California Water Service Group (CWT) EBITDA Margin (2009 - 2026)
California Water Service's EBITDA Margin was 32.71% in Q2 2026, down 0.65 percentage points from 33.36% a year earlier but up 5.46 percentage points from the prior quarter.
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California Water Service Group (CWT) EBITDA Margin (2009 - 2026) Analysis & Trends
On a trailing twelve-month basis, California Water Service's EBITDA Margin was 31.21% through Jun 30, 2026, down 0.43 percentage points year-over-year; for FY2025, it was 31.68%, down 2.96 percentage points from FY2024.
- EBITDA Margin shows a five-year change of +1.77 percentage points (FY2020 to FY2025).
- In earlier years, EBITDA Margin was 34.64% in FY2024 (+9.44 pp), 25.20% in FY2023 (-3.75 pp), 28.95% in FY2022 (-1.19 pp) and 30.14% in FY2021 (+0.22 pp).
- Quarterly EBITDA Margin has moved between 9.85% (Q1 2023) and 41.11% (Q1 2024) over five years.
- Compared with a year earlier, EBITDA Margin has declined for three straight quarters, with an average year-over-year change of -1.51 percentage points over the last eight quarters.
- The best year-over-year quarter for EBITDA Margin over five years was Q1 2024 (a gain of 31.26 percentage points); the worst was Q1 2023 (a drop of 12.48 percentage points).
- Per Business Quant data, CWT's EBITDA Margin in the three quarters before Q2 2026 was 27.24% (Q1 2026), 28.37% (Q4 2025) and 34.47% (Q3 2025).
Peer Set
Peer Comparison
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 32.71% |
| Mar 31, 2026 | 27.24% |
| Dec 31, 2025 | 28.37% |
| Sep 30, 2025 | 34.47% |
| Jun 30, 2025 | 33.36% |
| Mar 31, 2025 | 28.85% |
| Dec 31, 2024 | 29.63% |
| Sep 30, 2024 | 33.50% |
| Jun 30, 2024 | 33.44% |
| Mar 31, 2024 | 41.11% |
| Dec 31, 2023 | 31.34% |
| Sep 30, 2023 | 28.97% |
| Jun 30, 2023 | 23.84% |
| Mar 31, 2023 | 9.85% |
| Dec 31, 2022 | 27.45% |
| Sep 30, 2022 | 35.49% |
| Jun 30, 2022 | 27.52% |
| Mar 31, 2022 | 22.32% |
| Dec 31, 2021 | 22.13% |
| Sep 30, 2021 | 38.60% |
API Access
California Water Service Group EBITDA Margin 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=ebitda-margin&ticker=CWT&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "ebitda-margin", "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=ebitda-margin&ticker=CWT&period=max&api_key=YOUR_API_KEY");
const data = await res.json();