California Water Service Group is a U.S. water and utilities holding company based in California. The company provides water utility and other related services in California, Washington, New Mexico, Hawaii and Texas through its wholly-owned subsidiaries. The bulk of the company's business consists of the production, purchase, storage, treatment, testing, distribution, and sale of water for domestic, industrial, public, and irrigation uses, and the provision of water for domestic and municipal fire protection services.
The chart shows the growth of an initial investment of $10,000 in California Water Service, comparing it to the performance of the S&P 500 index. All prices have been adjusted for splits and dividends.
Returns By Period
California Water Service (CWT) has returned 5.72% so far this year and -5.03% over the past 12 months. Looking at the last ten years, CWT has achieved an annualized return of 5.64%, underperforming the Benchmark (SPY), which averaged 12.29% per year.
CWT
1M0.59%
6M-1.66%
YTD5.72%
1Y-5.03%
5Y-4.57%
10Y5.64%
Benchmark (SPY)
1M-1.12%
6M-1.69%
YTD-3.91%
1Y26.27%
5Y9.91%
10Y12.29%
Monthly Returns
The table below presents the monthly returns of California Water Service (CWT) with color gradation from worst to best to easily spot seasonal factors.
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2026
3.47%
0.54%
1.12%
1.62%
2025
-0.88%
1.45%
7.47%
4.89%
-7.62%
-3.11%
0.40%
1.16%
-1.57%
-3.61%
3.11%
-3.88%
2024
-12.30%
1.19%
2.81%
5.16%
1.26%
-3.16%
10.07%
2.35%
-1.51%
-3.96%
-1.14%
-11.64%
2023
0.13%
-6.26%
2.70%
-3.53%
1.53%
-9.53%
3.23%
-4.92%
-6.26%
3.42%
4.03%
3.08%
2022
-13.72%
-8.66%
3.38%
-12.87%
3.65%
3.21%
8.51%
-2.14%
-9.58%
16.22%
5.63%
-5.79%
2021
1.19%
-0.36%
1.55%
3.98%
-3.43%
-2.89%
12.75%
1.50%
-7.46%
3.13%
3.31%
12.85%
2020
1.62%
-8.84%
4.92%
-7.51%
0.45%
2.21%
-1.93%
-2.95%
-3.96%
2.55%
10.32%
8.15%
2019
4.60%
5.24%
3.23%
-7.64%
-2.32%
2.86%
5.49%
6.77%
-6.30%
5.76%
-8.35%
0.57%
2018
-10.94%
-7.10%
-2.99%
4.03%
4.14%
-3.95%
5.79%
0.61%
4.63%
-2.05%
9.25%
3.92%
2017
1.47%
6.68%
-2.58%
-0.83%
-3.48%
6.36%
4.99%
-4.22%
1.60%
9.80%
8.06%
-0.87%
2016
4.65%
4.07%
19.46%
-3.63%
-9.47%
5.35%
-3.16%
11.27%
-1.60%
Performance Indicators
The charts below present risk-adjusted performance metrics for California Water Service (CWT) and compare them to a Benchmark (SPY). These indicators evaluate an investment's returns against its associated risks.
Sharpe ratio
Sortino ratio
Omega ratio
Calmar ratio
Martin ratio
sharpe ratio
The Sharpe ratio helps investors understand how much return they're getting for the level of risk taken. A higher Sharpe ratio indicates better risk-adjusted performance, meaning more reward for each unit of risk.
These values reflect how efficiently the investment has delivered returns relative to its volatility over different time periods. All figures are annualized and based on daily total returns.
The chart below shows the rolling Sharpe ratio of CWT compared to the benchmark. This view highlights how the investment's risk-adjusted performance has changed over time.
Volatility Chart
The current California Water Service volatility is 1.60%, representing the standart deviation of percentage change in the investments's value, either up or down over the past month. The chart below shows the rolling one-month volatility.
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. It shows the maximum percentage drop from a peak to a trough over a specified period, indicating the risk of significant losses. Although chart shows positive values, it represents the percentage drop from the peak, so a value of 10% means the portfolio has dropped 10% from its highest point.
Income Statement
The income statement provides a summary of a company's revenues, expenses, and profits over a specific period. It shows how much money the company earned (revenues) and how much it spent (expenses), leading to the net income or profit. This statement is crucial for understanding a company's financial performance and profitability.
2025
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
Liabilities And Equity (USD)
5.67B
4.60B
3.85B
3.62B
3.39B
3.11B
2.84B
2.74B
2.41B
2.25B
2.19B
1.96B
2.00B
1.85B
Equity Attributable To Parent (USD)
1.69B
1.43B
1.32B
1.18B
921.34M
779.91M
730.16M
693.46M
659.47M
642.16M
626.63M
598.76M
473.71M
449.83M
Equity Attributable To Noncontrolling Interest (USD)
The California Public Utilities Commission issued a proposed decision authorizing California Water Service (largest subsidiary of California Water Service Group) additional revenues of $92.3 million in 2026 (11.1% rate increase), $50.8 million in 2027 (5.5% increase), and $52.4 million in 2028 (5.4% increase). The decision reauthorizes revenue adjustment mechanisms and establishes a sales reconciliation mechanism, though it did not approve the company's decoupling request. A final decision is expected by April 30, 2026.
