Question 1

What is Pinnacle West Capital's P/E ratio?

Accepted Answer

Pinnacle West Capital (PNW) P/E ratio is 19.5× as of June 5, 2026. The ratio is calculated by dividing market capitalisation by trailing twelve-month earnings (net income), using USD-normalised financials (IAS 21 exchange-rate translation for non-USD reporters).

Question 2

How is the P/E ratio calculated?

Accepted Answer

P/E = Share Price ÷ Trailing Twelve-Month (TTM) Diluted EPS, or equivalently Market Capitalisation ÷ TTM Net Income. All inputs are sourced from audited GAAP/IFRS filings and translated to USD using period-end exchange rates so the multiple is comparable across companies and currencies.

Question 3

What is the P/E ratio?

Accepted Answer

The price-to-earnings (P/E) ratio, also called the earnings multiple, measures how much investors pay per dollar of a company's trailing twelve-month (TTM) earnings. It is calculated as share price ÷ TTM diluted EPS (equivalent to market capitalisation ÷ TTM net income). A higher P/E implies the market is pricing in stronger future earnings growth or lower risk; a lower P/E can signal slower expected growth, higher risk, or potential undervaluation.

Question 4

What is a good P/E ratio for Pinnacle West Capital?

Accepted Answer

There is no universal "good" P/E. As a rule of thumb, the S&P 500 has historically averaged a P/E in the mid-to-high teens; mature, slow-growth businesses commonly trade in the 10–18× range, while high-growth or asset-light companies often trade at 25–50×+. What matters is the comparison to sector peers and to the company's own historical range. For Pinnacle West Capital specifically, the relevant sector benchmark is the current sector median of 21.4×.

Question 5

Is Pinnacle West Capital's P/E ratio high or low?

Accepted Answer

Pinnacle West Capital's P/E ratio of 19.5× is above its own 5-year average of 16.7× and below the sector median of 21.4×. That places the current reading at the 86th percentile of its 10-year history. A higher multiple usually reflects stronger expected growth, lower perceived risk, or higher returns on capital; a lower multiple reflects the opposite.

Question 6

What is Pinnacle West Capital's historical P/E ratio range?

Accepted Answer

In the available daily series, Pinnacle West Capital (PNW) P/E ratio has ranged from a low of 8.9× in 2002 to a high of 124.1× in 2009. The 5-year average is 16.7× and the 5-year median is 16.3×.

Question 7

What was Pinnacle West Capital's P/E ratio in 2025?

Accepted Answer

Pinnacle West Capital (PNW) P/E ratio at the end of 2025 was 17.2×. Annual values reflect the multiple on the last trading day of each calendar year, using the trailing twelve-month earnings figure available at that date.

Question 8

Why does Pinnacle West Capital's P/E ratio change over time?

Accepted Answer

Valuation multiples move with two inputs: the numerator (market capitalisation, which tracks the share price) and the denominator (earnings). Share-price changes — driven by interest rates, earnings expectations, risk appetite, and broader market sentiment — typically dominate short-term moves, while changes in the underlying fundamental drive the longer-term trend. As a result, the ratio can rise during stock-price rallies even if the business itself has not become more valuable, and fall during sell-offs even when fundamentals are improving.


