Question 1

What is Constellation Energy's P/E ratio?

Accepted Answer

Constellation Energy (CEG) P/E ratio is 23.7× 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 Constellation Energy?

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 Constellation Energy specifically, the relevant sector benchmark is the current sector median of 21.4×.

Question 5

Is Constellation Energy's P/E ratio high or low?

Accepted Answer

Constellation Energy's P/E ratio of 23.7× is below its own 5-year average of 28.7× and above the sector median of 21.4×. That places the current reading at the 14th 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 Constellation Energy's historical P/E ratio range?

Accepted Answer

In the available daily series, Constellation Energy (CEG) P/E ratio has ranged from a low of 4.8× in 2018 to a high of 49.1× in 2023. The 5-year average is 28.7× and the 5-year median is 26.8×.

Question 7

What was Constellation Energy's P/E ratio in 2025?

Accepted Answer

Constellation Energy (CEG) P/E ratio at the end of 2025 was 47.7×. 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 Constellation Energy'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	$110.57B	$2.32B	47.7×	+28.9×	Dec 31, 2025
2024	$70.24B	$3.75B	18.7×	-4.3×	Dec 31, 2024
2023	$37.40B	$1.62B	23.0×	—	Dec 31, 2023
2022	$28.28B	−$159.00M	—	—	Dec 31, 2022
2021	$13.69B	−$205.00M	—	—	Dec 31, 2021
2020	$13.70B	$589.00M	23.3×	+11.1×	Dec 31, 2020
2019	$13.72B	$1.13B	12.2×	-24.7×	Dec 31, 2019
2018	$13.70B	$371.00M	36.9×	+31.9×	Dec 31, 2018
2017	$13.70B	$2.71B	5.1×	-22.6×	Dec 31, 2017
2016	$13.70B	$496.00M	27.6×	+17.6×	Dec 31, 2016
2015	$13.70B	$1.37B	10.0×	-6.4×	Dec 31, 2015
2014	$13.70B	$835.00M	16.4×	+3.6×	Dec 31, 2014
2013	$13.70B	$1.07B	12.8×	—	Dec 31, 2013


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×
Pinnacle West Capital (PNW)	18.7×
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 Constellation Energy (CEG)

P/E Ratio daily chart for Constellation Energy (CEG)

Historical P/E Ratio for Constellation Energy (CEG) from 2013 to 2025

About P/E Ratio at Constellation Energy (CEG)

Constellation Energy P/E Ratio by Year

Constellation Energy P/E Ratio 2025: 47.7×

Constellation Energy P/E Ratio 2024: 18.7×

Constellation Energy P/E Ratio 2023: 23.0×

Constellation Energy P/E Ratio 2020: 23.3×

Constellation Energy P/E Ratio 2019: 12.2×

Sector peers by P/E Ratio — chart

Sector peers by P/E Ratio — table

Frequently asked questions

Constellation Energy (CEG) Key Financials

P/E Ratio daily chart for Constellation Energy (CEG)

Historical P/E Ratio for Constellation Energy (CEG) from 2013 to 2025

About P/E Ratio at Constellation Energy (CEG)

Constellation Energy P/E Ratio by Year

Constellation Energy P/E Ratio 2025: 47.7×

Constellation Energy P/E Ratio 2024: 18.7×

Constellation Energy P/E Ratio 2023: 23.0×

Constellation Energy P/E Ratio 2020: 23.3×

Constellation Energy P/E Ratio 2019: 12.2×

Sector peers by P/E Ratio — chart

Sector peers by P/E Ratio — table

Frequently asked questions

+What is Constellation Energy'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 Constellation Energy?

+Is Constellation Energy's P/E ratio high or low?

+What is Constellation Energy's historical P/E ratio range?

+What was Constellation Energy's P/E ratio in 2025?

+Why does Constellation Energy's P/E ratio change over time?

Constellation Energy (CEG) Key Financials