective

Lamont Substation 115 kV: interconnection queue history

Eight of eleven requests withdrew; three are still in the queue.

GridVision AI ResearchUpdated

Eleven interconnection requests since 2010: 8 withdrew and 3 remain active.

Built
0
Withdrawn
8
Still in queue
3

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
2010-01-06FRV CYGNUS SOLARSolar20 MWWithdrawn2010-04-19
2011-03-31REDWOOD SOLAR FARMSolar90 MWStill in queue
2015-04-30WHITE WOLF SOLARSolar100 MWWithdrawn2018-05-16
2020-04-15CRYSTAL FLATSSolar + battery103.455 MWStill in queue
2021-04-15BRECKENRIDGEBattery76.5 MWWithdrawn2023-01-17
2021-04-15EIGER ENERGY STORAGEBattery100.9 MWStill in queue
2021-04-15ESTRADA STORAGEBattery101.9 MWWithdrawn2022-12-19
2021-04-15THUNDERSolar + battery102.288542 MWWithdrawn2023-01-17
2023-04-17Driller StorageBattery102 MWWithdrawn2024-12-02
2023-04-17Urogallo StorageBattery207 MWWithdrawn2024-12-02
2023-04-17Eastside Plains Energy CenterSolar + battery392 MWWithdrawn2024-12-02

What the record shows

  • 1,102 MW of the 1,396 MW filed here withdrew.
  • The largest request filed here, 392 MW (solar + battery), withdrew 1.6 years after filing.
  • Four requests were filed on 2021-04-15; 3 withdrew and 1 remains active.
  • One of the 8 withdrawals came within a year of filing.
  • By technology, the requests here were battery 5, solar 3, solar + battery 3.
  • The longest-standing active request here was filed on 2011-03-31.
  • The dataset records this point of interconnection under six 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.
  • Three 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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