Shortened RTM Settlement Timeline (NPRR509) Transition Plan- Phase 2

Matt Tozer / Ohlen Genove

CSWGJuly 15, 2013

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Review of NPRR509

•Reduce posting date for RTM Initial Settlement Statement from 9 days after Operating Day to 7 days after Operating Day

•Reduce posting date for RTM Final Settlement Statement from 59 days after Operating Day to 57 days after Operating Day

•COPS recommended 2-phased approach

•Approved by BOD on March 19, 2013

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Phased Implementation of NPRR509

Phase 1• RTM Initial posting on Operating Day + 8• Started with the first of the month after BOD approval

• Operating Day April 1, 2013

Phase 2• RTM Initial posting on Operating Day + 7• RTM Final posting on Operating Day + 57• Recommendation to start 4 months after implementation

• Operating Day August 1, 2013

NOTE: COPS and TAC both recommended moving forward with Phase 2 implementation

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Phase 2 – RTM Initial Operating Day + 7

Thursday posting includes 2 RTM Initial Statements instead of the usual 1 RTM Initial Statement

8/5/2013 (M)

8/6/2013 (T)

8/7/2013 (W)

8/8/2013 (Th)

8/9/2013 (F)

Statements

DAM 8/1 DAM 8/2 - 8/4 DAM 8/5 DAM 8/6 DAM 8/7

Initial 7/26 – 7/28 Initial 7/29 Initial 7/30 Initial 7/31 – 8/1 Initial 8/2

Final 6/5 – 6/7 Final 6/8 Final 6/9 Final 6/10 Final 6/11

TrueUp 2/4 – 2/6 TrueUp 2/7 TrueUp 2/8 TrueUp 2/9 TrueUp 2/10

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Phase 2 – RTM Initial Protocol Language

9.5.4 RTM Initial Statement

ERCOT shall issue an RTM Initial Statement for each Statement Recipient for a given Operating Day on the seventh day after the Operating Day, unless that seventh day is not a Business Day. If the seventh day is not a Business Day, then ERCOT shall issue the RTM Initial Statement on the next Business Day after the seventh day. Withstanding the above, for Operating Days that are observed holidays as defined in paragraphs (e) and (f) within the definition of Business Day in Section 2.1, Definitions, ERCOT shall issue an RTM Initial Statement for each Statement Recipient on the eighth day after the Operating Day, unless that eighth day is not a Business Day. If the eighth day is not a Business Day, then ERCOT shall issue the RTM Initial Statement on the next Business Day after the eighth day.

Starting Operating Day August 1, 2013

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Protocol Section 2 – Business Day

Business Day

Monday through Friday, excluding observed holidays listed below:

(a) New Year’s Day;

(b) Memorial Day;

(c) Independence Day;

(d) Labor Day;

(e) Thanksgiving Thursday and Friday; and

(f) Two days at Christmas, as designated from time to time by the ERCOT CEO.

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Phase 2 – Holiday OD = RTM Initial Operating Day + 8

ERCOT Holidays OD + 8 OD +8 Day Post Date

9/2/2013 9/10/2013 Tuesday 9/10/2013

11/28/2013 12/6/2013 Friday 12/6/2013

11/29/2013 12/7/2013 Saturday 12/9/2013

12/24/2013 1/1/2014 Wednesday 1/2/2014

12/25/2013 1/2/2014 Thursday 1/2/2014

1/1/2014 1/9/2014 Thursday 1/9/2014

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Phase 2 – Holiday OD = RTM Initial Operating Day + 8

Labor Day 2013

ERCOT Holidays OD + 8 OD +8 Day Post Date

9/2/2013 9/10/2013 Tuesday 9/10/2013

9/9/2013 (M)

9/10/2013 (T)

9/11/2013 (W)

9/12/2013 (Th)

9/13/2013 (F)

Statements Initial 8/31 – 9/1 Initial 9/2 - 9/3 Initial 9/4 Initial 9/5 Initial 9/6

