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Current UtilityScale Solar Efforts at SRP Stephen Mellentine Senior Planning Analyst, Resource Planning l i j SaltRiver Project

Current Utility-Scale Solar Efforts at Salt River Project

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Page 1: Current Utility-Scale Solar Efforts at Salt River Project

Current Utility‐Scale Solar Efforts at SRP

Stephen Mellentine

Senior Planning Analyst, Resource Planning

l i jSalt River Project

Page 2: Current Utility-Scale Solar Efforts at Salt River Project

• 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

Page 3: Current Utility-Scale Solar Efforts at Salt River Project

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

Page 4: Current Utility-Scale Solar Efforts at Salt River Project

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

Page 5: Current Utility-Scale Solar Efforts at Salt River Project

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

Page 6: Current Utility-Scale Solar Efforts at Salt River Project

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

Page 7: Current Utility-Scale Solar Efforts at Salt River Project

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

Page 8: Current Utility-Scale Solar Efforts at Salt River Project

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

Page 9: Current Utility-Scale Solar Efforts at Salt River Project

Solar Photovoltaic RFP (cont.)( )

• “B Phase process still ongoing

• Finalist(s) selected and negotiations underway

DOE Tribal Leader Solar Energy Forum Mellentine

Page 10: Current Utility-Scale Solar Efforts at Salt River Project

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

Page 11: Current Utility-Scale Solar Efforts at Salt River Project

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

Page 12: Current Utility-Scale Solar Efforts at Salt River Project

Questions?Questions?

Contact [email protected]

www.srpnet.com

Page 13: Current Utility-Scale Solar Efforts at Salt River Project

Backup SlidesBackup Slides

Page 14: Current Utility-Scale Solar Efforts at Salt River Project

Relative Generation CostsNew Resources (Q111)New Resources (Q111)

Integration, Delivery, & Risk PremiumsBase Levelized Cost

$/M

Wh

14

Page 15: Current Utility-Scale Solar Efforts at Salt River Project

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