California Water Service (CWT) Tax Rate (2009 - 2026)
California Water Service (CWT) reported Tax Rate of 29.34% for Q3 2026, up 5.34 percentage points from 24.00% a year earlier but down 1.78 percentage points from the prior quarter.
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Analysis
California Water Service (CWT) Tax Rate (2009 - 2026) Analysis & Trends
Over the twelve months ended Sep 30, 2026, California Water Service's Tax Rate came in at 25.75%, up 5.41 percentage points year-over-year; for FY2025, it was 19.11%, down 6.74 percentage points from FY2024.
- Tax Rate has a five-year change of +5.99 percentage points (FY2020 to FY2025).
- By year, Tax Rate came in at 25.85% in FY2024, 7.87% in FY2022 (+2.87 pp) and 5.00% in FY2021 (-8.11 pp).
- Five-year quarterly Tax Rate spans a low of 11.46% in Q2 2022 and a high of 73.23% in Q2 2023.
- Year over year, Tax Rate gained in three of the last five quarters, with an average year-over-year change of +3.38 percentage points.
- The high point for year-over-year Tax Rate in five years was Q2 2023 (a gain of 61.77 percentage points); the low point was Q2 2024 (a drop of 43.24 percentage points).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Nextera Energy | 181.60 Bn | 168.35 Bn | - | 13.16% |
| 2 | Southern | 104.77 Bn | 95.83 Bn | 5.92 Bn | 13.60% |
| 3 | Duke Energy | 99.63 Bn | 95.89 Bn | 5.66 Bn | 12.26% |
| 4 | National Grid | 82.14 Bn | 54.44 Bn | - | - |
| 5 | American Electric Power | 68.86 Bn | 66.65 Bn | 4.75 Bn | 9.48% |
| 6 | Dominion Energy | 60.31 Bn | 58.30 Bn | - | 16.49% |
| 7 | Entergy | 51.91 Bn | 38.35 Bn | - | 22.76% |
| 8 | Sempra | 51.13 Bn | 50.25 Bn | 2.89 Bn | 22.09% |
| 9 | Xcel Energy | 50.13 Bn | 43.61 Bn | - | 6.71% |
| 10 | California Water Service | 3.18 Bn | 2.98 Bn | - | 29.34% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 29.34% |
| Jun 30, 2026 | 31.12% |
| Sep 30, 2025 | 24.00% |
| Jun 30, 2025 | 25.24% |
| Mar 31, 2025 | 46.92% |
| Sep 30, 2024 | 33.27% |
| Jun 30, 2024 | 29.99% |
| Mar 31, 2024 | 27.22% |
| Sep 30, 2023 | 16.71% |
| Jun 30, 2023 | 73.23% |
| Sep 30, 2022 | 11.77% |
| Jun 30, 2022 | 11.46% |
| Sep 30, 2021 | 3.22% |
| Jun 30, 2021 | 8.00% |
| Dec 31, 2020 | 10.15% |
| Sep 30, 2020 | 14.80% |
| Jun 30, 2020 | 163.86% |
| Dec 31, 2019 | 35.15% |
| Sep 30, 2019 | 28.82% |
| Jun 30, 2019 | 32.41% |
API Access
California Water Service Tax Rate API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=tax-rate&ticker=CWT&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "CWT", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=tax-rate&ticker=CWT&period=max&api_key=YOUR_API_KEY");
const data = await res.json();