2/16/2001 2/16/2001 ACC Energy Workshop – Summer Preparedness ACC Energy Workshop – Summer Preparedness 2001 and 2002 2001 and 2002 000752SS- 000752SS-1 SRP SRP Summer Preparedness Summer Preparedness 2001 and 2002 2001 and 2002 Presented to the Presented to the Arizona Corporation Arizona Corporation Commission Commission February 16, 2001 February 16, 2001
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2/16/2001ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-1 SRP Summer Preparedness 2001 and 2002 Presented to the Arizona Corporation.
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2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-11
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-22
David AreghiniDavid Areghini
Associate General ManagerAssociate General ManagerPower, Construction & Power, Construction &
EngineeringEngineeringServicesServices
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-33
AgendaAgenda
SRP system & load growthSRP system & load growth
Summary of year 2001 and Summary of year 2001 and 20022002projected readinessprojected readiness
Resources and reservesResources and reserves
SRP system readinessSRP system readiness
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-44
SRP Electric Service TerritorySRP Electric Service Territory
Eastern Mining Area
Phoenix
Peoria
Glendale
Scottsdale
Mesa
Tempe
Gilbert
Chandler
Tolleson
LitchfieldPark
Surprise
Goodyear
Avondale
ApacheJunction
QueenCreek
FountainHills
ParadiseValley
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-55
Expected Load GrowthExpected Load Growth
Phoenix
Peoria
Glendale
Scottsdale
Mesa
Tempe
Gilbert
Chandler
Tolleson
LitchfieldPark
Youngtown
Surprise
Goodyear
Avondale
ApacheJunction
QueenCreek
FountainHills
ParadiseValley
4.5%
18%
3.8%
2.7%
4.2%
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-66
Summary of Year 2001 Summary of Year 2001 and 2002 Projected and 2002 Projected
ConditionsConditions
Transmission, SRP generation and Transmission, SRP generation and planned energy purchases areplanned energy purchases areadequate to serve the forecastedadequate to serve the forecastedyear 2001 and 2002 demandyear 2001 and 2002 demand
Contingency plans are in place toContingency plans are in place tohandle emergency eventshandle emergency events
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-77
John CogginsJohn Coggins
ManagerManager
Supply and TradingSupply and Trading
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-88
Operating ReservesOperating Reserves
Protect against loss of generationProtect against loss of generationor transmission resources usedor transmission resources usedto deliver energy to firm load to deliver energy to firm load
Targeted reserve levels based on:Targeted reserve levels based on:•Amount of firm loadAmount of firm load•Largest single hazardLargest single hazard
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-99
20012001
System ReservesSystem Reserves
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-1010
Summer 2001 ReservesSummer 2001 Reserves
Load (MW)Load (MW)
Actual reserves*Actual reserves*
ReservesReserves
ValleyValley
StrandedStranded
53305330
635635
421421
214214
JulJul
53305330
636636
421421
215215
AugAug
48404840
841841
841841
00
SepSep
49804980
627627
627627
00
JunJun
** Meets WSCC and NERC Criteria Meets WSCC and NERC Criteria Meets Southwest Reserve Sharing Group CriteriaMeets Southwest Reserve Sharing Group Criteria
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-1111
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-1313
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-1414
Fuel StatusFuel Status Nuclear – Full requirements under contractNuclear – Full requirements under contract
Coal Coal • All plants currently at or above target All plants currently at or above target
inventoriesinventories
• Full requirements under contractFull requirements under contract
Natural gasNatural gas• Full transportation requirements under contractFull transportation requirements under contract
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-1515
Fuel StatusFuel Status
Fuel OilFuel Oil
•Critical back-up for natural gasCritical back-up for natural gas
•Allows plants to continue toAllows plants to continue tooperate during gas operate during gas curtailmentscurtailments
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-1616
20022002
System ReservesSystem Reserves
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-1717
Summer 2002 ReservesSummer 2002 Reserves
Load (MW)Load (MW)
Actual reserves*Actual reserves*
ReservesReserves
Valley Valley
StrandedStranded
55305530
839839
370370
469469
JulJul
55305530
840840
510510
330330
AugAug
49654965
841841
841841
00
SepSep
51475147
831831
749749
8282
JunJun
** Meets WSCC and NERC Criteria Meets WSCC and NERC Criteria Meets Southwest Reserve Sharing Group CriteriaMeets Southwest Reserve Sharing Group Criteria
2/16/20012/16/2001 000752SS-000752SS-1818
SRP Resources - 2002SRP Resources - 2002
SRPSRPOwnedOwned
GenerationGeneration
PurchasedPurchasedPowerPower
SRPSRPForecastForecast
Peak LoadPeak Load
ReservesReserves
4204 MW4204 MW
2166 MW2166 MW
Total 6370 MWTotal 6370 MW
5530 MW5530 MW
840 MW840 MW
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-1919
John UnderhillJohn Underhill
ManagerManagerSystem OperationsSystem Operations
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-2020
20012001
System ConditionsSystem Conditions
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-2121
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-2222
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-2323
20022002
System ConditionsSystem Conditions
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-2424
•Multiple 230kV & 69kV line Multiple 230kV & 69kV line upgradesupgrades
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-2525
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-2626
System PreparationSystem Preparation
• Major line patrolsMajor line patrols• Preventative Preventative
maintenancemaintenance• Pole work Pole work • Personnel training Personnel training
• Tree trimmingTree trimming• Cable Cable
replacement replacement • Storm planStorm plan
Summer substation and line Summer substation and line maintenancemaintenancewill be complete by summerwill be complete by summer
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-2727
Emergency Operations Emergency Operations and Load Sheddingand Load Shedding
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-2828
ConcernsConcerns
WSCC curtailmentsWSCC curtailments
Existing Kyrene units Existing Kyrene units (2002+)(2002+)
Energy exchange at Glen Energy exchange at Glen CanyonCanyon
Double contingenciesDouble contingencies
Voltage collapseVoltage collapse
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-2929
Significant Near Term Significant Near Term Major Transmission and Major Transmission and
Generation NeedsGeneration Needs
Southwest Valley 500kV Southwest Valley 500kV Transmission ProjectTransmission Project
2/16/20012/16/2001 ACC Energy Workshop – Summer Preparedness 2001 and 2002ACC Energy Workshop – Summer Preparedness 2001 and 2002 000752SS-000752SS-3030
Summary Of Year 2001 Summary Of Year 2001 and 2002 Projected and 2002 Projected
ConditionsConditions
Transmission, SRP generation and Transmission, SRP generation and planned energy purchases areplanned energy purchases areadequate to serve the forecastedadequate to serve the forecastedyear 2001 and 2002 demandyear 2001 and 2002 demand
Contingency plans are in place toContingency plans are in place tohandle emergency eventshandle emergency events