HomeNews By TopicMidcontinent Independent System Operator (MISO)
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July 20, 2012
Approval of Entergy Texas, Inc.'s (ETI) application to join the Midwest ISO should be conditioned on exiting the Entergy System Agreement (ESA), Staff of the Public Utility Commission of Texas said in portions of testimony that have now been made public after initially being redacted (40346).
July 17, 2012
Net quantitative benefits of Entergy Texas, Inc. (ETI) joining the Midwest ISO are "small," and compel the Public Utility Commission of Texas to consider, "the un-quantified risks and qualitative costs and benefits of the transaction, such as the potential costs of transmission and ramifications in…
July 12, 2012
A group of capacity owners, desperate to overturn a FERC order addressing capacity obligations on load in the Midwest ISO market which the capacity owners oppose because it will not inflate capacity prices as desired, have now claimed FERC's order somehow "unduly discriminates" against retail choice…
June 12, 2012
FERC accepted, with modifications, revisions to the Midwest ISO's Module E resource adequacy construct, and while FERC improved in some territories MISO's original proposal with respect to the assignment of capacity obligations to retail suppliers in retail choice environments, FERC's approved…
May 11, 2012
The Midwest ISO, "may face an operational challenge in managing outage scheduling," as coal units are compelled to comply with the federal EPA's Mercury and Air Toxics Standards (MATS) rule, The Brattle Group found in a study released today .
May 1, 2012
Entergy Texas, Inc. filed its application at the PUCT (40346) to transfer operational control of its transmission assets to the Midwest Independent Transmission System Operator, Inc.
January 30, 2012
The Midwest ISO has filed with FERC tariff revisions to establish a Look Ahead Commitment tool, a near-term Resource commitment process in MISO's real-time markets.
January 19, 2012
The Midwest ISO has submitted tariff revisions to FERC to lower the credit requirements in the monthly Voluntary Capacity Auction (VCA) after determining that the current credit requirements are "excessive" based on historical pricing.
December 26, 2011
The Midwest ISO has submitted tariff revisions which it said will enable block loaded Generation Resources, Generation Resources dispatched at limits, and Emergency Demand Response (EDR) resources to be eligible to set Day-Ahead and/or Real-Time prices for Energy and Ancillary Services.
December 23, 2011
The Midwest ISO has filed changes to tighten mitigation of payments to generators under Revenue Sufficiency Guarantee (RSG) charges, and also proposed a new allocation for RSG costs from voltage and local reliability issues.
December 16, 2011
It would be "premature" to undertake a fundamental re-design of the Midwest ISO resource adequacy plan at this time, FERC said in denying rehearing on prior orders regarding the current "voluntary" monthly capacity auction in MISO (ER08-394).
December 5, 2011
Entergy Corporation and ITC Holdings Corp. announced this morning that the Boards of Directors of both companies have approved a definitive agreement under which Entergy will divest and then merge its electric transmission business into ITC.
November 10, 2011
PJM has sought a declaratory order from FERC to resolve uncertainty regarding how PJM should recover from its members the costs allocated to PJM by FERC for certain phase angle regulator (PAR) transmission facilities to be installed by International Transmission Company on ITC's transmission system…
October 17, 2011
The Midwest ISO filed an answer at FERC attempting to justify its capacity cost allocation method for states with retail choice, but its arguments were strained or simply puzzling.
October 6, 2011
The PUCT has authority to pre-approve deferred accounting sought by Entergy Texas, Inc. in relation to its proposed integration into the Midwest ISO only if Entergy Texas, "proves that such pre-approval is necessary in order for ETI to join an RTO so that the ETI service area can move towards a more…
October 5, 2011
A filing from the Midwest ISO Transmission Owners which purports to identify replacement suppliers for CMS Energy Resource Management Company load, for purposes of assigning Seams Elimination Charge Adjustment costs after FERC ruled that CMS was not responsible for such load, "is simply inadequate…
October 4, 2011
Ameren Energy Resources Company announced this morning that its Meredosia and Hutsonville merchant generation plants will cease operating by the end of 2011.
September 16, 2011
The treatment of load forecasting under the Midwest ISO's proposed revisions to its capacity mechanism, "places non-EDC LSEs in a competitively disadvantageous position that makes the tariff provisions unjust, unreasonable and unduly discriminatory," the Retail Energy Supply Association said in a…
September 12, 2011
In a pleading likely to fall on deaf ears at FERC (ER11-4081), the Illinois Commerce Commission expressed, "significant doubts that a centralized capacity market, as proposed by [the Midwest ISO], is necessary for the Midwest."
August 2, 2011
The Midwest ISO told Matters this afternoon that retail suppliers will pay the applicable capacity auction clearing price for any new load acquired as a result of switching under MISO's proposed modifications to its Module E resource adequacy construct.
July 22, 2011
In preparation for a July 28 PUCT workshop on issues related to the proposed integration of Entergy Texas (ETI) into the Midwest ISO, and issues related to several of the operating companies' exit from the Entergy system agreement, stakeholders submitted questions to Entergy to be addressed at the…
July 21, 2011
The Midwest ISO's formal tariff filing at FERC to implement revisions to its Module E resource adequacy construct, including the creation of an annual commitment period and central auction with opt-out provisions, still leaves many questions unanswered regarding the interaction of various elections…
July 4, 2011
FERC has ruled in favor of the Midwest ISO in an interpretation of the MISO-Southwest Power Pool Joint Operating Agreement (JOA) which is critical in the proposed integration of Entergy into MISO as a transmission owner (EL11-34).
June 23, 2011
Responding to the American Public Power Association's characterization of proposed changes to the Midwest ISO Module E resource adequacy construct, MISO emphasized several key differences in the MISO proposal versus the PJM Reliability Pricing Model.
June 17, 2011
FERC has approved without modification a settlement under which all claims that arose, or could have arisen, under the PJM-Midwest ISO Joint Operating Agreement (JOA) are released, and which imposes a one-year time limit for future claims arising under the JOA.