GlobeNewswire Inc.•
AI Insight
The proposed decision authorizes substantial rate increases totaling $195.5 million over three years, which will improve revenue and support infrastructure investment. While the company did not receive approval for its decoupling request, the authorization of revenue adjustment mechanisms and sales reconciliation mechanisms provides financial flexibility and cost recovery certainty, supporting long-term profitability and shareholder returns.
California Water Service Group marked its 100-year anniversary by announcing over $1.88 million in charitable donations made in 2025 to local organizations, first responders, and students across its service areas in California, Hawaii, New Mexico, and Washington. The contributions included $186,000 to nine fire departments, $80,000 in scholarships to 13 students, and over $100,000 for Palisades and Eaton Fire relief efforts.
GlobeNewswire Inc.•
AI Insight
The company demonstrates strong corporate social responsibility through substantial charitable giving ($1.88M), employee engagement in volunteer programs, and community support initiatives. The 100-year milestone and recognition as 'America's Most Responsible Companies' reflect positive brand reputation and stakeholder relations.
California Water Service Group announced its 59th consecutive annual dividend increase, raising the annual dividend by 8% to $1.34 per share from $1.20 in 2025. The company declared its 324th consecutive quarterly dividend of $0.3350 per share, payable February 20, 2026, as it celebrates its 100th anniversary.
Benzinga•Globe Newswire
AI Insight
The company announced its 59th consecutive annual dividend increase with an 8% raise to $1.34 per share, demonstrating consistent shareholder value creation and financial stability. The 324th consecutive quarterly dividend reflects a strong track record of returning capital to investors, which is particularly notable during the company's 100th anniversary celebration.
California Water Service Group announced it will acquire the remaining membership interests of BVRT Utility Holding Company LLC to become the sole owner of seven water and wastewater utilities in the Austin-San Antonio corridor. The acquisition is subject to PUCT approval. Additionally, BVRT's Camino Real subsidiary received a water certificate and signed an agreement to extend sewer infrastructure to serve the Oatman Hill development, expected to include up to 5,000 dwelling units by 2036.
GlobeNewswire Inc.•
AI Insight
The company is expanding its portfolio through a full acquisition of BVRT, strengthening its position in the growing Texas market. The expansion into new service areas (Oatman Hill development with 5,000 dwelling units) and infrastructure investments demonstrate growth opportunities and strategic market positioning.
California Water Service Group promoted Todd K. Peters to Vice President of Engineering and Thomas A. Scanlon to Vice President of Corporate Controller and Chief Accounting Officer, effective January 1, 2026. Both executives bring decades of combined experience to their new roles at the water utility company serving over 2.1 million people across five states.
GlobeNewswire Inc.•Not Specified
AI Insight
The promotion of two experienced executives with strong track records (Peters with 33 years tenure and Scanlon with 16 years) demonstrates organizational stability and confidence in internal talent development. CEO's endorsement of their contributions and achievements suggests positive momentum in company leadership.
California Water Service has received CPUC approval to implement interim rate adjustments of 3% for most service areas effective January 1, 2026, while the utility's 2024 General Rate Case continues under review. The interim rates will help the company continue infrastructure investments and mitigate the impact of delayed rate case decisions on customers.
GlobeNewswire Inc.•Not Specified
AI Insight
The company received regulatory approval for interim rate adjustments that will enable continued infrastructure investments and help mitigate negative impacts from delayed rate case decisions. The approval supports the company's operational and financial objectives while addressing customer affordability concerns.
California Water Service Group announced its 323rd consecutive quarterly dividend of $0.30 per common share, payable on November 21, 2025, to stockholders of record as of November 10, 2025.
Benzinga•Globe Newswire
AI Insight
Company has maintained consistent quarterly dividend payments for 323 consecutive quarters, demonstrating financial stability and commitment to shareholders
The article highlights three water-related stocks with long histories of dividend growth: California Water Service, Ecolab, and Roper Technologies. Each company demonstrates strong financial performance, consistent earnings growth, and resilient business models in essential industries.
Investing.com•Bob Ciura
AI Insight
Over 50 consecutive years of dividend increases, 9% revenue growth, reliable business model serving two million people, and consistent earnings growth
California Water Service Group sold $170 million in Senior Unsecured Notes and $200 million in First Mortgage Bonds in private placement transactions, with proceeds to be used for refinancing existing debt and general corporate purposes.
GlobeNewswire Inc.•James P. Lynch
AI Insight
Successfully completed a significant financial transaction raising $370 million through notes and bonds with favorable ratings from S&P Global
California Water Service has increased rebates for water conservation products, offering higher incentives for residential and commercial water-efficient devices like toilets, clothes washers, and lawn conversions to encourage water savings.
GlobeNewswire Inc.•Yvonne Kingman
AI Insight
The company is proactively promoting water conservation, offering increased financial incentives to customers, demonstrating environmental responsibility and customer value
