Committed Lines of Credit (Tables)

3 Months Ended

Mar. 31, 2022

Avista Utilities [Member]

Short-term Debt [Line Items]

Schedule of Balances Outstanding and Interest Rates of Borrowings

Balances outstanding and interest rates of borrowings (excluding letters of credit) under the Company’s revolving committed line of credit were as follows as of March 31, 2022 and December 31, 2021 (dollars in thousands):

	March 31,		December 31,
	2022		2021
Balance outstanding at end of period (1)	$	—	$	284,000
Letters of credit outstanding at end of period	$	29,288	$	34,000
Average interest rate at end of period		—		1.11	%

(1)During March 2022, the Company issued $400.0 million in first mortgage bonds which were used to repay the outstanding balance of the committed line of credit. See Note 9 for further discussion of the bond issuance.