Operating margins have experienced significant compression, falling to 8.5% in 2026Q1 from a peak of 28.8% in 2024Q1, reflecting the impact of regulatory timing on profitability.
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 | Dec'07 | Dec'06 | Dec'05 | Dec'04 | Dec'03 | Dec'02 | Dec'01 | Dec'00 | Dec'99 | Dec'98 | Dec'97 | Dec'96 |
|---|
| Revenue | 1.01B | 1B | 1.04B | 794.63M | 846.43M | 790.91M | 794.31M | 714.56M | 698.2M | 666.89M | 609.37M | 588.37M | 597.5M | 584.1M | 559.97M | 501.81M | 460.4M | 449.37M | 410.31M | 367.08M | 334.72M | 320.73M | 315.57M | 277.13M | 263.15M | 246.82M | 244.81M | 206.4M | 186.3M | 195.3M | 182.8M |
| Revenue Growth % | 4.2% | -3.54% | 30.48% | -6.12% | 7.02% | -0.43% | 11.16% | 2.34% | 4.69% | 9.44% | 3.57% | -1.53% | 2.29% | 4.31% | 11.59% | 9% | 2.45% | 9.52% | 11.78% | 9.67% | 4.36% | 1.64% | 13.87% | 5.31% | 6.62% | 0.82% | 18.61% | 10.79% | -4.61% | 6.84% | 10.72% |
| Cost of Revenue | 580.43M | 632.71M | 47.69M | 431.25M | 316.08M | 307.13M | 402.68M | 373.37M | 277.34M | 264.4M | 242.99M | 229.39M | 243.79M | 243.43M | 221.84M | 181.75M | 164.11M | 216.06M | 137.66M | 130.72M | 116.16M | 20.54M | 21.8M | 21.92M | 22.9M | 21.13M | 15.14M | 13M | 11.1M | 12.5M | 12.1M |
| Gross Profit | 430.31M | 367.43M | 989.12M | 363.38M | 530.35M | 483.77M | 391.62M | 341.19M | 420.86M | 402.49M | 366.38M | 358.98M | 353.7M | 340.67M | 338.13M | 320.06M | 296.29M | 233.31M | 272.65M | 236.36M | 218.55M | 300.19M | 293.77M | 255.21M | 240.25M | 225.69M | 229.67M | 193.4M | 175.2M | 182.8M | 170.7M |
| Gross Margin % | 42.57% | 36.74% | 95.4% | 45.73% | 62.66% | 61.17% | 49.3% | 47.75% | 60.28% | 60.35% | 60.13% | 61.01% | 59.2% | 58.32% | 60.38% | 63.78% | 64.36% | 51.92% | 66.45% | 64.39% | 65.29% | 93.6% | 93.09% | 92.09% | 91.3% | 91.44% | 93.82% | 93.7% | 94.04% | 93.6% | 93.38% |
| Gross Profit Growth % | - | -62.85% | 172.2% | -31.48% | 9.63% | 23.53% | 14.78% | -18.93% | 4.56% | 9.86% | 2.06% | 1.49% | 3.82% | 0.75% | 5.64% | 8.02% | 26.99% | -14.43% | 15.35% | 8.15% | -27.19% | 2.19% | 15.11% | 6.22% | 6.45% | -1.73% | 18.75% | 10.39% | -4.16% | 7.09% | 12.01% |
| Operating Expenses | 271.43M | 185.85M | 764.06M | 286.24M | 402.69M | 357M | 254.96M | 241.77M | 291.73M | 278.94M | 265.39M | 263.3M | 245.13M | 247.62M | 244.93M | 252.89M | 234.48M | 175.19M | 190.67M | 174.3M | 162.95M | 240.37M | 235.2M | 212.07M | 197.39M | 190.81M | 184.9M | 150.6M | 134.6M | 134.6M | 128.2M |
| Other Operating Expenses | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| EBITDA | 307.81M | 325.95M | 359.19M | 200.26M | 245.02M | 238.35M | 237.6M | 190.7M | 196.25M | 173.22M | 141.4M | 132.53M | 143.06M | 132.32M | 128.51M | 119.15M | 104.64M | 97.9M | 121.46M | 96.29M | 86.25M | 88.55M | 84.68M | 66.39M | 64.1M | 54.1M | 63.13M | 56.1M | 54.4M | 61M | 54.6M |
| EBITDA Margin % | 30.45% | 32.59% | 34.64% | 25.2% | 28.95% | 30.14% | 29.91% | 26.69% | 28.11% | 25.97% | 23.2% | 22.53% | 23.94% | 22.65% | 22.95% | 23.74% | 22.73% | 21.79% | 29.6% | 26.23% | 25.77% | 27.61% | 26.83% | 23.96% | 24.36% | 21.92% | 25.79% | 27.18% | 29.2% | 31.23% | 29.87% |
