WEIM

Western Energy Imbalance Market (also known informally as EIM since it was the first EIM in the region. Not to be confused with SPP’s Western Energy Imbalance Service – which is a separate EIM)

WGG joins other PIOs in support of EDAM tariffs September 25, 2023
Comments submitted in Docket No. ER23-2686 proceeding.
PIOs and WGG file joint comments on Pathway Initiative September 11, 2023
Western Grid Group, Western Resource Advocates (WRA), Renewable Northwest, Sustainable FERC Project (S-FERC), Northwest Energy Coalition and Environmental Defense Fund filed joint comments on West-Wide Governance Pathway Initiative a proposed entity, governed independently, that can deliver market services throughout the West, including California.
WGG & PIOs comment on CAISO draft summary report on Initiative: Assembly Concurrent Resolution 188 February 3, 2023
PIOs including WGG filed comments on CAISO draft summary report, “Impacts of Expanded Regional Cooperation on California and the Western Grid Draft Report for Stakeholder Review”
WGG joins other PIO submitting comments on Initial Evaluation Framework for Pathway Options January 12, 2023
Comments were submitted by WGG, WRA, NWEC, RNW, EDF & UCS responding to the West-Wide Governance Pathway Initiative Initial Evaluation Framework for Pathways Options, dated December 15, 2023
WGG and NGOs write US Dept. of Commerce to reject the Auxin Solar Tariff Petition June 22, 2022
WGG, Utah Clean Energy, Western Resource Advocates, NW Energy Coalition and +350 Bay Area wrote a letter to Secretary Raimondo recommending a decisive rejection of a tariff that hinders solar development.
WGG Submits Comments : Challenges PURPA Proposal in Arizona December 13, 2018
In its comments, WGG requested that the filings be rejected due to the fact there has been no opportunity for public comment on this issue and no demonstration of the need for changes proposed. Review the comments as submitted here.
WGG and other WCEA groups send letter to Commissioners, Chairs, and Leadership of FERC, WECC, and NERC June 8, 2018
On August 6, 2018, Western Grid Group, Sierra Club, DL Energy, Gridworks, Western Resource Advocates, NW Energy Coalition, Vote Solar and Natural Resources Defense Council sent a letter to Commissioners, Chairs, and Leadership of FERC, WECC, and NERC regarding the future of a Western Interconnection with multiple reliability coordinators. The groups expressed their concerns and recommendations regarding the likely potential of a future for the Western Interconnection that will involve the management and coordination of multiple Reliability Coordinators.
PIO Comments on FERC Essential Reliability Services and the Evolving Bulk Power Systems – Primary Frequency Response January 24, 2017
WGG joined other Public Interest Organizations in filing comments to FERC on Docket No. RM16-6-000 FERC-2016-1609: FERC Essential Reliability Services and the Evolving Bulk Power Systems – Primary Frequency Response.

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