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Market Simulation - Fall 2015 Release Christopher McIntosh Lead Market Simulation Coordinator Fall 2015 Release August 10, 2015 Agenda ISO Market Simulation Support Fall 2015 Market Simulation Initiatives and Timelines Fall

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Market Simulation - Fall 2015 Release

Christopher McIntosh Lead Market Simulation Coordinator Fall 2015 Release August 10, 2015

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Agenda

ISO Market Simulation Support
Fall 2015 Market Simulation Initiatives and Timelines
Fall 2015 MAP Stage Availability
EIM Nevada Energy and EIM One Year Enhancements
Structured Scenarios Report
Week 2 Structured Scenarios
2015 Fall Known Issues
Commitment Cost Enhancements Phase 2
Pricing Enhancements
Peak Reliability Coordinator Funding
Next Steps
Reference Slides

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Fall 2015 Release Market Simulation Initiatives and Timelines

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Market Simulation Plan - http://www.caiso.com/Documents/Fall2015ReleaseMarketSimulationPlan.pdf

Fall Release 2015 Initiative Start Date End Date Connectivity Testing EIM Day in the Life (NV Energy Power Only) and Unstructured Simulation Structured Simulation Expected Participation Energy Imbalance Market – NV Energy 03/25/2015 09/15/2015 03/25/2015 06/18/2015 08/03/2015 Energy Imbalance Market - One Year Enhancements 06/18/2015 09/15/2015 N/A 06/18/2015 08/03/2015 NV Energy and PacifiCorp Commitment Cost Phase 2 08/10/2015 09/15/2015 N/A 08/10/2015 N/A ISO Market Participants Pricing Enhancements 08/25/2015 09/15/2015 N/A 08/25/2015 08/25/2015 ISO Market Participants Peak RC Funding 08/11/2015 08/20/2015 N/A 08/11/2015 N/A ISO Market Participants

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Fall 2015 Release MAP Stage Availability

Current MAP Stage Scheduled Maintenance – August, 13th 2015 @ 16:00 MAP Stage Fall Release Daily Maintenance Window – 16:00 - 20:00 MAP Stage Weekly Maintenance Window – Thursday’s 16:00 – Monday’s 09:00

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EIM Nevada Energy and One Year Enhancements

The Energy Imbalance Market Nevada Energy and Year One Enhancements Market Simulation timeline –

EIM NVE and 1YE: June 18th - July 31st, 2015 (Unstructured Day in the Life)
EIM NVE and 1YE : August 3rd - August 31st, 2015 (Structured)
EIM NVE and 1YE : September 1st, 2015 - September 30th, 2015 (Unstructured

Regression) Structured Scenarios Execution Week 2 - #10, 7, 9, 12, 13, 3, 18 and 6 Structured Scenario Document - http://www.caiso.com/Documents/EIM- NVEand1YearEnhancementsStructuredScenarios.pdf

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NVE EIM and EIM 1YE Structured Scenarios

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Week One Structured Scenarios Scenario # Scenario Description TD Executed Pass/Fail 1 DAM NVE Model Validation – Base Schedule Calculation, Transaction ID and Hubs 8/4/2015 Pending Post Process Validation 2 FNM Expansion DAM – Binding Physical Flow and Scheduling Constraints 8/4/2015 Pending Post Process Validation 4 EIM Real Time - Congestion Management within EIM Entity BAAs 8/5/2015 Pending Post Process Validation 5 EIM Real Time – Manual Dispatches for EIM Resources 8/6/2015 Pending Post Process Validation 8 EIM Real Time – Neutrality 8/5/2015 Pending Post Process Validation

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Week 1 Scenario Results

EIM Scenarios were successfully executed.
Results shared with EIM entity
Settlement statements to go out per the calendar.