2025	$10.62B	$616.53M	17.2×	+1.3×	Dec 31, 2025
2024	$9.69B	$608.81M	15.9×	-0.3×	Dec 31, 2024
2023	$8.16B	$501.56M	16.3×	-1.6×	Dec 31, 2023
2022	$8.62B	$483.60M	17.8×	+4.9×	Dec 31, 2022
2021	$7.98B	$618.72M	12.9×	-3.5×	Dec 31, 2021
2020	$9.01B	$550.56M	16.4×	-2.4×	Dec 31, 2020
2019	$10.12B	$538.32M	18.8×	+0.1×	Dec 31, 2019
2018	$9.56B	$511.05M	18.7×	-0.8×	Dec 31, 2018
2017	$9.54B	$488.46M	19.5×	-0.2×	Dec 31, 2017
2016	$8.70B	$442.03M	19.7×	+3.3×	Dec 31, 2016
2015	$7.17B	$437.26M	16.4×	-2.6×	Dec 31, 2015
2014	$7.57B	$397.60M	19.0×	+4.7×	Dec 31, 2014
2013	$5.83B	$406.07M	14.4×	-0.3×	Dec 31, 2013
2012	$5.59B	$381.54M	14.7×	-0.8×	Dec 31, 2012
2011	$5.26B	$339.47M	15.5×	+2.6×	Dec 31, 2011
2010	$4.51B	$350.05M	12.9×	-41.4×	Dec 31, 2010
2009	$3.71B	$68.33M	54.2×	+40.9×	Dec 31, 2009
2008	$3.24B	$242.13M	13.4×	-0.5×	Dec 31, 2008
2007	$4.26B	$307.14M	13.9×	-1.6×	Dec 31, 2007
2006	$5.06B	$327.25M	15.5×	-7.6×	Dec 31, 2006
2005	$4.07B	$176.27M	23.1×	+6.3×	Dec 31, 2005
2004	$4.07B	$243.19M	16.8×	+1.6×	Dec 31, 2004
2003	$3.65B	$240.58M	15.2×	-5.6×	Dec 31, 2003
2002	$3.11B	$149.41M	20.8×	+9.5×	Dec 31, 2002
2001	$3.55B	$312.17M	11.4×	—	Dec 31, 2001


Alliant Energy (LNT)	22.5×
American States Water (AWR)	22.1×
Middlesex Water (MSEX)	21.8×
Evergy (EVRG)	21.4×
H2O America (HTO)	21.2×
CMS Energy (CMS)	21.1×
Essential Utilities (WTRG)	20.5×
Ameren (AEE)	19.9×
Duke Energy (DUK)	19.8×
MGE Energy (MGEE)	19.8×
American Electric Power Company (AEP)	19.4×
Consolidated Edison (ED)	19.1×
Dominion Energy (D)	18.3×
Black Hills (BKH)	18.2×
Exelon (EXC)	18.1×
Public Service Enterprise Group (PEG)	17.8×
Northwest Natural Holding (NWN)	17.7×
New Jersey Resources (NJR)	16.2×
Avista (AVA)	16.0×
Eversource Energy (ES)	14.9×
Artesian Resources (ARTNA)	14.1×
PG&E (PCG)	13.1×
UGI (UGI)	12.2×
Edison International (EIX)	7.6×
AES (AES)	7.5×

P/E Ratio for Pinnacle West Capital (PNW)

P/E Ratio daily chart for Pinnacle West Capital (PNW)

Historical P/E Ratio for Pinnacle West Capital (PNW) from 2001 to 2025

About P/E Ratio at Pinnacle West Capital (PNW)

Pinnacle West Capital P/E Ratio by Year

Pinnacle West Capital P/E Ratio 2025: 17.2×

Pinnacle West Capital P/E Ratio 2024: 15.9×

Pinnacle West Capital P/E Ratio 2023: 16.3×

Pinnacle West Capital P/E Ratio 2022: 17.8×

Pinnacle West Capital P/E Ratio 2021: 12.9×

Sector peers by P/E Ratio — chart

Sector peers by P/E Ratio — table

Frequently asked questions

Pinnacle West Capital (PNW) Key Financials

P/E Ratio daily chart for Pinnacle West Capital (PNW)

Historical P/E Ratio for Pinnacle West Capital (PNW) from 2001 to 2025

About P/E Ratio at Pinnacle West Capital (PNW)

Pinnacle West Capital P/E Ratio by Year

Pinnacle West Capital P/E Ratio 2025: 17.2×

Pinnacle West Capital P/E Ratio 2024: 15.9×

Pinnacle West Capital P/E Ratio 2023: 16.3×

Pinnacle West Capital P/E Ratio 2022: 17.8×

Pinnacle West Capital P/E Ratio 2021: 12.9×

Sector peers by P/E Ratio — chart

Sector peers by P/E Ratio — table

Frequently asked questions

+What is Pinnacle West Capital's P/E ratio?

+How is the P/E ratio calculated?

+What is the P/E ratio?

+What is a good P/E ratio for Pinnacle West Capital?

+Is Pinnacle West Capital's P/E ratio high or low?

+What is Pinnacle West Capital's historical P/E ratio range?

+What was Pinnacle West Capital's P/E ratio in 2025?

+Why does Pinnacle West Capital's P/E ratio change over time?

Pinnacle West Capital (PNW) Key Financials