Distributed Renewable Energy Operating Impacts and Valuation Study

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SECTION 6 — DEVELOPING A WINNING BUSINESS CASE FOR SOLAR DE DEPLOYMENT A winning business case for solar DE deployment must demonstrate quantitative value and address the many qualitative issues in order to achieve success. Arizona’s successful solar future requires an alignment between the business considerations, economic drivers, market readiness and societal needs. In order for solar DE to take its place along side traditional thermal resources, a case needs to be developed that supports the expansion of solar DE across residential and commercial markets. The support has to include customer-side issues, such as readiness for product acceptance; utility-side issues, such as system integration; and businessside issues, such as the financial support for solar DE investment. This section identifies a framework for assessing the value of solar DE deployment in the APS service territory. This assessment is based on the goals, analysis, and current information outlined in this Report. It includes a comprehensive assessment of the benefits to APS, its customers, and other stakeholders, while promoting a sustainable solar DE deployment program in Arizona. Value has a number of dimensions, some of which are purely economic or engineering based (such as those driven by savings potential), and those which have an element of perception (such as the consumer desire to have a reduced environmental impact). A supportable winning business case needs to take into account both types of value. The foundation for the assessment in this Study is built upon: (1) A quantitative evaluation of the savings potential from solar DE deployment under the diverse scenarios defined in this Study. (2) A qualitative assessment of various factors and measures that could be undertaken to help further solar DE deployment sufficient to achieve the RES objectives in a financially and socially responsible manner. © 2009 by R. W. Beck, Inc. All rights reserved. Arizona Public Service
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PREPARED FOR: ARIZONA PUBLIC SERVIC
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CONTENTS List of Tables............
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Contents 5. Technical Value - Power
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Contents TABLES 1-1 RES Eligible Te
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Contents FIGURES 1-1 RES Compliance
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5-6 Typical Output, Single-Axis Tra
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EXECUTIVE SUMMARY Abundant sunshine
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Executive Summary many uncertaintie
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Executive Summary In contrast to al
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Executive Summary Capital Reduction
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Executive Summary Annual Energy and
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Executive Summary commercial custom
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Executive Summary Creation of a suc
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SECTION 1 — STUDY BACKGROUND AND
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Study Background and Description 1.
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Study Background and Description in
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Study Background and Description Fi
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Study Background and Description SH
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Study Background and Description Ta
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Study Background and Description 1.
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Study Background and Description AP
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Study Background and Description cu
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Study Background and Description to
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Study Background and Description in
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Section 2 and commercial customers.
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Section 2 Figure 2-2: Photovoltaic
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Section 2 When weighted by capacity
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Section 2 PV Model Inputs Two basel
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Section 2 Figure 2-5: Phoenix Area
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Section 2 Figure 2-7: Typical Sprin
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Section 2 account shading at the ho
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Section 2 • Residential: • A so
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Section 2 • Thermosyphon systems
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Section 2 existing systems installe
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Section 2 Figure 2-12: Hourly SHW S
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Section 2 Figure 2-14: Active Dayli
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Section 2 Daylighting Costs Capital
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Section 2 • An interior diffusion
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Section 2 Key Findings of Commercia
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Section 2 2.5 Deployment Analysis 2
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Section 2 Table 2-11 Residential PV
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Section 2 Commercial PV PV systems
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Section 2 was conceived by Frank Ba
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Section 2 Kastovich. 36 The formula
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Section 2 Figure 2-20: PV Payback -
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Section 2 Figure 2-22: PV Payback -
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Section 2 Figure 2-24: Daylighting
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Section 2 • The forecast of the a
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Section 2 Results of Market Simulat
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SECTION 3 — TECHNICAL VALUE - DIS
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Technical Value - Distribution Syst
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Page 137 and 138: Technical Value - Distribution Syst
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Page 146 and 147: Section 4 • A simplifying assumpt
Page 148 and 149: Section 4 Results The effects of as
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Page 152 and 153: Section 4 4.3.2 Local Reliability/R
Page 154 and 155: Section 4 Figure 4-3: $110 Million
Page 156 and 157: Section 4 Figure 4-4: Historical PV
Page 158 and 159: Section 4 Figure 4-6: Historical PV
Page 161 and 162: SECTION 5 — TECHNICAL VALUE - POW
Page 163 and 164: Technical Value - Power Supply Capa
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Page 191 and 192: Developing a Winning Business Case
Page 217 and 218: APPENDIX A — GLOSSARY AND ABBREVI
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Page 222 and 223: Appendix B owned utilities. The sha
Page 224 and 225: Appendix B Figure B-1. Annual Insta
Page 226 and 227: Appendix B Figure B-2. Average Inst
Page 228 and 229: Appendix B has been extracted from
Page 230 and 231: Appendix B Table B-4 Installed Cost
Page 233 and 234: APPENDIX C — NEW JERSEY PV PROGRA
Page 235 and 236: NEW JERSEY PV PROGRAM Figure C-1. N
Page 237 and 238: NEW JERSEY PV PROGRAM Figure C-4. N
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NEW JERSEY PV PROGRAM Figure C-8. A
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NEW JERSEY PV PROGRAM Figure C-12.