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Phase 2 – Holiday OD = RTM Initial Operating Day + 8

Thanksgiving 2013

ERCOT Holidays OD + 8 OD +8 Day Post Date

11/28/2013 12/6/2013 Friday 12/6/2013

11/29/2013 12/7/2013 Saturday 12/9/2013

12/2/2013 (M)

12/3/2013 (T)

12/4/2013 (W)

12/5/2013 (Th)

12/6/2013 (F)

Statements Initial 11/21 – 11/25 Initial 11/26 Initial 11/27 Initial 11/28

12/9/2013 (M)

12/10/2013 (T)

12/11/2013 (W)

12/12/2013 (Th)

12/13/2013 (F)

Statements Initial 11/29 – 12/2 Initial 12/3 Initial 12/4 Initial 12/5 Initial 12/6

Note: No RTM Initial statements issued on 12/5

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Phase 2 – Holiday OD = RTM Initial Operating Day + 8

Christmas 2013

ERCOT Holidays OD + 8 OD +8 Day Post Date

12/24/2013 1/1/2014 Wednesday 1/2/2014

12/25/2013 1/2/2014 Thursday 1/2/2014

12/30/2013 (M)

12/31/2013 (T)

1/1/2014 (W)

1/2/2014 (Th)

1/3/2014 (F)

Statements Initial 12/21 – 12/23 Holiday Initial 12/24 – 12/26 Initial 12/27

Note: No RTM Initial statements issued on 12/31

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Phase 2 – RTM Final: from OD+59 to OD+57

February 10, 2009

  OD + 59   OD + 57  Operating Day RTM Final Posting   RTM Final Posting  7/24/2013 9/23/2013 Mon    7/25/2013 9/23/2013 Mon    7/26/2013 9/23/2013 Mon    7/27/2013 9/24/2013 Tue    7/28/2013 9/25/2013 Wed    7/29/2013 9/26/2013 Thu    7/30/2013 9/27/2013 Fri    7/31/2013 9/30/2013 Mon    8/1/2013 9/30/2013 Mon 9/27/2013 Fri8/2/2013 9/30/2013 Mon 9/30/2013 Mon8/3/2013 10/1/2013 Tue 9/30/2013 Mon8/4/2013 10/2/2013 Wed 9/30/2013 Mon8/5/2013 10/3/2013 Thu 10/1/2013 Tue8/6/2013 10/4/2013 Fri 10/2/2013 Wed8/7/2013 10/7/2013 Mon 10/3/2013 Thu8/8/2013 10/7/2013 Mon 10/4/2013 Fri8/9/2013 10/7/2013 Mon 10/7/2013 Mon8/10/2013 10/8/2013 Tue 10/7/2013 Mon

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Phase 2 – RTM Final Operating Day + 57

9/26/2013 (Th)

9/27/2013 (F)

9/30/2013 (M)

10/1/2013 (T)

Statements

DAM 9/24 DAM 9/25 DAM 9/26 DAM 9/27 – 9/29

Initial 9/19 Initial 9/20 Initial 9/21 – 9/23 Initial 9/24

Final 7/29 Final 7/30, 8/1 Final 7/31, 8/2 – 8/4 Final 8/5

TrueUp 3/30 TrueUp 3/31 TrueUp 4/1 – 4/3 TrueUp 4/4

Friday posting includes 2 RTM Final statements instead of the usual 1 RTM Final statement Due to new schedule, 8/1 RTM Final posts earlier than 7/31 RTM Final Monday posting includes 4 RTM Final statements instead of the usual 3 on Mondays

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Key Dates on Transition – Phase 2

RTM Initial for Operating Day 8/1/2013 posts on 8/8/2013 RTM Final for Operating Day 8/1/2013 posts on 9/27/2013

Note: No RTM Initial Statement posted on 12/5/2013 and 12/31/2013

Settlement Calendar to be updated by end of July 2013