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Stock-based Compensation Expense Restricted and Performance Stock Unit activity (Tables)

12 Months Ended

Dec. 31, 2024

Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures [Abstract]

Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

Pursuant to the Portland General Electric Company Stock Incentive Plan as amended and restated effective April 21, 2023 (the Plan), the Company may grant a variety of equity-based awards, including RSUs with time-based vesting conditions (time-based RSUs) and performance-based vesting conditions (performance-based RSUs), to non-employee directors, officers, or certain key employees. RSU activity is summarized in the following table:

			Units						Weighted Average Grant Date Fair Value
Nonvested units as of December 31, 2021			574,810						$	48.07
Granted			271,696						51.29
Forfeited			(76,913)						49.48
Vested			(190,132)						49.11
Nonvested units as of December 31, 2022			579,461						49.23
Granted			421,788						47.82
Forfeited			(57,566)						48.03
Vested			(297,986)						52.45
Nonvested units as of December 31, 2023			645,697						47.57
Granted			478,509						41.02
Forfeited			(20,774)						45.32
Vested			(306,639)						44.76
Nonvested units as of December 31, 2024			796,793						44.78

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

For the TSR portion of the performance-based RSUs, fair value is determined using a Monte Carlo simulation with the following weighted average assumptions:

			2024												2023												2022
Risk-free interest rate									4.3		%										4.2		%										1.7		%
Expected term (in years)									2.9												2.9												2.9
Volatility			12.4		%	-			53.2		%				21.8		%	-			31.5		%				26.4		%	-			37.9		%

X

- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

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-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

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-Subparagraph (f)(2)
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-Section 50
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