| EBITDA Growth % | 0.35% | -9.25% | 79.36% | -18.27% | 2.8% | 0.32% | 24.59% | -2.83% | 13.3% | 22.5% | 6.69% | -7.36% | 8.12% | 2.97% | 7.86% | 13.86% | 6.89% | -19.4% | 26.14% | 11.64% | -2.59% | 4.57% | 27.55% | 3.56% | 18.48% | -14.3% | 12.54% | 3.13% | -10.82% | 11.72% | 19.21% |
| Depreciation & Amortization | 148.92M | 144.37M | 134.14M | 123.12M | 117.36M | 111.58M | 100.94M | 91.29M | 85.71M | 78.59M | 65.2M | 61.38M | 61.22M | 58.32M | 54.67M | 51.98M | 42.83M | 39.78M | 39.48M | 34.24M | 30.65M | 28.73M | 26.11M | 23.26M | 21.24M | 19.23M | 18.37M | 13.3M | 13.8M | 12.8M | 12.1M |
| D&A / Revenue % | 14.73% | 14.43% | 12.94% | 15.49% | 13.87% | 14.11% | 12.71% | 12.78% | 12.28% | 11.78% | 10.7% | 10.43% | 10.25% | 9.98% | 9.76% | 10.36% | 9.3% | 8.85% | 9.62% | 9.33% | 9.16% | 8.96% | 8.28% | 8.39% | 8.07% | 7.79% | 7.5% | 6.44% | 7.41% | 6.55% | 6.62% |
| Operating Income (EBIT) | 158.89M | 181.59M | 225.05M | 77.14M | 127.66M | 126.77M | 136.67M | 99.41M | 110.54M | 94.62M | 76.19M | 71.15M | 81.85M | 74M | 73.84M | 67.17M | 61.81M | 58.12M | 81.98M | 62.06M | 55.6M | 59.82M | 58.57M | 43.13M | 42.87M | 34.88M | 44.77M | 42.8M | 40.6M | 48.2M | 42.5M |
| Operating Margin % | 15.72% | 18.16% | 21.71% | 9.71% | 15.08% | 16.03% | 17.21% | 13.91% | 15.83% | 14.19% | 12.5% | 12.09% | 13.7% | 12.67% | 13.19% | 13.38% | 13.43% | 12.93% | 19.98% | 16.91% | 16.61% | 18.65% | 18.56% | 15.56% | 16.29% | 14.13% | 18.29% | 20.74% | 21.79% | 24.68% | 23.25% |
| Operating Income Growth % | - | -19.31% | 191.77% | -39.58% | 0.7% | -7.24% | 37.47% | -10.07% | 16.82% | 24.19% | 7.08% | -13.07% | 10.6% | 0.22% | 9.94% | 8.66% | 6.36% | -29.1% | 32.1% | 11.61% | -7.04% | 2.13% | 35.79% | 0.62% | 22.9% | -22.09% | 4.6% | 5.42% | -15.77% | 13.41% | 20.74% |
| Interest Expense | 4M | 66.7M | 57.55M | 49.82M | 44.34M | 43.21M | 41.86M | 41.22M | 37.85M | 33.93M | 30.5M | 27.27M | 26.95M | 28.86M | 28.14M | 29.71M | 26.37M | 21.31M | 17.18M | 17.13M | 16.97M | 17.7M | 17.84M | 17.52M | 16.84M | 16.03M | 14.65M | 0 | 12.4M | 0 | 11.9M |
| Interest Coverage | - | 3.20x | 5.04x | 1.90x | 3.29x | 3.43x | 3.60x | 2.96x | 3.16x | 3.91x | 3.41x | 3.50x | 4.02x | 3.22x | 3.50x | 3.05x | 3.36x | 2.73x | 4.72x | 3.99x | 3.28x | 3.38x | 3.28x | 2.46x | 2.55x | 2.18x | 3.06x | - | 3.48x | - | 3.57x |
| Interest / Revenue % | 0.4% | 6.67% | 5.55% | 6.27% | 5.24% | 5.46% | 5.27% | 5.77% | 5.42% | 5.09% | 5.01% | 4.63% | 4.51% | 4.94% | 5.02% | 5.92% | 5.73% | 4.74% | 4.19% | 4.67% | 5.07% | 5.52% | 5.65% | 6.32% | 6.4% | 6.49% | 5.98% | 0% | 6.66% | 0% | 6.51% |
| Non-Operating Income | -4M | -1000K | 1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | 1000K | -1000K | -847K | 1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K | -1000K |
| Pretax Income | 111.32M | 146.95M | 232.57M | 44.59M | 101.64M | 105.07M | 108.85M | 80.79M | 81.46M | 100.54M | 75.49M | 70.31M | 84.71M | 67.72M | 70.28M | 37.71M | 37.66M | 40.55M | 63.94M | 49.05M | 40.88M | 47.23M | 43.11M | 32.31M | 31.64M | 24.69M | 31.53M | 32.1M | 29M | 37.3M | 31.3M |
