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Financial Modeling of W ind Projects     283


               Line Item in Income Statement  Values for Year i
               Annual revenue
          R1   Revenue from selling electricity  kWh produced multiplied by energy
                                          price in $/kWh
          R2   Revenue from production tax  kWh produced multiplied by tax
               credits                    credit in $/kWh
          R3   Revenue from renewable energy  kWh produced multiplied by price of
               credits or carbon credits  REC or other credit in $/kWh
          RA   Total revenue              R1 + R2 + R3
               Annual operating expenses
          O1   Operations and maintenance  kWh produced multiplied by
                                          scheduled maintenance charges
                                          $/kWh + annual reserve fund
                                          payment based on TIC
          O2   Insurance                  Annual insurance charges
          O3   Leaseholder payments       Payment usually based on
                                          percentage of revenue
          O4   Admin/financial/legal       General and administrative charges
          O5   Other expenses (transmission)  kWh produced multiplied by
                                          transmission charge (if applicable)
          OE   Total operating expenses   O1 + O2 + O3 + O4 + O5
               Annual depreciation and interest
          D1   Depreciation               TIC multiplied by an annual
                                          depreciation schedule
          D2   Interest                   Total outstanding loan multiplied by
                                          interest rate
          DA   Total depreciation & interest  D1 + D2
          TI   Annual taxable income      RA – (OE + DA)
          TA   Taxes                      TI tax rate
                                            ∗
          NIA  Net income                 RA – (OE + DA + TA)
          CF   After tax cash flow         NIA + D1-Principal payment on
                                          debt
        TABLE 13-3  Structure of an Income Statement for a Typical Wind Project



              Financial Performance
              Financial performance of a wind project is measured in terms of the
              following parameters: Levelized cost of energy, net present value, pay-
              back period, and internal rate of return.
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