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Market Notice
May 24, 2019

REQUESTED ACTION

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CATEGORIES

Market Operations

System Operations

Capacity Procurement Mechanism Designation on 5/23/19

SUMMARY

The California ISO issued an Exceptional Dispatch Capacity Procurement Mechanism (CPM) designation to CSCGNR_1_UNIT 1 and DUANE_1_PL1X3 for a non-system reliability need. The designation is effective May 23, 2019.


MESSAGE

The ISO issued an Exceptional Dispatch CPM designation to address a non-system reliability need. Following a forced outage event, the ISO observed post-contingency thermal overloads on a 230 kV line for the loss of 500kV line in the Pacific Gas and Electric (PG&E) area. In order to relieve the overload, the ISO needed to Exceptionally Dispatch the specified quantities from these units to maintain reliability.

 

The ISO has designated the capacity identified below effective May 23, 2019 for a non-system reliability need. The CPM term is for 60 days under the tariff, subject to adjustment and the payment provisions set forth in the CPM tariff provisions.

 

Resource ID

MW

TAC Area

CSCGNR_1_UNIT 1

7.95

PGE

DUANE_1_PL1X3

130.1

PGE

 

The ISO will provide a designation report in accordance with tariff section 43A.6.2. The report will be available on the ISO website at http://www.caiso.com/market/Pages/ReportsBulletins/Default.aspx, under the Capacity procurement mechanism heading.

 


CONTACT INFORMATION

Kalyani Abhyankar at kabhyankar@caiso.com

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California Independent System Operator | P.O. Box 639014 | Folsom, CA 95630 | United States