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Scenario 10

Scenario Number EIM Implementation - Nevada Energy and EIM Year 1 Enhancements – TD 8/11/15; Execution Time – 8/11/15 11:00 – 13:00 10 Description EIM Real Time – Contingency Event in the ISO BA ISO Actions ISO will simulate a contingency in the ISO BA via RT contingency. ISO will load our standard bid set, for non EIM entities we will create base schedules based on interchange data, and demand forecast. For EIM entities ISO will validate the schedules are balanced and

feasible. ISO will run DAM and Real Time

markets and publish results. Publish Settlements Statements. EIM Market Participant Actions EIM resources receive dispatch instructions through ADS. ISO Market Participant Actions Review EIM GHG Shadow Prices, EIM Transfer Limits, EIM Transfer MW’s, EIM Transfer Net MW, EIM Transfer Shadow Price, EIM Transfer Schedule Shadow Prices, EIM Entity Demand Forecast, EIM BAA NSI and EIM LMP’s on OASIS. Expected Outcome Contingency event in CAISO area does not affect dispatches or prices in the EIM BAs. Anticipated Settlement Outcome CC 64600, CC 64700, CC 67740, CC 69850, and CC 64770

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Scenario 7

Scenario Number EIM Implementation - Nevada Energy and EIM Year 1 Enhancements – TD 8/11/15; Execution Time - 8/11/15 14:00 – 17:00 7 Description EIM Real Time – GHG Charges ISO Actions ISO to increase the Load Forecast for the ISO

BA. EIM specific energy bids are cheaper than
ther imports to ISO BA.

EIM Market Participant Actions MP will provide GHG bid adder for selected participating resources in the EIM BAA. Review Settlements Statements. ISO Market Participant Actions Review EIM GHG Shadow Prices, EIM Transfer Limits, EIM Transfer MW’s, EIM Transfer Net MW, EIM Transfer Shadow Price, EIM Transfer Schedule Shadow Prices, EIM Entity Demand Forecast, EIM BAA NSI and EIM LMP’s on OASIS. Expected Outcome GHG payments will be properly awarded to the exporting resources based on their export allocation values. Anticipated Settlement Outcome CC 64600, CC 64700, CC 491, CC 67740, CC 69850, CC 64770, and CC 66200

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Scenario 12

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Scenario Number EIM Implementation - Nevada Energy and EIM Year 1 Enhancements – TD 8/12/15; Execution Time - 8/12/15 11:00 – 13:00 12 Description Restricted MW EIM Transfer limit for EIM Entity BA to EIM Entity BAA ISO Actions ISO to set EIM Transfer low/high limits to a to be determined agreed upon value Energy Transfer limits will be set on all interties between two BAAs EIM Market Participant Actions Verify transfer limits ISO Market Participant Actions Review EIM GHG Shadow Prices, EIM Transfer Limits, EIM Transfer MW’s, EIM Transfer Net MW, EIM Transfer Shadow Price, EIM Transfer Schedule Shadow Prices, EIM Entity Demand Forecast, EIM BAA NSI and EIM LMP’s on OASIS. Expected Outcome EIM transfers from EIM Entity to EIM Entity are limited Anticipated Settlement Outcome CC 64600, CC 64700, CC 491, CC 67740, CC 69850, and CC 64770

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Scenario 13

Scenario Number EIM Implementation - Nevada Energy and EIM Year 1 Enhancements – TD 8/12/15; Execution Time - 8/12/15 11:00 – 13:00 13 Description Restricted MW EIM Transfer limit for EIM Entity to ISO BAA Description Restricted MW EIM Transfer limit for EIM Entity BA to ISO BAA ISO Actions ISO to set EIM Transfer low/high limits to a to be determined agreed upon value EIM Market Participant Actions Verify transfer limits ISO Market Participant Actions Review EIM GHG Shadow Prices, EIM Transfer Limits, EIM Transfer MW’s, EIM Transfer Net MW, EIM Transfer Shadow Price, EIM Transfer Schedule Shadow Prices, EIM Entity Demand Forecast, EIM BAA NSI and EIM LMP’s on OASIS. Expected Outcome EIM transfers from EIM Entity to EIM Entity are limited Anticipated Settlement Outcome CC 64600, CC 64700, CC 491, CC 67740, CC 69850, and CC 64770

