Company / Operating Margin
California Water Service Group Operating Margin History
FY2016-FY2025 · Annual data · Source: SEC filings
At a glance
Latest annual filing availableLatest Operating Margin
17.7%
FY2025
5-year range
9.8% / 24.9%
FY2021-FY2025
Trend
-28.9%
vs FY2024
Sector context
#44 of 61
Utilities
What the data says
At 17.7%, California Water Service Group's operating margin ranks #44 of 61 in the Utilities sector. Operating Margin has fluctuated over the past 10 years, ranging from 9.8% in FY2023 to 24.9% in FY2024.
Based on SEC 10-K filings.
17.7% in FY2025 with a 5-year CAGR of -1.9%.
Improved from 9.8% to 17.7% over the past 2 years.
Utilities sector context is included.
Operating Margin over time
Growth rates
- 3-Year Change
- +1.2pp
- 5-Year Change
- -1.9pp
- 10-Year Change
- -
Sector benchmark
#44 of 61 in UtilitiesTop 72% of 61This company 17.7% Sector average 21.7%
▼
-18.4% below sector average
Key checks
Key Insights
- In FY2025, operating margin decreased 28.9% year-over-year.
- Currently 4.0pp below the Utilities sector average.
- Peak operating margin was recorded in FY2024.
- Lowest operating margin in the period was in FY2023.
Company context
Key Data Points
- Altman Z-Score 0.54 (distress zone, below 1.8 threshold)
- High earnings quality (cash-backed earnings)
Data sourced from SEC EDGAR filings. Not investment advice.
Annual data
| Year | Operating MarginValue | YoY GrowthYoY |
|---|---|---|
| FY2025 | 17.7% | -28.9% |
| FY2024 | 24.9% | +154.6% |
| FY2023 | 9.8% | -40.9% |
| FY2022 | 16.5% | +10.4% |
| FY2021 | 15.0% | -23.6% |
| FY2020 | 19.6% | +13.9% |
| FY2019 | 17.2% | +5.0% |
| FY2018 | 16.4% | -4.8% |
| FY2017 | 17.2% | +22.7% |
| FY2016 | 14.0% | - |
As of FY2025 · SEC 10-K · Updated Jul 4, 2026