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Recent Financing Transactions
3 Months Ended
Mar. 31, 2023
Debt Instrument [Line Items]  
Recent Financing Transactions Recent Financing Transactions
Credit Facilities

In April 2023, AltaLink Investments, L.P. extended, with lender consent, the expiration date for its existing C$200 million one year revolving credit facility to April 2024, by exercising a one-year extension option.
PAC  
Debt Instrument [Line Items]  
Recent Financing Transactions Recent Financing Transactions
Common Shareholders' Equity

In January 2023, PacifiCorp declared a common stock dividend of $300 million, paid in February 2023, to PPW Holdings LLC.
NPC  
Debt Instrument [Line Items]  
Recent Financing Transactions Recent Financing Transactions
Long-Term Debt

In March 2023, Nevada Power repurchased and entered into a re-offering of the following series of fixed-rate tax-exempt bonds: $40 million of its Coconino County, Arizona Pollution Control Corporation Revenue Bonds, Series 2017A, due 2032; $13 million of its Coconino County, Arizona Pollution Control Corporation Revenue Bonds, Series 2017B, due 2039; and $40 million of its Clark County, Nevada Revenue Bonds, Series 2017, due 2036. The Coconino Series 2017A bond was offered at a fixed rate of 4.125% and the Coconino Series 2017B and Clark Series 2017 bonds were offered at a fixed rate of 3.750%.