1. Texas Nodal Program Current Schedule and Recent Changes
Tim Pare
PMO
TPTF Meeting
August 27, 2007

2. Original schedule for completion of Baseline 0 pre-FAT – Oct 24, 2008
MMS vendor has proposed delivering the balance of MMS in multiple drops, rather than one, to incorporate Baseline 1 & 2 – we are re-negotiating scope and schedule to suit our EDS demands
ABB Deliveries1
Components
Revised date
Documentation & integration artifacts
Components to enable integration efforts to progress:
Interface specifications (including XSD, WSDL, DDL/table scripts)
Interface tables
Oct 24, 07
MMS 2
Components to enable start of EDS 4 activities:
DAM, HRUC, DRUC, SFT, PCD, SCED+, MI, CIM importer (without extensions)
Dec 01, 07 FAT Start
(Original Oct 24, 07)
The following software drops from the vendor are still under negotiation
MMS 2a
Components to enable testing of SASM
CIM Importer (with extensions), SASM
Feb 01, 08 FAT Start
MMS 3
Balance of MMS components:
CCT, NSLR, WRUC, DC Tie, VDI
Mar 31, 08 FAT Start
1MMS 1 – Accelerated SCED, delivered on schedule
Multiple parallel tracks are proposed:
Documentation
Functional development
Interfaces
CIM Model
MIS Reports
MMS UI (Operator interface, MP interface)
Test procedure/data review
User guide
Training
Original schedule for completion of Baseline 0 pre-FAT – Oct 24, 2008
August 13-14, 2007
Texas Nodal Program Update

3. Working to minimize the impact of MMS schedule on EDS 4 - Illustrative
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Market Management System (MMS)
Design, Interface defn
MMS 2
MMS 2 a
MMS 3
Final FAT
MP Web Services
Enterprise Integration (EIP)
MMS – EMS Interface
MMS – Settlements Interfaces
EDS 4
DAM, RUC Rules
Validation
DAM, RUC with
EMS/NMMS
MMS with
Settlements & Reports
168 Hour Test
Integration priorities being re-defined to suit MMS deliveries
Phased approach for EDS 4 to match the Transition Plan objectives and to synchronize with MMS deliveries
August 13-14, 2007
Texas Nodal Program Update

4. The program schedule is based on 9 integrated Releases (linked to EDS) – with component FAT driving the front-end timeline
EDS 1 Releases
Release#
Components
Current FAT start
Current FAT End
Delta from baseline
Release 1
EMS 1 – Base AREVA Product
N/A
Feb 1, 2007
Completed on schedule
Release 2
EMS 2a – ICCP upgrade
May 01, 2007
May 14, 2007
EDS 1 itself started on time and is scheduled to complete by Oct 30, 2007 with one MP exception
August 13-14, 2007
Texas Nodal Program Update

5. The program schedule is based on 9 integrated Releases (linked to EDS) – with component FAT driving the front-end timeline
EDS 2 Releases
Release#
Components
Current FAT start
Current FAT End
Delta from baseline
Release 3
EMS 2b – State Estimator and Telemetry Stats, SPS/RAP
Jun 13, 2007
Jul 13, 2007
Completed 8 days behind on 7/21/2007
EMS 2c – State Estimator, Network Security Analysis upgrades
Aug 20, 2007
Aug 31, 2007
Accelerated start by 6 days (currently in progress)
EDW 1 – State Estimator and Telemetry reporting ?
Delayed by AIX migration re-planning
Release 4
NMMS 1 – CIM Model
Jun 05, 2007
Jun 25, 2007
Completed on schedule
NMMS 2 – UI, NOMCR, Case Builder
Oct 01, 2007
Oct 15, 2007
Planned on schedule
EMS –NMMS to EMS/MMS interface (CIM importer)
Jan 15, 2008
Working with vendor teams to resolve issues
EIP 1 – File exchange monitoring
Feb 05, 2008
Mar 10, 2008
EDS 2 Release 3 (State Estimator Tuning and Verification) scheduled to start (on time) Sep 4, 2007 – although with an interim solution for delivery of SE Reports
EDS 2 Release 4 (Network Model Verification) scheduled to start (on time) Nov 1, 2007
August 13-14, 2007
Texas Nodal Program Update

