taxonomy().concept(ferc:RespondentLegalName).label("http://ferc.gov/form/2020-01-01/roles/label/F1Header").text Name of Respondent:

[@ferc:RespondentLegalName @period=$currentDuration] Duke Energy Kentucky, Inc.
taxonomy().concept(ferc:SubmissionType).label("http://ferc.gov/form/2020-01-01/roles/label/F1Header").text This report is:

(1) if missing({covered @concept=ferc:SubmissionType}) ☐ An Original']]> else if [@concept=ferc:SubmissionType @period=$currentDuration] == "O" ☑ An Original']]> else ☐ An Original']]> An Original

(2) if missing([covered @concept=ferc:SubmissionType @period=$currentDuration]) ☐ A Resubmission']]> else if [@concept=ferc:SubmissionType @period=$currentDuration] == "R" ☑ A Resubmission']]> else ☐ A Resubmission']]> A Resubmission
taxonomy().concept(ferc:ReportDate).label("http://ferc.gov/form/2020-01-01/roles/label/F1Header").text Date of Report:

[@ferc:ReportDate @period=$currentDuration] 04/26/2019
taxonomy().concept(ferc:ReportYearPeriod).label("http://ferc.gov/form/2020-01-01/roles/label/F1Header").text Year/Period of Report:

End of: [@ferc:ReportYear @period=$currentDuration] 2018 / [@ferc:ReportPeriod @period=$currentDuration] Q4
taxonomy().concept(ferc:SchedulePurchasesSalesOfAncillaryServicesAbstract).label("http://ferc.gov/form/2020-01-01/roles/label/F1FScheduleTitle").text PART XXII: PURCHASES AND SALES OF ANCILLARY SERVICES
taxonomy().concept(ferc:SchedulePurchasesSalesOfAncillaryServicesAbstract).label("http://ferc.gov/form/2020-01-01/roles/label/F1Instructions").text

Report the amounts for each type of ancillary service shown in column (a) for the year as specified in Order No. 888 and defined in the respondents Open Access Transmission Tariff.
In columns for usage, report usage-related billing determinant and the unit of measure.

