CWT California Water Service Group margins

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Relative Growth: Rel. Growth: 54
Relative Strength: Rel. Strength: 64
Relative Valuation: Rel. Valuation: 53
Relative Profitability: Rel. Profitability: 54
Gross margin
47%
Operating margin
20.6%
EBITDA margin
35.2%
Net margin
12.8%

The California Water Service Group shows a gross margin of 47%, an operating margin of 20.6%, an EBITDA margin of 35.2%, and a net margin of 12.8%. Operating margin improved the most, by 1.5 percentage points, while net margin declined the most, by 0.8 percentage points.

CWT margin history

Gross, operating, EBITDA and net margin trends

Over the last 3 years, California Water Service Group's margins averaged 47.4% gross, 19.41% operating, 35.67% EBITDA, and 14.07% net. Currently, operating margin is above its three-year average, while gross, EBITDA, and net margins are below their three-year averages.

CWT margin expansion

Year-over-year margin changes in percentage points

The strongest improvement was in operating margin, which increased by 1.5 percentage points, but gross margin contracted by 0.2 percentage points, EBITDA margin by 0.6 percentage points, and net margin by 0.8 percentage points.

Gross margin expansion
-0.2pp
Operating margin expansion
1.5pp
EBITDA margin expansion
-0.6pp
Net margin expansion
-0.8pp

CWT Gross margin

Over the last 3 years, the average gross margin for California Water Service Group was 47.4%. The latest gross margin for California Water Service Group is 47%, 0.4 percentage points below its three-year average. California Water Service Group's gross margin ranged from a low of 40.9% in Dec 2023 to a high of 51.4% in Dec 2024.

CWT Operating margin

California Water Service Group's operating margin averaged 19.41% across the past 3 years. The current operating margin of 20.6% is 1.2 percentage points above its three-year average. Over the last 3 years, California Water Service Group's operating margin peaked at 25.2% in Dec 2024 and reached a low of 7.8% in Dec 2023.

CWT EBITDA margin

Across the last 3 years, California Water Service Group recorded an average EBITDA margin of 35.67%. California Water Service Group's current EBITDA margin is 35.2% and is 0.5 percentage points below its three-year average. The highest EBITDA margin for California Water Service Group was 40.4% in Dec 2024, while the lowest was 26.4% in Dec 2023.

CWT Net margin

California Water Service Group's net margin averaged 14.07% over the last 3 years. Against its three-year average, California Water Service Group's net margin is currently 12.8%, 1.3 percentage points below its three-year average. Over the last 3 years, California Water Service Group's net margin peaked at 19.6% in Sep 2024 and reached a low of 6.5% in Dec 2023.

CWT margin group comparison

Margins compared with peer-group, industry and sector averages

California Water Service Group's gross margin of 47% is above the Utilities sector average but below the industry and its peers average. Compared to its Utilities sector average of 43.2%, California Water Service Group's gross margin is 9% higher.

CWT margin peer comparison

Compare margins with selected peers

Frequently asked questions

What is California Water Service Group's gross margin?

The current gross margin for CWT is 47% as of Sep 30, 2026.

What is California Water Service Group's operating margin?

For the period ending Sep 30, 2026, CWT recorded an operating margin of 20.6%.

What is California Water Service Group's EBITDA margin?

As of Sep 30, 2026, CWT has an EBITDA margin of 35.2%.

What is California Water Service Group's net margin?

For the period ending Sep 30, 2026, CWT recorded a net margin of 12.8%.

What are the average margins of CWT?

Over the last 3 years, California Water Service Group's margins averaged 47.4% gross, 19.4% operating, 35.7% EBITDA, and 14.1% net.

What are the highest historical margins of CWT?

Over this 5-year history, CWT peaked at 51.4% gross in Dec 2024, 25.2% operating in Dec 2024, 40.4% EBITDA in Dec 2024, and 19.6% net in Sep 2024.

What are the lowest historical margins of CWT?

California Water Service Group's lowest recorded margins during the past 5 years were 40.9% gross in Dec 2023, 7.8% operating in Dec 2023, 26.4% EBITDA in Sep 2023, and 5.3% net in Sep 2023.