Distributed Renewable Energy Operating Impacts and Valuation Study

Contents
TABLES
1-1 RES Eligible Technologies ................................................................. 1-4
1-2 Photovoltaic (PV) Rebates .................................................................. 1-5
1-3 Residential Solar Hot Water Rebates .................................................. 1-8
1-4 Commercial Daylighting Rebates ....................................................... 1-9
1-5 APS Tariffs with Highest Number of Customers.............................. 1-11
1-6 Energy Consumption for Selected APS Tariffs ................................ 1-12
2-1 Cost of Residential PV Systems Installed under the APS PV
Incentive Program ............................................................................... 2-5
2-2 Cost of Commercial PV Systems Installed under the APS PV
Incentive Program ............................................................................... 2-5
2-3 PV System Modeled Energy Production........................................... 2-14
2-4 Spread of Energy Savings for SHW Systems Installed in
Phoenix.............................................................................................. 2-19
2-5 Hours of Operation per Day for Daylighting .................................... 2-25
2-6 Percentage of Days Clear, Partly Cloudy, and Cloudy ..................... 2-25
2-7 Costs per Fitting and per kWh Saved for Daylighting ...................... 2-26
2-8 Building Characteristics for Baseline Model .................................... 2-27
2-9 Comparison of Modeled Skylight to Skylights Used in the APS
Region ............................................................................................... 2-28
2-10 Available Roof Area for all Solar DE Technologies in APS
Territory (2007)................................................................................. 2-33
2-11 Residential PV 2007 Technical Potential.......................................... 2-34
2-12 SHW 2007 Technical Potential ......................................................... 2-35
2-13 Commercial Demographics............................................................... 2-35
2-14 Commercial PV 2007 Technical Potential ........................................ 2-36
2-15 Commercial Daylighting Technical Potential ................................... 2-37
2-16 Description of Key Input Variables to Deployment Cases ............... 2-41
3-1 Avoided Losses (MW) at System Peak............................................... 3-5
3-2 DSS Annual Energy Loss Analysis Results........................................ 3-7
3-3 Peak Demand Losses........................................................................... 3-7
3-4 Regional Load Growth and Budget Projections.................................. 3-8
3-5 Summary of Screening Analysis Feeders.......................................... 3-12
3-6 APS – Historical Peak Loads ............................................................ 3-13
3-7 Dependable Capacity Results............................................................ 3-13
3-8 Potential Targeted Capex Reductions ............................................... 3-14
3-9 DSS Annual Peak Demand Analysis Results.................................... 3-17
3-10 Solar PV Screening-Level Modeling Assumptions........................... 3-19
3-11 SHW Screening-Level Modeling Assumptions ................................ 3-20
3-12 Daylighting Screening-Level Modeling Assumptions...................... 3-21
3-13 Demand Reduction Due to Solar DE for Commercial
Applications....................................................................................... 3-23
Distributed Renewable Energy Operating Impacts & Valuation Study
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