Archive: December 4, 2018

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Making Room for Electric Storage: RTOs/ISOs Propose Changes to Their Market Rules to Comply with FERC Order 841

Making Room for Electric Storage: RTOs/ISOs Propose Changes to Their Market Rules to Comply with FERC Order 841

By Abraham F. Johns, William M. Keyser, and Toks A. Arowojolu

On December 3, 2018, the Regional Transmission Organizations (RTOs) and Independent System Operators (ISOs) filed proposed market rule changes to provide energy storage resources with greater opportunities to participate in the wholesale markets as required by Federal Energy Regulatory Commission (FERC) Order No. 841. These widely anticipated FERC filings will likely provide the framework for how energy storage resources will be developed and used in the coming years.

In February 2018, FERC released Order No. 841, which requires each regional grid operator to revise its tariff to establish a participation model that allows energy storage resources to participate in the organized wholesale markets and sell the relevant products offered by each market. K&L Gates covered the details of this Order in a blog post and in the Energy Storage Handbook.

FERC set a deadline for each RTO/ISO to submit a compliance filing including tariff revisions by December 3, 2018. We have provided links to the compliance filings for each RTO/ISO below. The deadline for public comments on the filings is December 24, 2018 by 5 p.m. Each RTO/ISO has until December 3, 2019 to implement the changes. Considering the holiday season, some commenters may request an extension on this comment deadline. We will continue to monitor the development of these proceedings.

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