Section

Interconnection

Queue actions, cluster study cycles and interconnection reform.

Order No. 2023 compliance filings differ on withdrawal penalties and deposits

Transmission providers have filed cluster study frameworks under Order No. 2023. The filings set out differing deposit and withdrawal penalty structures.

RM22-14-000Federal Energy Regulatory CommissionAug 08, 20264 min

Aug 08, 2026

PJM filings set study milestones for transition cycles one and two

PJM's filings record the closure of the serial queue and the schedule stated for the first cluster cycle.

  1. Aug 06, 202610:47 ET

    MISO Definitive Planning Phase assigns network upgrade cost estimates

    MISO's tariff describes the study steps in which network upgrade cost estimates are produced for projects in the cycle.

    MISO-DRPP-2025Midcontinent Independent System Operator3 min

  2. Aug 05, 202607:47 ET

    CAISO Cluster 15 rules limit study capacity by zone

    CAISO tariff revisions describe zonal capacity limits applied before projects enter study.

    CAISO-C15California Independent System Operator3 min

  3. Aug 04, 202604:47 ET

    SPP DISIS cycle assigns network upgrade responsibility

    SPP's tariff describes how the Definitive Interconnection System Impact Study allocates upgrade obligations among study participants.

    SPP-DRG-2025Southwest Power Pool3 min

  4. Aug 04, 202602:47 ET

    NYISO filing replaces Class Year with a cluster study process

    The filing describes how cost allocation groups are defined under the cluster study process compared with Class Year.

    NYISO-CP-2025New York Independent System Operator3 min

  5. Aug 03, 202608:47 ET

    ISO New England first cluster study lists projects and identified upgrades

    ISO-NE filings describe the study scope, the participating projects and the upgrades identified in the cluster.

    ISONE-CLUSTER-1ISO New England3 min

  6. Jul 28, 202609:47 ET

    Surplus interconnection service uses existing interconnection headroom

    Tariff provisions describe eligibility and the study path for surplus interconnection service.

    RM22-14-000Federal Energy Regulatory Commission3 min

  7. Jul 27, 202605:47 ET

    Filings distinguish executed interconnection agreements from energisation dates

    Interconnection agreements record an obligation; energisation records service. The documents report the two stages separately.

    NATIONALFederal Energy Regulatory Commission3 min

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