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Equity Investments (Tables)
 12 Months Ended
Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract]  
Summary of Equity Investments

The following table summarizes Avista Corp.’s equity investments, which are included in “Other property and investments- net and other non-current assets” on the Consolidated Balance Sheets as of December 31 (dollars in millions):

 

 

2024

 

 

2023

 

Equity method investments

 

$

77

 

 

$

79

 

Investments without readily determinable fair value

 

 

 

 

 

 

Non-recurring fair value

 

 

27

 

 

 

24

 

Recurring fair value

 

 

53

 

 

 

50

 

Total

 

$

157

 

 

$

153

 
Summary of Net Unrealized Gains Related to Investments without Readily Determinable Fair Value he following table summarizes net unrealized gains (losses) related to investments without readily determinable fair value held as of the end of the respective period for the years ended December 31 (dollars in millions):

 

 

2024

 

 

2023

 

 

2022

 

Investments recorded at non-recurring fair value

 

$

—

 

 

$

—

 

 

$

12

 

Investments recorded at recurring fair value

 

 

—

 

 

 

(4

)

 

 

33

 

Total

 

$

—

 

 

$

(4

)

 

$

45