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Side-by-side financial comparison of CALIFORNIA WATER SERVICE GROUP (CWT) and H2O AMERICA (HTO). Click either name above to swap in a different company.

CALIFORNIA WATER SERVICE GROUP is the larger business by last-quarter revenue ($210.7M vs $199.4M, roughly 1.1× H2O AMERICA). H2O AMERICA runs the higher net margin — 8.1% vs 5.4%, a 2.7% gap on every dollar of revenue. On growth, H2O AMERICA posted the faster year-over-year revenue change (1.5% vs -3.3%). Over the past eight quarters, CALIFORNIA WATER SERVICE GROUP's revenue compounded faster (16.6% CAGR vs 15.3%).

California Water Service Group (CWSG) is an American public utility company providing drinking water and wastewater services. It is the third-largest investor-owned publicly traded water utility in the United States, serving roughly two million people through its subsidiary companies in California, Hawaii, New Mexico and Washington. CWSG was formed in 1997 as a new holding company for California Water Service to expand into other states regulated by their own public utilities commissions, and...

H2O Wireless is a United States-based prepaid cell phone service, that utilizes the AT&T network. It is a brand of the mobile virtual network operator (MVNO) Locus Telecommunications, a subsidiary of Telrite Holdings, Inc., since 2019. Locus was formerly a subsidiary of KDDI America corporation, starting in 2010. H2O Wireless is primarily advertised as a non-restrictive phone service for customers to bring or buy unlocked smartphones, although AT&T contract/locked phones may be accepted as well.

CWT vs HTO — Head-to-Head

Bigger by revenue
CWT
CWT
1.1× larger
CWT
$210.7M
$199.4M
HTO
Growing faster (revenue YoY)
HTO
HTO
+4.8% gap
HTO
1.5%
-3.3%
CWT
Higher net margin
HTO
HTO
2.7% more per $
HTO
8.1%
5.4%
CWT
Faster 2-yr revenue CAGR
CWT
CWT
Annualised
CWT
16.6%
15.3%
HTO

Income Statement — Q4 2025 vs Q4 2025

Metric
CWT
CWT
HTO
HTO
Revenue
$210.7M
$199.4M
Net Profit
$11.5M
$16.2M
Gross Margin
Operating Margin
12.2%
16.6%
Net Margin
5.4%
8.1%
Revenue YoY
-3.3%
1.5%
Net Profit YoY
-41.0%
-29.2%
EPS (diluted)
$0.19
$0.45

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
CWT
CWT
HTO
HTO
Q4 25
$210.7M
$199.4M
Q3 25
$314.1M
$243.5M
Q2 25
$256.2M
$197.8M
Q1 25
$182.7M
$164.9M
Q4 24
$217.8M
$196.5M
Q3 24
$306.2M
$216.7M
Q2 24
$226.7M
$173.1M
Q1 24
$154.9M
$150.0M
Net Profit
CWT
CWT
HTO
HTO
Q4 25
$11.5M
$16.2M
Q3 25
$61.2M
$45.1M
Q2 25
$42.2M
$24.7M
Q1 25
$13.3M
$16.6M
Q4 24
$19.5M
$22.9M
Q3 24
$60.7M
$38.7M
Q2 24
$40.6M
$20.7M
Q1 24
$69.9M
$11.7M
Operating Margin
CWT
CWT
HTO
HTO
Q4 25
12.2%
16.6%
Q3 25
22.5%
26.5%
Q2 25
20.2%
22.2%
Q1 25
12.2%
21.8%
Q4 24
14.8%
22.2%
Q3 24
21.8%
26.9%
Q2 24
21.2%
23.4%
Q1 24
50.3%
18.6%
Net Margin
CWT
CWT
HTO
HTO
Q4 25
5.4%
8.1%
Q3 25
19.5%
18.5%
Q2 25
16.5%
12.5%
Q1 25
7.3%
10.0%
Q4 24
8.9%
11.7%
Q3 24
19.8%
17.8%
Q2 24
17.9%
12.0%
Q1 24
45.1%
7.8%
EPS (diluted)
CWT
CWT
HTO
HTO
Q4 25
$0.19
$0.45
Q3 25
$1.03
$1.27
Q2 25
$0.71
$0.71
Q1 25
$0.22
$0.49
Q4 24
$0.31
$0.70
Q3 24
$1.03
$1.17
Q2 24
$0.70
$0.64
Q1 24
$1.21
$0.36

