8/12/2019 Schedule Commissioning

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Activity ID Activity Name OriginalDuration

Start Finish %Complete

XCEL Integr

XCEL Integrated Startup for PUC 04-02-10 142 16-Jan-10 A 07-Aug-10XLXXSU1110 Ramp up Plant to Full load 10 16-Jan-10 A 31-Mar-10 A 100%

XLXXSU1480 Feedwater Heater level Tuning 30 1 8-Jan-10 A 04-Apr-10 90%

XLXXSU7370 BF Pumps Tuning 30 19-Jan-10 A 04-Apr-10 80%

XLXXSU2670 Boiler Combustion & Hot Air Testing 18 20-Jan-10 A 04-Apr-10 90%

XLXXSU1100 SCR Operation / Tuning 38 18-Feb-10 A 07-Apr-10 75%

XLXXSU1530 FGD Operation / Tuning 22 06-Mar-10 A 09-Apr-10 75%

XLXXSU1045 Start operation Steam Driven Boiler Feed Pump A 2 26-Mar-10 A 27-Mar-10 A 100%

XLXXSU8220 Ramp to 75% Load & MHI 8 hr Hold 1 2 6-Mar-10 A 27-Mar-10 A 100%

XLXXSU8240 Ramp to 100% Load 1 28-Mar-10 A 31-Mar-10 A 100%

X LXX SU 10 90 Fu ll Lo ad Co mbu st io n A dj us tme nt an d T un in g (7 5-1 00% loa d) 1 4 3 1-M ar- 10 A 1 3-A pr- 10 1 5%

XLXXSU1490 First Plant Full load 0 31-Mar-10 A 100%

XLXXSU1050 Safety valve Setting and Test 4 02-Apr-10 05-Apr-10 0%

XLXXSU2820 IN SERVICE DATE (Rate Base Inclusion Date) 0 05-Apr-10 0%XLXXSU1540 CEMS RATA at 3 load points 7 12-Apr-10* 18-Apr-10 0%

XLXXSU8210 Performance Testing - Sorbent Consumption 2 19-Apr-10 20-Apr-10 0%

XLXXSU3230 Performance Testing - Ash Handling Capacity 3 19-Apr-10 21-Apr-10 0%

XLXXSU3220 Alstom Emissions & Performance Guarantee Tests PTC 4 5 19-Apr-10 23-Apr-10 0%

XLXXSU1620 Performance Testing - Li me Reagent Usage & Bal of Tes ts 5 19-Apr-10 23-Apr-10 0%

XLXXSU1630 Performance Testing - Balance of Plant PTC 46 5 19-Apr-10 23-Apr-10 0%

XLXXSU1640 Performance Testing - Steam Turbine & FW Heater 5 19-Apr-10 23-Apr-10 0%

XLXXSU1650 Performance Testing - Heat Rejection System 5 19-Apr-10 23-Apr-10 0%

XLXXSU2780 Air Permit Emissions Testing 5 19-Apr-10 23-Apr-10 0%

XLXXSU1660 Performance Testing Complete for Substantial Completion 0 23-Apr-10 0%

XLXXSU8820 Install Noise Baffles in Stack 16 24-Apr-10* 09-May-10* 0%

XLXXSU2840 Strainer Removal Outage 16 24-Apr-10 09-May-10 0%

XLXXSU2440 SUBSTANTIAL COMPLETION 0 26-Apr-10 0%

XLXXSU8280 Additional Eqmt Tuning over Plant Load Range 21 10-May-10 30-May-10 0%

XLXXSU8300 Alstom Minimum Stable Load Test 2 11-May-10 12-May-10 0%

XLXXSU8290 Alstom Ramp Rate Guarantee 1 13-May-10 13-May-10 0%

XLXXSU1520 Runback Testing 8 14-May-10 21-May-10 0%XLXXSU3720 COMMERCIAL OPERATION 0 30-May-10 0%

XLXXSU2850 CEMS RATA Retest after Noise Baffles at 3 load points 7 01-Jun-10* 07-Jun-10 0%

XLXXSU1510 Remote Load Control Testing 4 08-Jun-10 11-Jun-10 0%

XLXXSU2790 Interconnection Guidelines / WECC Testing 10 08-Jun-10 17-Jun-10 0%

XLXXSU2450 Reliability Testing & Minimum Turndown 30 08-Jun-10 08-Jul-10 0%

XLXXSU2910 Punchlist and Closeout 60 08-Jun-10 07-Aug-10 0%

XLXXSU2470 Final Acceptance (Acceptance per Contract) 0 07-Aug-10 0%

Apr May Jun Jul Aug Sep

2010

Ramp up Plant to Full load

Feedwater Heater level Tuning

BF Pumps Tuning

Boiler Combustion & Hot Air Testing

SCR Operation / Tuning

FGD Operation / Tuning

Start operation Steam Driven Boiler Feed Pump A

Ramp to 75% Load & MHI 8 hr Hold

Ramp to 100% Load

Full Load Combustion Adjustment and Tuning (75-100% load)

First Plant Full load

Safety valve Setting and Test

IN SERVICE DATE (Rate Base Inclusion Date)CEMS RATA at 3 load points

Performance Testing - Sorbent Consumption

Performance Testing - Ash Handling Capacity

Alstom Emissions & Performance Guarantee Tests PTC 4

Performance Testing - Lime Reagent Usage & Bal of Tests

Performance Testing - Balance of Plant PTC 46

Performance Testing - Steam Turbine & FW Heater

Performance Testing - Heat Rejection System

Air Permit Emissions Testing

Performance Testing Complete for Substantial Completion

Install Noise Baffles in Stack

Strainer Removal Outage

SUBSTANTIAL COMPLETION

Additional Eqmt Tuning over Plant Load Range

Alstom Minimum Stable Load Test

Alstom Ramp Rate Guarantee

Runback TestingCOMMERCIAL OPERATION

CEMS RATA Retest after Noise Baffles at 3 load points

Remote Load Control Testing

Interconnection Guidelines / WECC Testing

Reliability Testing & Minimum Turndown

Punchlist and Closeout

Final Acceptance (Acceptance per Contract)

Actual Work

Remaining Work

Critical Remaining Work

Milestone

Page 1 of 1

LEVEL 2 CRITICAL PATH SCHEDULE

BYPASS OPERATION TO FINAL ACCEPTANCE

Date Revision Checked ApprovedApril 1, 2010

Attachment 1