gistfile1.txt

 def solar_rebates(state, pv_electricity, pv_cost, pv_capacity, pv_type)
#pv_electricity is the total pv_electricity produced in a year in kWh
#pv_capacity is the total power of the installation in kW
#pv_type is "residential" or "non-residential"

    @tax_credit = 0.0
    @rebate = 0.0
    @production_credit = 0.0
    @REC_sale = 0.0
    @residential_rebate = 0.0
    
    i = pv_cost*0.3
    if i <= 2000.0
      fed_tax_credit = i
    else
      fed_tax_credit = 2000.0
    end
    
    
    case state
      
      when "AL"
        @production_credit = 0.15*pv_electricity
        if pv_type == "residential"
          @residential_rebate = 500.0
        end
        
      when "AK"
        if pv_capacity <= 25.0
         @production_credit = 1.5*pv_electricity
        end
       
      when "AZ"
        if pv_cost <= 1000.0
          @tax_credit = 0.25*pv_cost
        end
        
      when "AR"
      
      when "CA"
        @rebate = 2.5*pv_capacity*1000.0
        
      when "CO"
      
      when "CT"
        if pv_capacity <= 5.0
          @rebate = 5.0*pv_capacity*1000.0
        else
          @rebate = 25000.0 + (pv_capacity - 5.0)*4.3
        end
        if @rebate > 46500.0 and pv_type == "residential"
          @rebate = 46500.0
        end
        @REC_sale = 0.03*pv_electricity
        
      when "DE"
        if 0.4*pv_cost <= 31500.0
          @rebate = 0.4*pv_cost
        else
          @rebate = 31500.0
        end
        
      when "FL"
        if pv_capacity*4.0 <= 46500.0
          @rebate = 4.0*pv_capacity
        else
          @rebate = 46500.0
        end
        
      when "GA"
        @production_credit = 0.15*pv_electricity
        if pv_type == "residential"
          @residential_rebate = 500.0
        end
        
      when "HI"
        if pv_cost*0.35 <= 5000.0
          @tax_credit = 0.35*pv_cost
        else
          @tax_credit = 5000.0
        end
        
      when "ID"
        if 0.4*pv_cost <= 5000.0
          @tax_credit = 0.4*pv_cost +3.0*0.2*pv_cost
        elsif 0.4*pv_cost > 5000.0 and 0.2*pv_cost <= 5000.0
          @tax_credit = 5000.0 + 3*0.2*pv_cost
        else
          @tax_credit = 20000.0
        end
        @REC_sale = 0.05*pv_electricity
      
      when "IL"
        if pv_cost*0.3 <= 10000.0 and pv_capacity > 0.8
          @rebate = 0.3*pv_cost
        elsif pv_cost*0.3 > 10000.0 and pv_capacity > 0.8
          @rebate = 10000.0
        end
        
      when "IN"
        
      when "IA"
        @tax_credit = 0.015*pv_electricity
        
      when "KS"
        
      when "KY"
        @production_credit = 0.15*pv_electricity
        if pv_type == "residential"
          @residential_rebate = 500.0
        end
        
      when "LA"
        if pv_cost*0.5 <= 25000.0
          @tax_credit = pv_cost*0.5
        else
          @tax_credit = 25000.0
        end
        
      when "ME"
        if pv_capacity <= 2.0
          @rebate = 3.0*pv_capacity*1000.0
        elsif pv_capacity > 2.0 and pv_capacity <=3.0
          @rebate = 6000.0 + (pv_capacity -2.0)*1000.0
        else
          @rebate = 7000.0
        end
        
      when "MD"
        @tax_credit = 0.85*pv_electricity
        if pv_cost*0.2 <= 3000.0
          @rebate = 0.2*pv_cost
        else
          @rebate = 3000.0
        end
        
      when "MA"
        if pv_cost*0.15 <=1000.0
          @tax_credit = pv_cost*0.15
        else
          @tax_credit = 1000.0
        end
        if pv_capacity*2000 <= 7200.0
          @rebate = pv_capacity*2000.0
        else
          @rebate = 7200.0
        end
        @REC_sale = 0.03*pv_electricity
        
      when "MI"
        
      when "MN"
        if pv_capacity*2.25*1000.0 <= 20000.0
          @rebate = pv_capacity*2.25*1000.0
        else
          @rebate = 20000.0
        end
        
      when "MS"
        @production_credit = 0.15*pv_electricity
        if pv_type == "residential"
          @residential_rebate = 500.0
        end
      
