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The Lake News Online
  • PSC opens docket regarding MISO/SPP seam In Missouri

  • The Missouri Public Service Commission (PSC) has opened a workshop docket to examine electric power transmission seams issues between Midcontinent Independent System Operator, Inc. (MISO) and Southwest Power Pool, Inc. (SPP).
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  • The Missouri Public Service Commission (PSC) has opened a workshop docket to examine electric power transmission seams issues between Midcontinent Independent System Operator, Inc. (MISO) and Southwest Power Pool, Inc. (SPP).
    In a Nov. 26, 2013 revised order, the PSC approved the application of Entergy Arkansas, Inc. (EAI) to transfer functional control of its Missouri transmission assets to MISO but identified issues involving the effect EAI's integration into MISO would have on certain Missouri utilities.
    Those issues involve Missouri's location along a seam between two regional transmission organizations (RTOs): SPP and MISO. Specifically the seam issues between SPP and MISO raised in the EAI case include: 1) Charges to transfer electricity across the seam between MISO and SPP; and 2) The methodology for evaluating, accounting for, and control of loop flows between Missouri RTO seams.
    The Commission noted that Missouri is in a unique position on seams issues with SPP and MISO as well as Associated Electric Cooperative, Inc. (which is not a member of any RTO), operating in Missouri.
    "This position allows and, to a certain extent, requires the Commission to consider the needs and decisions of members of all three organizations in order to fulfill the Commission's mission, which is to ensure safe and reliable service at just and reasonable rates," stated the Commission in a press release.
    The PSC is opening this workshop docket to address these seams issues and to explore policy solutions to ameliorate the negative effects of the RTO seams on Missouri ratepayers.
    The Commission invites MISO and SPP, stakeholders within those RTOs, interested utilities and the general public to submit written comments. After comments have been submitted, the Commission plans to schedule a workshop to discuss these matters further. In its order establishing this docket, there are a number of questions that the Commission is asking interested participants to address.
    The public is welcome to submit comments by forwarding electronic communications through the Commission's electronic filing and information system (EFIS) or by mailing written comments.
    You may submit electronic comments at the PSC's website, http://www.psc.mo.gov. Click on the EFIS/Case filings link on the left side of the page. Scroll down and click on the public comment link (Please reference File No. EW-2014-0156).
    Written comments in hard copy should be addressed to the Public Service Commission, P.O. Box 360, Jefferson City, Missouri 65102 (Please reference File No.EW-2014-0156).
    The Federal Energy Regulatory Commission (FERC) established RTOs to, among other things, implement regional electric transmission planning. The Missouri PSC regularly participates in the transmission planning activities of the two RTOs (SPP and MISO) that span Missouri to ensure their plans enhance the reliability of electric service at reasonable rates to Missouri electric customers and ratepayers.
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