1

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

May 14, 2015

2

2015 Project Update – Agenda

– Project Portfolio Update p. 3-5• Recent/Upcoming Project Highlights• 2015 Release Targets• 2015 Project Spending Update

– Appendix• Project Portfolio Gantt Chart

p. 7-15

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

3

Recent / Upcoming Project Highlights

• 2015 May Release In Flight– SCR779 – Increase to the CRR Auction Transaction Limit

• Targeting end of May go-live – watch for market notices

• 2015 June Release – 6/13/2015 In Flight– CMM Release

• NPRR559, NPRR597, NPRR601, NPRR639

• 2015 June Release – Week of 6/22/2015 In Flight– 2015 Market System Enhancements

• NPRR626, NPRR665, NPRR645, NPRR598, Max Shadow Price OBD– NPRR543 – Message for Confirmed E-Tags– NPRR589(b) – Ancillary Service Offers in the Supplemental Ancillary Services Market– SCR774(b) – Enhancement to Outage Scheduler and Reports– SCR775 – Posting Results of Real-Time Data in a Display Format

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 August8/10 – 8/14

September9/21 – 9/25

December12/7 – 12/11

NPRR500SCR772

SCR778

SCR779

NPRR559NPRR597NPRR601NPRR639

NPRR543NPRR589(b)NPRR598NPRR626NPRR645NPRR665SCR774(b)SCR775SCR779OBD

(Shadow Price Caps)

NPRR573SCR771

NPRR553NPRR573NPRR588NPRR595NPRR615

NPRR419NPRR495NPRR556RMGRR126RRGRR003

2 2 13 1 5 5

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

E

E

E

E

I

P

NS

P

NS

NS

NS

NS

NS

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

E

E

E

E

Aug 2014 Oct 2014 Dec 2014 Jan 2015 Feb 2015 Mar 2015 Apr 2015

NOGRR084 NPRR327 H NPRR272, SCR777 H NPRR210, NPRR664 NPRR493 NPRR256 NPRR568-ph2, NPRR644

E

E

E

E

E

E

E

E

E

Late May

6/13 (CMM) 6/22 – 6/26

5

2015 Project Spending Update

2015 project budget = $21.65M

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

Actual Actual Actual Actual Forecast Forecast Forecast 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 430,694 366,879 678,842 706,906 569,208 796,660 474,097 346,984 338,456 323,932 244,426 385,855 Not Started - - - - 92,204 117,188 142,115 183,742 272,090 278,937 318,814 289,816

Cumulative Total 430,694 797,573 1,476,416 2,183,322 2,844,734 3,758,581 4,374,794 4,905,519 5,516,064 6,118,934 6,682,173 7,357,845

In-Flight 1,126,686 1,069,811 1,000,603 1,080,772 6,403,549 1,828,089 1,075,644 508,363 605,211 646,650 597,322 560,364 Not Started - - - - 60,760 63,210 105,830 153,728 153,728 119,686 170,749 82,681

Cumulative Total 1,126,686 2,196,497 3,197,100 4,277,872 10,742,181 12,633,481 13,814,955 14,477,046 15,235,985 16,002,321 16,770,391 17,413,437

Cumulative Total 1,557,380 2,994,070 4,673,516 6,461,194 13,586,915 16,392,062 18,189,749 19,382,565 20,752,049 22,121,254 23,452,565 24,771,282

Tech

nica

l Fo

unda

tion

Capi

tal

Enha

ncem

ents

-

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

6

Business Integration Update – Appendix

– Appendix

• 4/30/2015 Project Gantt– In-flight items sorted by Project End Date– “On Hold” projects listed separately– “Not Started” items sorted by Project Start Date

7ERCOT Public

Project Portfolio Status – as of 4/30/2015

8ERCOT Public

Project Portfolio Status – as of 4/30/2015

9ERCOT Public

Project Portfolio Status – as of 4/30/2015

10ERCOT Public

Project Portfolio Status – as of 4/30/2015

11ERCOT Public

Project Portfolio Status – as of 4/30/2015

12ERCOT Public

Project Portfolio Status – as of 4/30/2015

13ERCOT Public

Project Portfolio Status – as of 4/30/2015

14ERCOT Public

Project Portfolio Status – as of 4/30/2015

15ERCOT Public