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Scenario 3

Scenario Number EIM Implementation - Nevada Energy and EIM Year 1 Enhancements – TD 8/12/15; Execution Time - 8/12/15 14:00 – 18:00 3 Description EIM Real Time – Flexible Ramping Sufficiency Test NVE/ISO ISO Actions ISO will load an ISO standard bid set; for non EIM entities ISO will create base schedules based on interchange data, and demand

forecast. For EIM entities ISO will validate the

schedules are balanced and feasible. ISO will set the Flex Ramp requirements (FRR) above available flex ramp capability in the EIM BAA. Broadcast the ISO, EIM BAA, and EIM footprint total load forecast, broadcast the FRR for the ISO, EIM BAAs, and EIM footprint to the Market. Perform flexible ramping requirement sufficiency

test. T-75, T-55, T-40.

EIM Market Participant Actions Verify outcome Real Time results, Expected Energy and Settlements Statements. ISO Market Participant Actions Review EIM GHG Shadow Prices, EIM Transfer Limits, EIM Transfer MW’s, EIM Transfer Net MW, EIM Transfer Shadow Price, EIM Transfer Schedule Shadow Prices, EIM Entity Demand Forecast, EIM BAA NSI and EIM LMP’s on OASIS. Expected Outcome NVE/ISO fails the flex ramp sufficiency test for some hours; NSI constraint will be binding leading to price separation between the EIM BAA and rest of EIM Area. Flex Ramp price will be set by penalty price in the EIM BAA. Flex requirements will be available in OASIS. Anticipated Settlement Outcome CC 7050, CC 7024, and CC 7056

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Scenario 18

Scenario Number EIM Implementation - Nevada Energy and EIM Year 1 Enhancements – TD 8/13/15; Execution Time - 8/13/15 09:00 – 18:00 18 Description Joint ownership of resource in EIM BAA ISO Actions ISO to work with EIM Entities to identify joint

wnership resources in the BAA. ISO to

demonstrate new joint ownership resource dispatch functionality. EIM Market Participant Actions Validate dispatch instructions. ISO Market Participant Actions Review EIM GHG Shadow Prices, EIM Transfer Limits, EIM Transfer MW’s, EIM Transfer Net MW, EIM Transfer Shadow Price, EIM Transfer Schedule Shadow Prices, EIM Entity Demand Forecast, EIM BAA NSI and EIM LMP’s on OASIS. Expected Outcome ISO successfully dispatches the joint

wnership resource as per design.

Anticipated Settlement Outcome CC 64600, CC 64700, and CC 4564

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Scenario 6

Scenario Number EIM Implementation - Nevada Energy and EIM Year 1 Enhancements – TD 8/13/15; Execution Time - 8/13/15 14:00 – 18:00 6 Description EIM Real Time – EIM Specific Resource Mitigation ISO Actions ISO to create a local constraint in the EIM BAA to trigger local market power mitigation. EIM Market Participant Actions Submit expensive bids on the EIM participating resources that are expected to be mitigated. ISO Market Participant Actions Review EIM GHG Shadow Prices, EIM Transfer Limits, EIM Transfer MW’s, EIM Transfer Net MW, EIM Transfer Shadow Price, EIM Transfer Schedule Shadow Prices, EIM Entity Demand Forecast, EIM BAA NSI and EIM LMP’s on OASIS. Expected Outcome Resource with market power will be mitigated using their default energy bid and reported

n CMRI.

Anticipated Settlement Outcome CC 64600, CC 64700, CC 66200 and CC 66780

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Market Simulation Known Issue List – Fall 2015

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# Application Severity (H/M/L) New or Existing Variance Variance Description Resolution Expectations 1 OASIS H Resolved OASIS report for EIM Transfer showing incorrect sign for import and export. Fixed in the 8/6 maintenance window. 2 SIBR M Resolved EIM Entities only - GHG bid price is not validated against the bid cap. Fixed in the 8/6 maintenance window.

