current utility scale solar efforts at srpsrp sustainable portfolio 20% uirements 15% 10% f retail...
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Current Utility‐Scale Solar Efforts at SRP
Stephen Mellentine
Senior Planning Analyst, Resource Planning
l i jSalt River Project
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• Third largest public power tilit i th tiutility in the nation
• Over 940,000 electric customers in Phoenix areacustomers in Phoenix area
• 7,400 MW generation portfoliop
• Largest water provider in Phoenix area
• Delivers nearly 1 million acre‐feet annually
2DOE Tribal Leader Solar Energy Forum
Mellentine
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SRP & Arizona Perspective of Utility SolarSRP & Arizona Perspective of Utility Solar• SRP not regulated by Arizona Corporation Commission regulated by own Board ofCommission, regulated by own Board of Directors
d l b• IOUs under ACC regulation subject to different solar requirements
• SRP strategy of technology balance, resource size, geographic dispersion and interconnection w/in SRP service territory
• SRP is non‐taxable status; can’t utilize federal
DOE Tribal Leader Solar Energy Forum3
;incentives
Mellentine
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Drivers for Acquisitionf bl iof Renewable Generation
• Customer/Stakeholder Input
• Environmental leadership
• Water consumption p
• Renewable portfolio standards
• Carbon emissions• Carbon emissions
DOE Tribal Leader Solar Energy Forum4
Mellentine
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SRP Sustainable Portfolio
20%
15%
uiremen
ts
10%
f Retail Req CONSERVATION ‐
Energy Efficiency and Demand ResponseSRP Sustainable PortfolioRequirement
5%Percent o
f
HYDRO RESOURCES
0%
RENEWABLE RESOURCES
0%
DOE Tribal Leader Solar Energy Forum Mellentine
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Solar Photovoltaic RFP
• Request for proposals (RFP) for utility scale solar photovoltaic (PV) projects issued July 2010
• Requested a total of up to 100 megawatts (MW) inRequested a total of up to 100 megawatts (MW) in two phases1) Up to 50 MW by third quarter 2012 (“A” Phase)1) Up to 50 MW by third quarter 2012 ( A Phase)
2) Up to 50 MW by third quarter 2013 (“B” Phase)
DOE Tribal Leader Solar Energy Forum Mellentine
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Solar Photovoltaic RFP (cont.)( )
• Projects’ preferred sizes between 5 and 50 megawatts each
• Accepted solar panel technologies were crystallineAccepted solar panel technologies were crystalline and thin film; orientation was fixed tilt or single axis trackingaxis tracking
• Projects interconnecting to SRP’s distribution system or transmission voltages less than 230kVsystem or transmission voltages less than 230kV were preferred
DOE Tribal Leader Solar Energy Forum Mellentine
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Solar Photovoltaic RFP (cont.)( )
• Evaluation Criteria– Price– Panel Manufacturer– Developer Creditworthiness– Interconnection
• “A” Phase process resulted in signing PPA w/ juwiSolar in 2011. – Queen Creek Solar project located in Queen Creek, AZ– 19 MWI d SRP 69kV b i i– Interconnected to SRP 69kV sub‐transmission system
DOE Tribal Leader Solar Energy Forum Mellentine
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Solar Photovoltaic RFP (cont.)( )
• “B Phase process still ongoing
• Finalist(s) selected and negotiations underway
DOE Tribal Leader Solar Energy Forum Mellentine
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Copper Crossing Solar PV
• Owner: Iberdrola• Owner: Iberdrola Renewables
• 20 MW20 MW
• SunPower monocrystalline panels w/single axis trackingpanels w/single axis tracking
• Florence, AZ
• Contract Term: 25 yearsContract Term: 25 years
• Commercial Operation Date: September, 2011September, 2011
DOE Tribal Leader Solar Energy Forum Mellentine
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Community Solar
• Offers schools and residential customers an alternative tocustomers an alternative to installing solar on their rooftops
• No upfront costs, solar maintenance or repair costs
• Price certainty
d f• Net metered to output of Copper Crossing facility
• Intent is to expand program toIntent is to expand program to and commercial and industrial customer classes
DOE Tribal Leader Solar Energy Forum Mellentine
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Backup SlidesBackup Slides
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Relative Generation CostsNew Resources (Q111)New Resources (Q111)
Integration, Delivery, & Risk PremiumsBase Levelized Cost
$/M
Wh
14
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Wind and Solar Cost Trends300
Levelized Bus Bar Cost Solar PV (Utility Scale)
$/M
Wh
Solar Thermal(Excluding Storage or Co-fire)
Wind(Excluding Storage or Co fire)
02008 2009 2010
EE
2008 2009 2010Year
15