  1. On line 1 columns (b), (c), (d), (e), (f) and (g) report the amount of ancillary services purchased and sold during the year.
  2. On line 2 columns (b) (c), (d), (e), (f), and (g) report the amount of reactive supply and voltage control services purchased and sold during the year.
  3. On line 3 columns (b) (c), (d), (e), (f), and (g) report the amount of regulation and frequency response services purchased and sold during the year.
  4. On line 4 columns (b), (c), (d), (e), (f), and (g) report the amount of energy imbalance services purchased and sold during the year.
  5. On lines 5 and 6, columns (b), (c), (d), (e), (f), and (g) report the amount of operating reserve spinning and supplement services purchased and sold during the period.
  6. On line 7 columns (b), (c), (d), (e), (f), and (g) report the total amount of all other types ancillary services purchased or sold during the year. Include in a footnote and specify the amount for each type of other ancillary service provided.
Amount Purchased for the Year Amount Sold for the Year
Usage - Related Billing Determinant Usage - Related Billing Determinant
Line No. $headings = filter (taxonomy().concept(ferc:SchedulePurchasesSalesOfAncillaryServicesAbstract).references("http://ferc.gov/form/2020-01-01/roles/reference/columnDetails")) where ($item.part-by-name(ferc-part:Schedule).part-value == "398 - Schedule - Purchases and Sales of Ancillary Services") $headings = list(for $ref in $headings list($ref.part-by-name(ferc-part:Column).part-value, $ref.part-by-name(ferc-part:ColumnName).part-value)) $heading_dict = dict(for $row in $headings list("("+$row[1]+")",$row[2]) ); for $row in $heading_dict.keys.sort
$heading_dict[$row] Type of Ancillary Service
$row (a)
1 taxonomy().concept(ferc:SchedulingSystemControlAndDispatchMember).label("http://ferc.gov/form/2020-01-01/roles/label/F1PurchasesandSalesAncillaryServices").text Scheduling, System Control and Dispatch first(list([@ferc:AncillaryServicesPurchasedNumberOfUnits @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:SchedulingSystemControlAndDispatchMember])) 3,765 first(list([@ferc:AncillaryServicesPurchasedNumberOfUnitsPower @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:SchedulingSystemControlAndDispatchMember])) 3,765 first(list([@ferc:AncillaryServicesPurchasedAmount @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:SchedulingSystemControlAndDispatchMember])) $341,876,987 first(list([@ferc:AncillaryServicesSoldNumberOfUnits @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:SchedulingSystemControlAndDispatchMember])) 643,877 first(list([@ferc:AncillaryServicesSoldUnitsOfMeasure @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:SchedulingSystemControlAndDispatchMember])) 3,765 first(list([@ferc:AncillaryServicesSoldAmount @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:SchedulingSystemControlAndDispatchMember])) $5,876,345
2 taxonomy().concept(ferc:ReactiveSupplyAndVoltageMember).label("http://ferc.gov/form/2020-01-01/roles/label/F1PurchasesandSalesAncillaryServices").text Reactive Supply and Voltage first(list([@ferc:AncillaryServicesPurchasedNumberOfUnits @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:ReactiveSupplyAndVoltageMember])) 67,876 first(list([@ferc:AncillaryServicesPurchasedNumberOfUnitsPower @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:ReactiveSupplyAndVoltageMember])) $3,987,456 first(list([@ferc:AncillaryServicesPurchasedAmount @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:ReactiveSupplyAndVoltageMember])) $3,987,456 first(list([@ferc:AncillaryServicesSoldNumberOfUnits @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:ReactiveSupplyAndVoltageMember])) 1,324,987 first(list([@ferc:AncillaryServicesSoldUnitsOfMeasure @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:ReactiveSupplyAndVoltageMember])) 1,324,987 first(list([@ferc:AncillaryServicesSoldAmount @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:ReactiveSupplyAndVoltageMember])) $76,987,099
3 taxonomy().concept(ferc:RegulationAndFrequencyResponseMember).label("http://ferc.gov/form/2020-01-01/roles/label/F1PurchasesandSalesAncillaryServices").text Regulation and Frequency Response first(list([@ferc:AncillaryServicesPurchasedNumberOfUnits @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:RegulationAndFrequencyResponseMember])) 23,986 first(list([@ferc:AncillaryServicesPurchasedNumberOfUnitsPower @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:RegulationAndFrequencyResponseMember])) 3,765 [@ferc:AncillaryServicesPurchasedAmount @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:RegulationAndFrequencyResponseMember] $8,976,675 [@ferc:AncillaryServicesSoldNumberOfUnits @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:RegulationAndFrequencyResponseMember] 7,778 first(list([@ferc:AncillaryServicesSoldUnitsOfMeasure @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:RegulationAndFrequencyResponseMember])) 1,324,987 [@ferc:AncillaryServicesSoldAmount @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:RegulationAndFrequencyResponseMember] $222,343
