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Earnings Per Share
12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Earnings Per Share EARNINGS PER SHAREBasic earnings per share are computed based on the weighted average number of common shares outstanding during the year. Diluted earnings per share are computed using the weighted average number of common shares outstanding and the effect of dilutive potential common shares outstanding during the year using the treasury stock method. Potential common shares consist of: i) employee stock purchase plan shares; and ii) contingently issuable time-based and performance-based restricted stock units, along with associated DERs. Unvested performance-based restricted stock units and associated DERs are included in dilutive potential common shares only after the performance criteria have been met. Anti-dilutive stock awards are excluded from the calculation of diluted earnings per common share.
Net income attributable to PGE common shareholders is the same for both the basic and diluted earnings per share computations. The reconciliations of the denominators of the basic and diluted earnings per share computations are as follows (in thousands):
 Years Ended December 31,
 202120202019
Weighted average common shares outstanding—basic89,481 89,485 89,353 
Dilutive potential common shares146 160 206 
Weighted average common shares outstanding—diluted89,627 89,645 89,559