| Pretax Margin % | 11.01% | 14.69% | 22.43% | 5.61% | 12.01% | 13.28% | 13.7% | 11.31% | 11.67% | 15.08% | 12.39% | 11.95% | 14.18% | 11.59% | 12.55% | 7.52% | 8.18% | 9.02% | 15.58% | 13.36% | 12.21% | 14.73% | 13.66% | 11.66% | 12.02% | 10% | 12.88% | 15.55% | 15.57% | 19.1% | 17.12% |
| Income Tax | -7.37M | 19.11M | 42.49M | -6.78M | 6.38M | 4.09M | 12.02M | 17.67M | 15.87M | 33.36M | 26.82M | 25.29M | 27.97M | 20.47M | 21.45M | 29.45M | 0 | 0 | 24.13M | 17.89M | 15.3M | 20.01M | 17.08M | 12.9M | 12.57M | 9.73M | 11.57M | 12.2M | 10.6M | 14M | 12.2M |
| Effective Tax Rate % | -6.62% | 13% | 18.27% | -15.21% | 6.27% | 3.89% | 11.04% | 21.87% | 19.49% | 33.18% | 35.52% | 35.97% | 33.02% | 30.22% | 30.52% | 78.11% | 0% | 0% | 37.74% | 36.47% | 37.42% | 42.36% | 39.63% | 39.91% | 39.72% | 39.4% | 36.69% | 38.01% | 36.55% | 37.53% | 38.98% |
| Net Income | 118.92M | 128.21M | 190.81M | 51.91M | 96.01M | 101.13M | 96.83M | 63.12M | 65.58M | 67.18M | 48.67M | 45.02M | 56.74M | 47.25M | 48.83M | 37.71M | 37.66M | 40.55M | 39.8M | 31.16M | 25.58M | 27.22M | 26.03M | 19.42M | 19.07M | 14.96M | 19.96M | 19.9M | 18.4M | 23.3M | 19.1M |
| Net Margin % | 11.77% | 12.82% | 18.4% | 6.53% | 11.34% | 12.79% | 12.19% | 8.83% | 9.39% | 10.07% | 7.99% | 7.65% | 9.5% | 8.09% | 8.72% | 7.52% | 8.18% | 9.02% | 9.7% | 8.49% | 7.64% | 8.49% | 8.25% | 7.01% | 7.25% | 6.06% | 8.15% | 9.64% | 9.88% | 11.93% | 10.45% |
| Net Income Growth % | -11.4% | -32.81% | 267.57% | -45.93% | -5.06% | 4.43% | 53.42% | -3.76% | -2.38% | 38.02% | 8.13% | -20.66% | 20.07% | -3.22% | 29.48% | 0.15% | -7.15% | 1.88% | 27.75% | 21.81% | -6.04% | 4.6% | 34.04% | 1.8% | 27.45% | -25.04% | 0.32% | 8.15% | -21.03% | 21.99% | 29.93% |
| EPS (Diluted) | 1.99 | 2.15 | 3.25 | 0.91 | 1.77 | 1.96 | 1.97 | 1.31 | 1.36 | 1.52 | 1.01 | 0.94 | 1.19 | 1.02 | 1.17 | 0.90 | 0.90 | 0.98 | 0.95 | 0.75 | 0.67 | 0.74 | 0.70 | 0.57 | 0.63 | 0.49 | 0.66 | 0.72 | 0.66 | 0.92 | 0.75 |
| EPS Growth % | -12.39% | -33.85% | 257.14% | -48.59% | -9.69% | -0.51% | 50.38% | -3.68% | -10.53% | 50.5% | 7.45% | -21.01% | 16.67% | -12.82% | 30% | 0% | -8.16% | 3.16% | 26.67% | 11.94% | -9.46% | 5.71% | 22.81% | -9.52% | 28.57% | -25.76% | -8.33% | 9.09% | -28.26% | 22.67% | 29.31% |
| EPS (Basic) | - | 2.15 | 3.26 | 0.91 | 1.77 | 1.96 | 1.97 | 1.31 | 1.36 | 1.52 | 1.02 | 0.94 | 1.19 | 1.02 | 1.17 | 0.90 | 0.90 | 0.98 | 0.95 | 0.75 | 0.67 | 0.74 | 0.70 | 0.57 | 0.63 | 0.49 | 0.66 | 0.73 | 0.78 | 0.92 | 0.75 |
| Diluted Shares Outstanding | 59.77M | 59.63M | 58.65M | 56.98M | 54.36M | 51.63M | 49.27M | 48.17M | 48.06M | 48.01M | 47.96M | 47.88M | 47.83M | 46.42M | 41.89M | 41.77M | 41.64M | 41.53M | 41.47M | 41.38M | 37.85M | 36.8M | 35.44M | 31.84M | 30.37M | 30.37M | 30.26M | 30.28M | 30.02M | 25.57M | 25.2M |
High regulatory and capital intensity risk
As reported in recent financial statements, CWT experienced a 5.2% revenue growth in 2026Q1, yet this follows a period of significant volatility where quarterly revenue swings reached as high as 106.5% in 2024Q1, suggesting that revenue recognition is heavily dependent on the timing of regulatory rate case settlements.
