NOTICE DATE:  February 27, 2017

NOTICE TYPE:  W-A032916-05 Operations

SHORT DESCRIPTION:  RMR Study – Update for Greens Bayou Unit 5 – Notice of Termination of RMR Agreement

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  May 29, 2017

LONG DESCRIPTION:  On March 29, 2016, ERCOT received a Notification of Suspension of Operations (NSO) for the following Generation Resource:

• NRG Texas Power LLC (NRG) – GBY_GBY_5 (Greens Bayou Unit 5)

On May 27, 2016, pursuant to paragraph (5) of ERCOT Protocol Section 3.14.1.2, ERCOT issued a final assessment that Greens Bayou Unit 5 was needed for Reliability Must-Run (RMR) Service (See Market Notice W-A032916-03).  On June 14, 2016, the ERCOT Board of Directors (ERCOT Board) approved an RMR Agreement between ERCOT and NRG extending the term from June 1, 2016 through June 30, 2018.

On October 17, 2016, ERCOT completed additional studies for Greens Bayou Unit 5 incorporating newly approved Nodal Protocol Revision Request (NPRR) 788 criteria and confirmed that Greens Bayou Unit 5 was still needed to support ERCOT transmission system reliability until July 31, 2017 when the Colorado Bend II Generating Station was expected to become operational (See Market Notice W-A032916-04).  The most recent Generator Interconnection Status (GIS) Report (January 2017), posted on the Resource Adequacy page of ERCOT’s website, indicates that the Colorado Bend II Generating Station is now expected to become operational in June 2017. 

Pursuant to paragraph 1(l) of ERCOT Protocol Section 3.14.1, ERCOT must provide contemporaneous notice to all Market Participants of an elimination of an RMR Unit.  Based upon the October 2016 RMR studies, the January 2017 GIS Report and ERCOT’s judgment, ERCOT has provided NRG with notice of termination of the RMR Agreement for Greens Bayou Unit 5.  Such notice was provided today, February 27, 2017.  Section 3(A)(2) of the RMR Agreement requires ninety (90) days’ advance written notice to NRG and therefore the RMR Agreement will terminate on Monday, May 29, 2017.      

CONTACT:  If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via email at ClientServices@ercot.com.

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