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NEW JERSEY PV PROGRAM Table C-1 New
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NEW JERSEY PV PROGRAM Figure C-18.
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Appendix D Figure D-2. E12 Resident
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Appendix D Figure D-6. ET-1 Residen
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Appendix D Figure D-9. E32 Extra Sm
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Appendix D Figure D-12. E32 Small C
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Appendix D Figure D-15. E32 Medium
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Appendix D Figure D-18. E32 Large C
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Appendix E E12 Residential Load Pro
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Appendix E E12 Residential Load Pro
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Appendix E E.2 ET-1 Residential Loa
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Appendix E ET1 Residential Load Pro
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Appendix E ET1 Residential Load Pro
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Appendix E E32 xSmall Commercial Lo
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Appendix E E32 xSmall Commercial Lo
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Appendix E E.4 E32 Small Load Profi
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Appendix E E32 Small Load Profiles
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Appendix E E32 Small Commercial Loa
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Appendix E E32 Medium Commercial Lo
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Appendix E E32 Medium Commercial Lo
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Appendix E E.6 E32 Large Commercial
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Appendix E Residential Load Profile
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Appendix E E32 Large Commercial Loa
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Appendix F F.2 Input Assumptions Tw
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Appendix F Figure F-2. SAM Input Sc
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APPENDIX G — CERTIFICATION FOR SO
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APPENDIX H — DAYLIGHTING PROGRAM
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APPENDIX I — SUMMARY USE CHARACTE
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Summary Use Characteristics and Tar
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DISTRIBUTED ENERGY ADMINISTRATION P
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Distribution System Impacts of Dist
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Scenarios Considered - Base case
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Circuit Modeling • Develop workin
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Working Electrical Model • 2007 p
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Circuit Diagram as Modeled in OpenD
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Basecase Measured vs Simulated Resu
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Solar Deployment • 8760 solar tec
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Sample Commercial/Industrial Solar
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Loss Categorization • Total losse
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Base Case Results: No Solar (Lower
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Case 2 Results: Greenfield 10000 80
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Loss Analysis Results Summary, cont
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Loss Analysis Conclusions • Busin
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Summary • This study was conducte
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Glendale_SAT: 1 Axis tracking PV sy
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PV Model Used for Analysis - SOL_De
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Greenfield Results 33
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Effect of PV Power on Total Power P
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Effect of PV Power on Voltage Profi
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Greenfield Results with Manually Ed
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Total PV Power Input of Edited PV P
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Effect of Edited PV Profile on Phas
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Conclusions • DM 04 included no L
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Appendix L Figure L-3. Residential
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Appendix L Figure L-19. Commercial
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Appendix L Figure L-27. Grocery Day
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Appendix L Figure L-35. Solar Hot W
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Appendix L Figure L-47. Arrowhead A
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Appendix L Figure L-51. Deadman Was
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Appendix L Figure L-55. East Valley
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Appendix L Figure L-59. East Valley
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Appendix L Figure L-63. Indian Bend
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Appendix L Figure L-67. Mountain Vi
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Appendix L Figure L-71. Acoma Subst
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Appendix L Figure L-75. DE Impact w
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APPENDIX M — EMPIRICAL TESTING RE
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Empirical Testing Results Figure M-
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Empirical Testing Results M.2 Setup
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Empirical Testing Results Table M-4
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Empirical Testing Results Trigger R
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Empirical Testing Results • Energ
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APPENDIX N — EVALUATION OF ECONOM
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Evaluation of Economic Value of Sol
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APS Carrying Charges ion of APS Car
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Calculation of APS Carrying Charges
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