The erratic revenue trajectory indicates that CWT's top-line performance is less a function of organic demand and more a reflection of the CPUC's periodic rate adjustments. Investors should monitor whether the current growth trend can stabilize, as the reliance on regulatory mechanisms often obscures underlying volumetric declines caused by conservation mandates.
Based on the provided income statement data, CWT's operating margin has fluctuated significantly, dropping to 8.5% in 2026Q1 from a peak of 28.8% in 2024Q1, which suggests that the utility is struggling to maintain profitability amidst rising operational costs and potential delays in cost recovery mechanisms.
The sharp contraction in operating margins warrants further investigation into whether the company is failing to earn its authorized ROE due to regulatory lag. This compression may indicate that the cost of maintaining aging infrastructure is outpacing the rate relief granted by the CPUC, potentially threatening long-term earnings sustainability.
According to the quarterly income statement, EPS has shown extreme sensitivity, with a 69.3% decline in 2026Q1 compared to the prior year, highlighting that reported net income is frequently impacted by non-recurring regulatory adjustments rather than consistent, sustainable growth in the underlying regulated water utility business.
The significant variance in quarterly EPS suggests that investors should look past headline figures to identify the impact of regulatory assets and liabilities on net income. The current earnings profile appears highly susceptible to the timing of rate case outcomes, which may mask the true, long-term earnings power of the company.
As indicated by the consistent depreciation and amortization charges exceeding $30 million per quarter, CWT is engaged in a heavy capital expenditure cycle, which appears to be a necessary response to infrastructure requirements but creates significant pressure on the company's ability to generate free cash flow.
The ongoing investment in rate base assets is essential for future earnings growth, yet the current interest coverage ratio of 0.98 in 2026Q1 suggests that the company's ability to service debt while funding these projects is becoming increasingly constrained. This capital-intensive model may necessitate further equity dilution if the regulatory environment does not provide timely and adequate returns on these investments.
Quick answers to the most common questions about buying CWT stock.
For fiscal year 2025, California Water Service Group (CWT) reported total revenue of $1.00B. This represents a 447.1% increase compared to $182.8M in 1996.
California Water Service Group (CWT) is profitable, generating $128.2M in net income for the fiscal year ending 2025 with a net profit margin of 12.8%.
California Water Service Group (CWT) reported an operating income of $181.6M, resulting in an operating profit margin of 18.2%. This margin reflects the operational efficiency of the business before interest and taxes.
California Water Service Group (CWT) generated $367.4M in gross profit for the year, representing a gross profit margin of 36.7%. This demonstrates the company's core pricing power and production efficiency.