1

Project Update and Summary of Project Priority List (PPL) Activity

September 10, 2015

2

2015 Project Update – Agenda

– Project Portfolio Update p. 3-7• Recent/Upcoming Project Highlights• 2015 Release Targets• 2016 Release Targets• 2015 Project Spending Update• Automated vs. Manual Process Criteria

– Appendix• Project Portfolio Gantt Chart

p. 8-14

Location of Project Priority List (PPL): http://www.ercot.com/services/projects/index

3

Recent / Upcoming Project Highlights

• 2015 August Release – Week of 8/17/2015 9/7/2015 In Flight– SCR771 – ERCOT System Change Allowing Independent Master QSE to Represent Split

Generation Resources• Last-minute defects delayed the release

• 2015 September Release – Week of 9/21/2015 In Flight– NPRR589(b) – Ancillary Service Offers in the SASM

• Settlements impacts only

• 2015 October Release – Week of 10/19/2015 In Flight– NPRR588 – Clarifications for PV Generation Resources– NPRR595 – RRS Load Resource Treatment In ORDC– NPRR615 – PVGR Forecasting– NPRR698 – Clarifications to NPRR595, RRS Load Resource Treatment In ORDC– NPRR706 – Restore the ability to use Physical Responsive Reserve Capability as an

Indicator of Available Frequency-Responsive Capacity– NPRR710 – Removal of ORDC Phase 2 Language and Modification to HASL Calculation

Note: Projected Go-Live dates are subject to change.Please watch for market notices as the effective dates approach.

4

2015 Release Targets – Board-Approved NPRRs / SCRs / xGRRs

ERCOT Public

Go-live dates can differ from Protocol effective dates – Please refer to market notices for more details

Release targets are subject to change

NPRR589(b) – S&B portionSCR774(b) – Addition of Comments field

(a), (b), etc. indicates multiple phases

Red Text: New additions and target release changes

Strike-Through Text: Previous target release changes

February2/2 – 2/12

March3/23 – 3/27

June September9/7 – 9/11

September9/21 – 9/25

December12/7 – 12/11

NPRR500SCR772

SCR778

SCR779

NPRR559NPRR597NPRR601NPRR639

NPRR543NPRR626NPRR645NPRR665SCR774(b)SCR775OBD

(Shadow Price Caps)

SCR771 NPRR589(b)NPRR698NPRR701

NPRR588NPRR595NPRR615NPRR698NPRR706NPRR710

NPRR419NPRR556NPRR573RMGRR126RRGRR003

2 2 11 1 8 5

2015 TBD Items (and month they became “TBD”)

E NS

I

I

NS

NS

Project Status Codes: NS = Not Started, I = Initiation, P = Planning, E = Execution, H = On Hold

Aug 2014 Oct 2014 Dec 2014 Jan 2015 Jun 2015

NOGRR084 NPRR327 H NPRR272, SCR777 H NPRR210, NPRR664 NPRR686

Late May

6/13 (CMM) 6/22 – 6/26

E

E

P

E

P

E

E

E

October10/19 – 10/23

5

2016 Release Targets – Board-Approved NPRRs / SCRs / xGRRs

ERCOT Public

Go-live dates can differ from Protocol effective dates – Please refer to market notices for more details

Release targets are subject to change

NPRR484(Ph1b) – Remaining Phase 1 itemsNPRR484(Ph2) – S&B portion of NPRR

(a), (b), etc. indicates multiple phases

Red Text: New additions and target release changes

Strike-Through Text: Previous target release changes

FebruaryDates TBD

MarchDates TBD

JuneDates TBD

AugustDates TBD

SeptemberDates TBD

DecemberDates TBD

NPRR515NPRR553NPRR617NPRR680NPRR686NPRR700

NPRR620NPRR662NPRR679NPRR683

EMS Upgrade

NPRR519 NPRR495 NPRR219NPRR439SCR783

SCR781

6 4 1 1 3 1

Project Status Codes: NS = Not Started, I = Initiation, P = Planning, E = Execution, H = On Hold

I

NS

I

PP

E

NS

I

NS

NS

NS

NS

NS

NS

NS

2016 TBD Items (and month they became “TBD”)

July 2015 August 2015

NPRR256, NPRR455, NPRR493

NS

May5/23 – 5/27

EMS Upgrade “Chill”

6

2015 Project Spending Update

2015 project budget = $21.65M

Reason: Minor Capital, Program Control and Common Infrastructure projects were re-allocated to areas who use those funds

`

Actual Actual Actual Actual Actual Actual Actual Forecast Forecast Forecast Forecast ForecastJan-15 Feb-15 Mar-15 Apr-15 May-15 Jun-15 Jul-15 Aug-15 Sep-15 Oct-15 Nov-15 Dec-15

In-Flight 429,740 346,663 400,839 559,005 688,367 652,079 608,110 755,306 624,049 714,616 487,188 561,172 Not Started - - - - - - - - 15,774 85,605 99,873 51,304

Cumulative Total 429,740 776,403 1,177,242 1,736,248 2,424,615 3,076,694 3,684,804 4,440,110 5,079,933 5,880,154 6,467,215 7,079,690

In-Flight 1,126,686 1,089,190 1,275,873 1,232,916 5,515,520 2,110,751 (193,047) 761,479 1,030,568 1,068,057 844,555 523,916 Not Started - - - - - - - - 66,155 66,155 66,155 2,324

Cumulative Total 1,126,686 2,215,876 3,491,749 4,724,665 10,240,185 12,350,936 12,157,889 12,919,368 14,016,091 15,150,303 16,061,012 16,587,252

Cumulative Total 1,556,426 2,992,279 4,668,991 6,460,913 12,664,800 15,427,630 15,842,693 17,359,478 19,096,024 21,030,457 22,528,227 23,666,942

Capi

tal

Enha

ncem

ents

Tech

nica

l Fo

unda

tion

-

5,000,000

10,000,000

15,000,000

20,000,000

25,000,000

30,000,000

Jan-15 Feb-15 Mar-15 Apr-15 May-15 Jun-15 Jul-15 Aug-15 Sep-15 Oct-15 Nov-15 Dec-15

Cap Enh In-Flight Cap Enh Not Started Tech Found In-Flight Tech Found Not Started Total Budget

7

2015 Project Update – Additional Discussion Item

– Automated vs. Manual Process Criteria

• See additional slide deck

8

2015 Project Update – Appendix

– Appendix

• 8/31/2015 Project Gantt– In-flight items sorted by Project End Date– “On Hold” projects listed separately– “Not Started” items sorted by Project Start Date

9ERCOT Public

Project Portfolio Status – as of 8/31/2015

10ERCOT Public

Project Portfolio Status – as of 8/31/2015

11ERCOT Public

Project Portfolio Status – as of 8/31/2015

12ERCOT Public

Project Portfolio Status – as of 8/31/2015

13ERCOT Public

Project Portfolio Status – as of 8/31/2015

14ERCOT Public

Project Portfolio Status – as of 8/31/2015