6. The program schedule is based on 9 integrated Releases (linked to EDS) – with component FAT driving the front-end timeline
EDS 3 Releases
Release#
Components
Current FAT start
Current FAT End
Delta from baseline
Release 5
MMS 1 – Accelerated SCED
May 01, 2007
Jun 01, 2007
Completed on schedule
EMS 2c – RLC, SCED Interfaces
Aug 20, 2007
Aug 31, 2007
Accelerated start by 6 days
MIS – Links to apps, EDW, Public Data, Search
Sep 10, 2008
Sep 30, 2008
Forecast on schedule
REG 1 – Registration for MPs
Zonal Go-Live complete
EDW 2 – SCED Reporting ?
Currently re-planning
S&B 1 – CMM Base Product, Stmt Formats
Aug 01, 2007
Forecast on Schedule
EIP 3 – Interfaces for SCED
June 11, 2007
Oct 25, 2007
MMS verifiable costs & Reports delayed until 9-28
Release 6
EMS 3 – Load Frequency Control, MTLF ported from Zonal
Oct 09, 2007
Nov 05, 2007
EIP 4 – MMS to EMS Interfaces
Nov 9, 2007
Dec 17, 2007
EDW 3– LFC Reports
Release 7
CRR – All components to run CRR market, CRR Allocations, Auctions, Bilateral Trades
Sep 26, 2007
Jan 21, 2008
EIP 5 – CRR Interfaces
Jan 29, 2008
EDW 4 – CRR Reports
EDS 3 started, Aug 24, 2007 (with Release 5 phase 1)
SCED integrated with EMS, will be released to the EDS by Nov 01, 2007
Currently detailing CRR and LFC EDS plans by working with ERCOT business and Market Participants
August 13-14, 2007
Texas Nodal Program Update

7. The program schedule is based on 9 integrated Releases (linked to EDS) – with component FAT driving the front-end timeline
EDS 4 Releases
Release#
Components
Current FAT start
Current FAT End
Delta from baseline
Release 8
S & B 2 – Full Settlements & Billing, Statements & Invoices, CMM Customs, Lodestar
Oct 01, 2007
Dec 15, 2007
Forecast on schedule
EIP 6 – All Settlements Interfaces
Sep 17, 2007
Mar 04, 2008
Re-planning to support MMS and CRR deliveries
EDW 5 – Shadow Settlements ?
Currently re-planning
Release 9
MMS 2 - DAM, HRUC, DRUC, SFT, PCD, SCED+, MI, CIM importer
Dec 01, 2007
MMS 2 a - CIM Importer (w/ext) , SASM
Feb 01, 2008
MMS 3 - Balance of MMS components: CCT, NSLR, WRUC, DC Tie, VDI
Mar 31, 2008
Outage Scheduler
Jan 21, 2008
Forecast 45 days delay
S & B 3 – Financial Transfer, Interfaces with Settlements and Finance
Jan 01, 2008
Mar 01, 2008
EMS 4 – MTLF, LTLF, RPP
Jan 25, 2008
Feb 22, 2008
Re-planning to support MMS
EDW 6 - DAM Reporting
EIP 7 – Remaining MMS interfaces
Oct 22, 2007
Mar 26, 2008
EMS 5 – Study Apps, Voltage Support, Outage Evaluation
Mar 24, 2008
Apr 11, 2008
S & B 4 – Disputes
Jun 01, 2008
EDS 4 scheduled to start, early, Jan 2008 (with Bids and Offers Validation)
August 13-14, 2007
Texas Nodal Program Update

8. Time line update August 13-14, 2007 Texas Nodal Program Update
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Network Model Management System (NMMS)
CIM
UI, NOMCR
EDS 2 FAT
Energy Management System (EMS)
ICCP Upgrade
SE & Telemetry
SCED Interfaces, RLC
LFC
CIM Importer
RPP, LF
Study Apps
Market Management System (MMS)
RT FAT
DAM, RUC, SASM Build and BL 1 & 2 changes
DAM, RUC, SASM , CIM FAT
VDI, DC Tie
Congestion Revenue Rights (CRR)
FAT
Key
FAT Start
FAT end
EDS Start
EDS End
Go-Live
Enterprise Integration (EIP)
SCED, CRR Interfaces Build and FAT
DAM, RUC, SASM S&B Interfaces Build and FAT
Commercial Systems (COMS)
CMM
S&B Build
S&B FAT
Financial Transfer FAT
Disputes FAT
Acronym Key
FAT – Factory Acceptance Testing
EDS – Early Delivery System
I test – Integration Testing
Market Information System (MIS)
FAT
Currently re-planning
Enterprise Data Warehouse (EDW)
Currently re-planning
Build ITest & EDS1/2
Build EDS 3
Build EDS 4 and Fail-Over Envy
Infrastructure (INF)
Build Dev Environments
Build ITest
EDS 1
168 Hour Trials
EDS 2
EDS
EDS 3
EDS 4
CRR Auction
10/15
RT Market
12/01
DA Market
12/08
Readiness
Metrics
Start MP
Registration
Single Entry Model
3/31/
ERCOT / MP Readiness & Implementation
Today
August 13-14, 2007
Texas Nodal Program Update