Commercial Solar Water Heater Worksheet V040110 by zN26V1Q

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									                            COMMERCIAL SOLAR HOT WATER INCENTIVE WORKSHEET
                                                 Hawaii Energy, Efficiency Program • Program Year 2010
                                                              (Effective December 1, 2009)
CUSTOMER INFORMATION
     Customer Name:                                                                                                      Island:                   Oahu                                       Application Number:
         Project Name:                                                                                       T&D Loss Factor:         11.17%                                                      Existing or New:                Existing
    Storage Capacity:                                         # Tanks:                                   Design Finish Temp:                                                          OG-100 Collector Rating (BTU):
  Panel Size (W x L):                                      # of Panels:                                  Total Cost of Project:                                           Existing System (electric / heat pump):                     Electric
        Building sq. ft.:                                   Year Built:                                     Installation Date:                                      Back-up Technology (gas / electric / heat pump):                  Electric
     Number of Units:                                    Num of Floors:                                         Building Type
SOLAR INCENTIVE CALCULATION
                               A                  B           C                  D                                   E                   F                   G                    H                           I
                                                                                                                                                                             Adjusted
                                                         Panel rated                        N = New                                                                         Solar Output                                                    Incentive
                             No. of                        Output             Total BTU   B=Burned out                                               Total BTU Derating        =D-G                       Incentive                          Amount
Solar Panel Brand/Model      Panels          Sun Zone     BTU/Day              D=A*C       R=Retrofit      Orientation Factor        Tilt Factor         =(E*D+F*D)           BTU/Day                       factor                            =H*I
   Example: SunEarth EC40      10                 500      39,668             396,680          R                  15%                   5%                 79,336              317,344            x       $50/5000          =               $3,173
                                                 300                             0        R - Retrofit       Prohibited             Prohibited     #VALUE!                   #VALUE!              x       $50/5000          =              #VALUE!
                                                 300                             0        R - Retrofit       Prohibited             Prohibited     #VALUE!                   #VALUE!              x       $50/5000          =              #VALUE!
                                                                                                                                   Total Adjusted Solar Output:              #VALUE!                                    Total              #VALUE!

SOLAR PANEL DERATING FACTORS                                                                              Analysis                                                                           TRB Calculation Table                             6%            Discount Rate
     Collector                                                                                                                                                                                System                                                               Utility
                                   Derating                  Collector Tilt                Derating            Impacts                  kW                kWh/yr                                            Year       $/kW/yr.            $/kWh/yr.
    Orientation                                                                                                                                                                                 Life                                                              Benefits
 (Degrees True North)              (percent)                      (degrees)                (percent)             Utility               0.67               #VALUE!                                 1         2010       $        280    $             0.099         NPV
                                                                                                                                                                                                                                                                  #VALUE!
          0 - 89                    prohibited                      0 - 13                 prohibited          Customer                0.60               #VALUE!                                 2         2011       $        306    $             0.100        #VALUE!
        90 - 115                      25%                           14 - 40                   0%           Simple Payback (yrs)                           #VALUE!                                 3         2012       $        339    $             0.104        #VALUE!
        105 - 115                     10%                           40 - 45                   5%           TRB Ratio (TRB/Incremental Cost)               #VALUE!                                 4         2013       $        353    $             0.104        #VALUE!
        115 - 125                      5%                           45 - 50                   10%                          * TRB Ratio must be ≥ 1        #VALUE!                                 5         2014       $        371    $             0.109        #VALUE!
        125 - 225                      0%                           50 - 55                   15%                                                                                                 6         2015       $        383    $             0.112        #VALUE!
        225 - 235                      5%                           55 - 60                   20%                                                                                                 7         2016       $        386    $             0.113        #VALUE!
        235 - 245                     10%                              60                     25%            Solar System Energy Production                                                       8         2017       $        388    $             0.114        #VALUE!
        245 - 255                     15%                            > 60                  prohibited                           Installed Capacity #VALUE!                 Btu/day                9         2018       $        389    $             0.114        #VALUE!
        255 - 270                     20%                                                                                Realized Annual Output            90%                                   10         2019       $        392    $             0.115        #VALUE!
        271 - 360                   prohibited                                                                                     Annual Output   #VALUE!                 Btu/year              11         2020       $        391    $             0.115        #VALUE!
                                                                                                             Existing System Energy Displaced                                                    12         2021       $        395    $             0.116        #VALUE!
                                                                                                                              Energy Conversion         3,412              kWh/Btu               13         2022       $        398    $             0.117        #VALUE!
                                                                                                                           Electric Res. (COP 0.9) #VALUE!                 kWh/Year              14         2023       $        397    $             0.117        #VALUE!
                                                                                                                            Heat Pump (COP 3.5)    #VALUE!                 kWh/Year              15         2024       $        401    $             0.118        #VALUE!
                                                                                                                         Additional Pump Energy            100             kWh/Year                                  Total Resource Benefit (TRB):                #VALUE!
                                                                                                             Existing System On-Peak Demand Removed
                                                                                                                                                   #VALUE!                 kWh/day                                         Cost of Base Alternative:
                                                                                                                       Electric Resistance Power           4.0             kW                                                 Cost of Solar System: $                        -
                                                                                                                      Heat Pump Average Power              6.0             kW                                                     Incremental Cost: $                        -
                                                                                                                                         Run Time  #VALUE!                 Hours / Day
                                                                                                                                 On-Peak Fraction          15%                                                                     Energy Savings:  #VALUE!
                                                                                                                                  On-Peak Energy         0.60              kW On-Peak                                       Marginal Energy Cost: $ 0.22 /kWh
                                                                                                                                                                                                                        First Year Project Savings: #VALUE!

                                                                                                                                                                                                                                                             MC/CW Solar Water v9.0

								
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