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December 5, 2025

DER aggregation

OMS
OMS: MISO Contains Almost 17 GW of DERs
The Organization of MISO States estimates MISO is up to approximately 16.6 GW of distributed energy resources across its footprint, up 3 GW from 2024.
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FERC Requires Additional Z2 Filing from SPP
FERC directed SPP to submit a compliance filing for its proposal to unwind credit payment obligations assessed under Attachment Z2 of the SPP tariff for transmission service taken from 2008 to 2016.
ISO-NE
ISO-NE Faces Criticism over Accountability, DER Policy at Public Meeting

Several panelists and public commenters at the quarterly meeting of the ISO-NE Consumer Liaison Group criticized the RTO over its record on accountability and accessibility, as well as its policy related to distributed energy resources.

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FERC Rejects Voltus Appeal for Interim MISO Order 2222 Compliance
MISO is free to keep working toward its 2030 goal of fully incorporating aggregators of distributed energy resources into its markets without an interim participation option.
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MISO Discards Interim Participation Option from Order 2222 Plan
MISO announced it will scrap its plan to use an existing DR participation category to get aggregators of DERs participating on a limited basis a few years ahead of a full Order 2222 rollout in 2030.
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OMS Stresses Need for Data Coordination Under Order 2222; MISO Extends DER Task Force
The Organization of MISO States advised MISO that it needs a central data-sharing platform for the participation of DER aggregators in its wholesale market.
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Voltus Hires Its 2nd Former FERC Chair in Chatterjee
Former FERC Chair Neil Chatterjee is joining Voltus, where he will advise the firm as it engages in the implementation of Order 2222, which was issued under his chairmanship at the regulator.
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FERC Approves NYISO’s 10-kW Minimum for DERs in Aggregations
FERC approved NYISO’s proposed tariff revisions that set rules for distributed energy resources seeking to participate in its markets, including a 10-kW minimum for individual resources to be included in an aggregation.
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MISO Offers 2-stage Plan for DER Aggregations in Markets
MISO hopes it can use a two-step approach to Order 2222 compliance, first using a demand response category in 2026, with full market participation of aggregations of distributed resources still on the RTO’s original 2030 timeline that FERC refused last year.
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NYISO Defends 10-kW Minimum for DER Aggregation Participation
NYISO defended its proposal to set a 10-kW minimum requirement for distributed energy resources to participate in an aggregation. 

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