Avista (AVA)

Document and Entity Information

Document and Entity InformationMay 14, 2021
Cover [Abstract]
Document Type8-K
Amendment Flagfalse
Document Period End DateMay 14,
Entity Registrant NameAVISTA CORPORATION
Entity Central Index Key0000104918
Entity Emerging Growth Companyfalse
Entity File Number1-3701
Entity Incorporation, State or Country CodeWA
Entity Tax Identification Number91-0462470
Entity Address, Address Line One1411 East Mission Avenue
Entity Address, City or TownSpokane
Entity Address, State or ProvinceWA
Entity Address, Postal Zip Code99202-2600
City Area Code509
Local Phone Number489-0500
Written Communicationsfalse
Soliciting Materialfalse
Pre-commencement Tender Offerfalse
Pre-commencement Issuer Tender Offerfalse
Entity Information, Former Legal or Registered NameNone
Title of Each ClassCommon Stock
Trading SymbolsAVA
Name of Each Exchange on Which RegisteredNYSE