      when "MO"
      
      when "MT"
        if pv_cost <= 500.0
          @tax_credit = pv_cost
        else
          @tax_credit = 500.0
        end
        @REC_sale = 0.05*pv_electricity
        
      when "NE"
        
      when "NV"
        
      when "NH"
      
      when "NJ"
        if pv_capacity <= 10.0
          @rebate = 4.4*pv_capacity*1000.0
        elsif pv_capacity > 10.0 and pv_capacity <= 30.0
          @rebate = 44000.0 +3.45*(pv_capacity - 10.0)*1000.0
        elsif pv_capacity > 30.0 and pv_capacity <= 60.0
          @rebate = 113000.0 + 2.8*(pv_capacity - 30.0)*1000.0
        else
          @rebate = 197000.0 + 2.6*(pv_capacity - 60.0)*1000.0
        end
        @REC_sale = 0.2*pv_electricity
        
      when "NM"
        if pv_cost*0.3 - fed_tax_credit <= 9000.0
          @tax_credit = pv_cost*0.3 - fed_tax_credit
        else
          @tax_credit = 9000.0
        end
        
      when "NY"
        if pv_cost*0.25 <= 5000.0
          @tax_credit = pv_cost*0.25
        else
          @tax_credit = 5000.0
        end
        if pv_capacity <= 5.0
          @rebate = pv_capacity*4.0*1000.0
        elsif pv_capacity > 5.0 and pv_capacity <= 10.0
          @rebate = 20000.0 + (pv_capacity - 5.0)*3.0*1000.0
        else
          @rebate = 35000.0
        end
        
      when "NC"
        if pv_cost*0.35 <= 10500.0
          @tax_credit = pv_cost*0.35
        else
          @tax_credit = 10500.0
        end
        @production_credit = 0.15*pv_electricity
        if pv_type == "residential"
          @residential_rebate = 500.0
        end
        @REC_sale = 0.18*pv_electricity
        
      when "ND"
        @tax_credit = pv_cost*0.03*5.0
        
      when "OH"
        
      when "OK"
      
      when "OR"
        if pv_capacity*3.0*1000.0 <= 6000.0 and pv_capacity*3.0*1000.0 <= 0.5*pv_cost
          @tax_credit = pv_capacity*3.0*1000.0
        elsif 6000.0 < 0.5*pv_cost
          @tax_credit = 6000.0
        else
          @tax_credit = 0.5*pv_cost
        end
        if pv_capacity*2.0*1000.0 <= 10000.0
          @rebate = pv_capacity*2.0*1000.0
        else
          @rebate = 10000.0
        end
        @REC_sale = 0.05*pv_electricity
      
      when "PA"
      
      when "RI"
        if pv_cost*0.25 <= 15000.0
          @tax_credit = pv_cost*0.25
        else
          @tax_credit = 15000.0
        end
        @REC_sale = 0.06*pv_electricity
        
      when "SC"
        if pv_cost*0.25 <= 3500.0
          @tax_credit = 0.25*pv_cost
        else
          @tax_credit = 3500.0
        end
        
      when "SD"
      
      when "TN"
        @production_credit = 0.15*pv_electricity
        if pv_type == "residential"
          @residential_rebate = 500.0
        end
        
      when "TX"
      
      when "UT"
        if pv_cost*0.25 <= 2000.0
          @tax_credit = pv_cost*0.25
        else
          @tax_credit = 2000.0
        end
        
      when "VT"
        if pv_capacity*1.75*1000.0 <= 8750.0
          @rebate = pv_capacity*1.75*1000.0
        else
          @rebate = 8750.0
        end
        
      when "VA"
        @production_credit = 0.15*pv_electricity
        if pv_type == "residential"
          @residential_rebate = 500.0
        end
        
      when "WA"
        if 0.12*pv_electricity <= 2000.0
          @rebate = 0.12*pv_electricity
        else
          @rebate = 2000.0
        end
        @REC_sale = 0.05*pv_electricity
        
      when "WV"
        
      when "WI"
        if pv_cost*0.25 <= 35000.0
          @rebate = pv_cost*0.25
        else
          @rebate = 35000.0
        end
        
      when "WY"
        if pv_cost*0.5 <= 3000.0
          @rebate = pv_cost*0.5
        else
          @rebate = 3000.0
        end
        
    end            
      

    @tax_credit = @tax_credit + fed_tax_credit

  end