CWT California Water Service Group PE ratio, current and historical analysis
As of Nov 5, 2025, the California Water Service Group stock's PE ratio is 20.31. This takes into account the latest EPS of $2.29 and stock price of $46.51. The PE ratio has grown by 8% from its last 4 quarters average of 18.8.
CWT PE ratio history
The PE ratio of California Water Service Group has averaged 32.34 over the last ten years. The current P/E ratio of 20.31 is 37% lower than the historical average. Looking back at the last ten years, CWT's PE ratio peaked in the Sep 2023 quarter at 64.81, when the price was $47.31 and the EPS was $0.73. The lowest point was in the Dec 2024 quarter, when it reached 13.9 with a price of $45.33 and an EPS of $3.26.
California Water Service Group PE ratio by year
Maximum annual increase: 66.37% in 2023
Maximum annual decrease: -75.61% in 2024
| Year | PE ratio | PE change | Price | EPS |
|---|---|---|---|---|
| 2024 | 13.9 | -75.61% | $45.33 | $3.26 |
| 2023 | 57 | 66.37% | $51.87 | $0.91 |
| 2022 | 34.26 | -6.55% | $60.64 | $1.77 |
| 2021 | 36.66 | 33.65% | $71.86 | $1.96 |
| 2020 | 27.43 | -30.31% | $54.03 | $1.97 |
| 2019 | 39.36 | 12.33% | $51.56 | $1.31 |
| 2018 | 35.04 | 17.43% | $47.66 | $1.36 |
| 2017 | 29.84 | -10.23% | $45.35 | $1.52 |
| 2016 | 33.24 | 34.25% | $33.9 | $1.02 |
| 2015 | 24.76 | 19.73% | $23.27 | $0.94 |
| 2014 | 20.68 | -8.58% | $24.61 | $1.19 |
| 2013 | 22.62 | 44.26% | $23.07 | $1.02 |
| 2012 | 15.68 | -22.72% | $18.35 | $1.17 |
| 2011 | 20.29 | -2.03% | $18.26 | $0.9 |
| 2010 | 20.71 | 10.22% | $18.64 | $0.9 |
California Water Service Group PE ratio by quarter (TTM)
| Year | PE ratio | PE change | Price | EPS |
|---|---|---|---|---|
| Sep 2025 | 20.04 | 0.91% | $45.89 | $2.29 |
| Jun 2025 | 19.86 | -6.54% | $45.48 | $2.29 |
| Mar 2025 | 21.25 | 52.88% | $48.46 | $2.28 |
| Dec 2024 | 13.9 | -11.07% | $45.33 | $3.26 |
| Sep 2024 | 15.63 | -2.01% | $54.22 | $3.47 |
| Jun 2024 | 15.95 | -13.88% | $48.49 | $3.04 |
| Mar 2024 | 18.52 | -67.51% | $46.48 | $2.51 |
| Dec 2023 | 57 | -12.05% | $51.87 | $0.91 |
| Sep 2023 | 64.81 | 45.61% | $47.31 | $0.73 |
| Jun 2023 | 44.51 | 3.25% | $51.63 | $1.16 |
| Mar 2023 | 43.11 | 25.83% | $58.2 | $1.35 |
| Dec 2022 | 34.26 | -3.76% | $60.64 | $1.77 |
| Sep 2022 | 35.6 | 5.73% | $52.69 | $1.48 |
| Jun 2022 | 33.67 | 15.86% | $55.55 | $1.65 |
| Mar 2022 | 29.06 | -20.73% | $59.28 | $2.04 |
CWT Price vs fair value
CWT average PE ratio chart
CWT's current PE ratio is lower than its 3, 5 and 10-year averages.
PE comparison
California Water Service Group's price to earnings (P/E) of 20.31 is higher than its peers average but lower than the Utilities sector and the industry average. But in comparison with the Utilities sector average of 20.94, California Water Service Group's price to earnings (P/E) is only 3% lower.
CWT PE vs peers
In comparison to its peers AWK and AWR, CWT's PE ratio is lower, but it is higher than HTO's and ARTNA's. California Water Service Group's current PE ratio of 20.31 is similar to the average of its peers, which is 20.23.
| Stock name | PE ratio | Market cap |
|---|---|---|
| HTO H2O America | 15.03 | $1.69B |
| ARTNA Artesian Resources Corp | 15.06 | $336.85M |
| PCYO Pure Cycle Corp | 19.89 | $263.37M |
| CWT California Water Service Group | 20.32 | $2.77B |
| MSEX Middlesex Water Co | 22.23 | $974.1M |
| AWK American Water Works Company Inc | 22.97 | $25.51B |
| AWR American States Water Co | 23.25 | $2.92B |
| YORW York Water Co | 23.79 | $470.06M |
| CDZI Cadiz Inc | N/A | $402.71M |
Frequently asked questions
What is California Water Service Group's PE ratio?
The price to earnings ratio for CWT stock is 20.31 as of Nov 5, 2025.
What is the 3-year average PE ratio for California Water Service Group (CWT)?
The 3-year average price to earnings ratio for CWT stock is 30.74.
What is the 5-year average PE ratio for California Water Service Group (CWT)?
The 5-year average price to earnings ratio for CWT stock is 30.03.
What is the highest PE ratio for CWT?
The highest quarterly PE ratio in the last ten years has been 64.81 and it was in the Sep 2023 quarter.
How does the current PE ratio for CWT compare to its historical average?
CWT's price to earnings ratio is currently 37% below its 10-year historical average.
How is CWT's PE ratio calculated (California Water Service Group PE ratio formula)?
The P/E ratio is obtained by dividing the latest price of a stock by its trailing twelve months EPS. As of today (Nov 5, 2025), California Water Service Group's share price is $46.51. The company's earnings per share for the trailing twelve months (TTM) ending Sep 2025 is $2.29. Therefore, California Water Service Group's PE ratio for today is 20.31. PE RATIO(20.31) = STOCK PRICE($46.51) / TTM EPS($2.29)
All PE ratio stats are based on quarterly TTM periods, unless otherwise specified.