4 taxonomy().concept(ferc:EnergyImbalanceMember).label("http://ferc.gov/form/2020-01-01/roles/label/F1PurchasesandSalesAncillaryServices").text Energy Imbalance first(list([@ferc:AncillaryServicesPurchasedNumberOfUnits @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:EnergyImbalanceMember])) 666,111 first(list([@ferc:AncillaryServicesPurchasedNumberOfUnitsPower @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:EnergyImbalanceMember])) 3,765 first(list([@ferc:AncillaryServicesPurchasedAmount @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:EnergyImbalanceMember])) $776,978,999 first(list([@ferc:AncillaryServicesSoldNumberOfUnits @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:EnergyImbalanceMember])) 348,987 first(list([@ferc:AncillaryServicesSoldUnitsOfMeasure @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:EnergyImbalanceMember])) 1,324,987 first(list([@ferc:AncillaryServicesSoldAmount @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:EnergyImbalanceMember])) $88,876,007
5 taxonomy().concept(ferc:OperatingReserveSpinningMember).label("http://ferc.gov/form/2020-01-01/roles/label/F1PurchasesandSalesAncillaryServices").text Operating Reserve - Spinning first(list([@ferc:AncillaryServicesPurchasedNumberOfUnits @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OperatingReserveSpinningMember])) 33,876 first(list([@ferc:AncillaryServicesPurchasedNumberOfUnitsPower @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OperatingReserveSpinningMember])) 3,765 first(list([@ferc:AncillaryServicesPurchasedAmount @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OperatingReserveSpinningMember])) $76,987,078 first(list([@ferc:AncillaryServicesSoldNumberOfUnits @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OperatingReserveSpinningMember])) 55,556 first(list([@ferc:AncillaryServicesSoldUnitsOfMeasure @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OperatingReserveSpinningMember])) 1,324,987 first(list([@ferc:AncillaryServicesSoldAmount @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OperatingReserveSpinningMember])) $666,777,222
6 taxonomy().concept(ferc:OperatingReserveSupplementMember).label("http://ferc.gov/form/2020-01-01/roles/label/F1PurchasesandSalesAncillaryServices").text Operating Reserve - Supplement first(list([@ferc:AncillaryServicesPurchasedNumberOfUnits @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OperatingReserveSupplementMember])) 45,658 first(list([@ferc:AncillaryServicesPurchasedNumberOfUnitsPower @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OperatingReserveSupplementMember])) 3,765 first(list([@ferc:AncillaryServicesPurchasedAmount @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OperatingReserveSupplementMember])) $7,834,985 first(list([@ferc:AncillaryServicesSoldNumberOfUnits @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OperatingReserveSupplementMember])) 543,765,824 first(list([@ferc:AncillaryServicesSoldUnitsOfMeasure @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OperatingReserveSupplementMember])) 1,324,987 first(list([@ferc:AncillaryServicesSoldAmount @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OperatingReserveSupplementMember])) $56,765,349
7 taxonomy().concept(ferc:OtherAncillaryServicesMember).label("http://ferc.gov/form/2020-01-01/roles/label/F1PurchasesandSalesAncillaryServices").text Other first(list([@ferc:AncillaryServicesPurchasedNumberOfUnits @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OtherAncillaryServicesMember])) 3,765 first(list([@ferc:AncillaryServicesPurchasedNumberOfUnitsPower @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OtherAncillaryServicesMember])) 12,432 first(list([@ferc:AncillaryServicesPurchasedAmount @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OtherAncillaryServicesMember])) $87,987,987 first(list([@ferc:AncillaryServicesSoldNumberOfUnits @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OtherAncillaryServicesMember])) 49,816 first(list([@ferc:AncillaryServicesSoldUnitsOfMeasure @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OtherAncillaryServicesMember])) 1,324,987 first(list([@ferc:AncillaryServicesSoldAmount @period = $currentDuration @ferc:AncillaryServicesPurchasesAndSalesAxis=ferc:OtherAncillaryServicesMember])) $82,344,883
8 taxonomy().concept(ferc:AncillaryServicesPurchasesAndSalesDomain).label("http://ferc.gov/form/2020-01-01/roles/label/F1Total").text Total (Lines 1 thru 7) first(list([@ferc:AncillaryServicesPurchasedNumberOfUnits @period = $currentDuration])) 51,999 first(list([@ferc:AncillaryServicesPurchasedNumberOfUnitsPower @period = $currentDuration])) 3,765 first(list([@ferc:AncillaryServicesPurchasedAmount @period = $currentDuration])) $397,854,206 first(list([@ferc:AncillaryServicesSoldNumberOfUnits @period = $currentDuration])) 0 first(list([@ferc:AncillaryServicesSoldUnitsOfMeasure @period = $currentDuration])) 1,324,987 first(list([@ferc:AncillaryServicesSoldAmount @period = $currentDuration])) $0