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Commitment Cost Enhancements Phase 2

The Commitment Costs Enhancements Market Simulation timeline –

CCE Phase 2: August 10th - August 31st, 2015 (Unstructured)
CCE Phase 2: September 1st, 2015 - September 15th, 2015 (Unstructured

Regression)

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Pricing Enhancements

The Pricing Enhancements Market Simulation timeline –

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Pricing Enhancements: August 25th – September 4th, 2015

(Structured)

Pricing Enhancements: September 7th, 2015 - September

15th, 2015 (Unstructured)

Structured Scenario Document - http://www.caiso.com/Documents/PricingEnhancementsStructuredS cenarios.pdf

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Peak Reliability Coordinator Funding

The Peak Reliability Coordinator Funding Market Simulation timeline – Peak RC Settlements Calendar -

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Peak RC: August 11th – 20th, 2015 (Unstructured)

17-Aug-15 11-Aug 11-Aug 5-Aug 18-Aug-15 12-Aug 12-Aug 19-Aug-15 18-Aug 13-Aug 13-Aug 20-Aug-15 19-Aug 11-Aug - 13-Aug 11-Aug - 13-Aug - I 5-Aug - R 21-Aug-15 20-Aug 11-Aug 22-Aug-15 23-Aug-15 24-Aug-15 18-Aug 18-Aug 12-Aug 25-Aug-15 19-Aug 19-Aug 13-Aug 26-Aug-15 25-Aug 20-Aug 20-Aug 11-Aug - 13-Aug 27-Aug-15 26-Aug 18-Aug - 20-Aug 18-Aug - 20-Aug - I 11-Aug - 13-Aug - R 28-Aug-15 27-Aug 18-Aug 29-Aug-15 30-Aug-15

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Peak RC Settlements Calendar (continued)

31-Aug-15 25-Aug 19-Aug 01-Sep-15 26-Aug 20-Aug 02-Sep-15 27-Aug 18-Aug - 20-Aug 03-Sep-15 2-Sep 25-Aug - 27-Aug NERC RC_W _WECC CC_I _I NFO 1-Jan Jan Peak k Initial itial 1-Ja Jan 28-Aug 04-Sep-15 3-Sep 25-Aug - 27 Aug - I 18-Aug - 20-Aug - R Peak k 1-Ja Jan - I 05-Sep-15 06-Sep-15 07-Sep-15 08-Sep-15 09-Sep-15 2-Sep 10-Sep-15 9-Sep 3-Sep 11-Sep-15 10-Sep 2-Sep - 3-Sep Peak k Reca calc lc 1-Ja Jan 2-Sep - 3-Sep - I Peak k 1-Ja Jan - R

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Next Steps

The next teleconference will take place @ 14:00 PPT on Thursday, August

13th, 2015

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Reference Slides

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Fall 2015 Release Market Simulation Plan

http://www.caiso.com/Documents/Fall2015ReleaseMark

etSimulationPlan.pdf

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ISO System Access Documentation

http://www.caiso.com/Documents/SystemAccessInformat

ion_MarketParticipants.pdf

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ISO Market Simulation Support

Hours - 09:00 - 18:00, PST (Monday through Friday)
Mkt Sim Coordinator Phone - (530) 518 - 8539
ISO’s 24X7 Help Desk - (916) 351-2309 (Connectivity - GUI or API)
Email - MarketSim@caiso.com

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Market Simulation Issue Management

Submit all issues to the CIDI case management system.
CIDI tickets will need to have “Functional Environment = Market

Simulation Fall 2015” to be reviewed by ISO SME’s.

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Fall 2015 Release Communication Plan

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Please refer to the California ISO public calendar at http://www.caiso.com/Pages/Calendar.aspx for current login information relevant for each meeting. ISO will host twice weekly calls on Mondays and Thursdays starting July 27th, 2015

Month Monday Dates Time

July August September 27 3, 10, 17, 24, 31 14, 21, 28 1:00 p.m. to 2:00 p.m. (Pacific Time) Month Thursday Dates Time July August September October 30 6, 13, 20, 27 3, 10, 17, 24 1 2:00 p.m. to 3:00 p.m. (Pacific Time)