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
CWT
CWT
HTO
HTO
Cash + ST InvestmentsLiquidity on hand
$51.8M
$20.7M
Total DebtLower is stronger
$1.5B
$1.9B
Stockholders' EquityBook value
$1.7B
$1.5B
Total Assets
$5.7B
$5.1B
Debt / EquityLower = less leverage
0.87×
1.23×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CWT
CWT
HTO
HTO
Q4 25
$51.8M
$20.7M
Q3 25
$76.0M
$11.3M
Q2 25
$50.5M
$19.8M
Q1 25
$44.5M
$23.7M
Q4 24
$50.1M
$11.1M
Q3 24
$59.6M
$4.0M
Q2 24
$37.3M
$22.8M
Q1 24
$42.8M
$4.5M
Total Debt
CWT
CWT
HTO
HTO
Q4 25
$1.5B
$1.9B
Q3 25
$1.1B
Q2 25
$1.1B
Q1 25
$1.1B
Q4 24
$1.1B
$1.7B
Q3 24
Q2 24
Q1 24
Stockholders' Equity
CWT
CWT
HTO
HTO
Q4 25
$1.7B
$1.5B
Q3 25
$1.7B
$1.5B
Q2 25
$1.7B
$1.5B
Q1 25
$1.6B
$1.4B
Q4 24
$1.6B
$1.4B
Q3 24
$1.6B
$1.3B
Q2 24
$1.5B
$1.3B
Q1 24
$1.5B
$1.2B
Total Assets
CWT
CWT
HTO
HTO
Q4 25
$5.7B
$5.1B
Q3 25
$5.5B
$5.0B
Q2 25
$5.4B
$4.8B
Q1 25
$5.3B
$4.7B
Q4 24
$5.2B
$4.7B
Q3 24
$5.0B
$4.6B
Q2 24
$4.9B
$4.4B
Q1 24
$4.8B
$4.4B
Debt / Equity
CWT
CWT
HTO
HTO
Q4 25
0.87×
1.23×
Q3 25
0.65×
Q2 25
0.67×
Q1 25
0.68×
Q4 24
0.67×
1.26×
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CWT
CWT
HTO
HTO
Operating Cash FlowLast quarter
$47.9M
$63.5M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
4.17×
3.92×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CWT
CWT
HTO
HTO
Q4 25
$47.9M
$63.5M
Q3 25
$167.3M
$77.3M
Q2 25
$48.9M
$60.8M
Q1 25
$38.4M
$43.2M
Q4 24
$68.1M
$41.5M
Q3 24
$101.8M
$53.5M
Q2 24
$94.4M
$49.3M
Q1 24
$26.5M
$51.2M
Cash Conversion
CWT
CWT
HTO
HTO
Q4 25
4.17×
3.92×
Q3 25
2.73×
1.71×
Q2 25
1.16×
2.47×
Q1 25
2.88×
2.61×
Q4 24
3.50×
1.81×
Q3 24
1.68×
1.39×
Q2 24
2.33×
2.38×
Q1 24
0.38×
4.38×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CWT
CWT

Residential$133.2M63%
Business$47.7M23%
Public Authorities$13.4M6%
Industrial$6.9M3%
Non Regulated Services$4.8M2%
Other Non Regulated Service$1.2M1%

HTO
HTO

Segment breakdown not available.

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