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Financing Activities (Tables)
6 Months Ended
Jun. 30, 2015
Financing Activities [Line Items]  
Credit Facilities in Place at Period End

The following credit facilities were in place at:

June 30, 2015December 31, 2014
Letters ofLetters of
CreditCredit
andand
CommercialCommercial
ExpirationPaperUnusedPaper
DateCapacityBorrowedIssuedCapacityBorrowedIssued
PPL
U.K.
WPD plc
Syndicated Credit FacilityDec. 2016£ 210 £ 130 £ 80 £ 103
WPD (South West)
Syndicated Credit Facility July 2019 245 245
WPD (East Midlands)
Syndicated Credit Facility July 2019 300 112 188 64
WPD (West Midlands)
Syndicated Credit FacilityJuly 2019 300 300
Uncommitted Credit Facilities 65 £ 4 61 £ 5
Total U.K. Credit Facilities (a)£ 1,120 £ 242 £ 4 £ 874 £ 167 £ 5
U.S.
PPL Capital Funding
Syndicated Credit Facility July 2019$ 300 $ 300
Syndicated Credit Facility Nov. 2018 300 300
Bilateral Credit FacilityMar. 2016 150 $ 20 130 $ 21
Uncommitted Credit Facility 65 1 64 1
Total PPL Capital Funding Credit Facilities$ 815 $ 21 $ 794 $ 22
PPL Electric
Syndicated Credit Facility July 2019$ 300 $ 169 $ 131 $ 1
LKE
Syndicated Credit Facility (b)Oct. 2018$ 75 $ 75 $ 75
LG&E
Syndicated Credit Facility July 2019$ 500 $ 259 $ 241 $ 264
KU
Syndicated Credit Facility July 2019$ 400 $ 227 $ 173 $ 236
Letter of Credit FacilityOct. 2017 198 198 198
Total KU Credit Facilities$ 598 $ 425 $ 173 $ 434

(a) WPD plc's amounts borrowed at June 30, 2015 and December 31, 2014 were USD-denominated borrowings of $200 million and $161 million, which bore interest at 1.89% and 1.86%. WPD (East Midlands) amounts borrowed at June 30, 2015 and December 31, 2014 were GBP-denominated borrowings which equated to $171 million and $100 million, which bore interest at 1.01% for both periods. At June 30, 2015, the unused capacity under the U.K. credit facilities was $1.3 billion.

(b) LKE’s interest rates on outstanding borrowings at June 30, 2015 and December 31, 2014, were 1.44% and 1.67%.

PPL Electric Utilities Corp [Member]  
Financing Activities [Line Items]  
Commercial paper

The following commercial paper programs were in place at:

June 30, 2015December 31, 2014
Weighted -CommercialWeighted -Commercial
Average PaperUnusedAverage Paper
Interest RateCapacityIssuancesCapacityInterest RateIssuances
PPL Electric0.42%$ 300 $ 168 $ 132
LG&E0.49% 350 259 91 0.42%$ 264
KU0.48% 350 227 123 0.49% 236
Total $ 1,000 $ 654 $ 346 $ 500
Louisville Gas And Electric Co [Member]  
Financing Activities [Line Items]  
Commercial paper

The following commercial paper programs were in place at:

June 30, 2015December 31, 2014
Weighted -CommercialWeighted -Commercial
Average PaperUnusedAverage Paper
Interest RateCapacityIssuancesCapacityInterest RateIssuances
PPL Electric0.42%$ 300 $ 168 $ 132
LG&E0.49% 350 259 91 0.42%$ 264
KU0.48% 350 227 123 0.49% 236
Total $ 1,000 $ 654 $ 346 $ 500
Kentucky Utilities Co [Member]  
Financing Activities [Line Items]  
Commercial paper

The following commercial paper programs were in place at:

June 30, 2015December 31, 2014
Weighted -CommercialWeighted -Commercial
Average PaperUnusedAverage Paper
Interest RateCapacityIssuancesCapacityInterest RateIssuances
PPL Electric0.42%$ 300 $ 168 $ 132
LG&E0.49% 350 259 91 0.42%$ 264
KU0.48% 350 227 123 0.49% 236
Total $ 1,000 $ 654 $ 346 $ 500