California Water Service Group has grown revenue 9.8% a year over three years and 5.9% a year over five, with earnings per share compounding at 24%. Revenue growth, 3-year annual rate: +9.8% (Utilities - Regulated Water median +6.7%). Revenue growth, 5-year rate: +5.9%, growth has picked up over the last three years. Earnings per share, 3-year rate: +24%, earnings outgrew revenue: margins or the share count worked for shareholders. Years of annual history on file: 18, FY2008 to FY2025, as filed.

CWTCalifornia Water Service Group

Utilities

$45.93+3.2% 1Y

$45.93

$41.6752 weeks$52.42

Latest close: back above its 200-day averageOct 9, 2026what changed →

Is it growing?

Mixed

Neither accelerating nor breaking down: revenue roughly flat (+4% year on year) and earnings roughly flat (−3% year on year).

3 neutral

Revenue trend+4% in a year

Trailing-twelve-month revenue vs a year earlier, from the company's own filings. Five-year pace: +6% a year.

Earnings trend−3% in a year

Trailing-twelve-month earnings per share against a year earlier. Growing slower than revenue, so the growth is costing something.

Margin direction+0.1 points operating

Trailing-twelve-month operating margin, 17.3% now against 17.3% a year earlier.

All from SEC EDGAR, as of Jun 30, 2026.

Where this answer is blind. These are trailing numbers from the filings, not forecasts: an acquisition or a one-off year can flatter them, so check the quarters.

Is CWT growing?

California Water Service Group has grown revenue 9.8% a year over three years and 5.9% a year over five, with earnings per share compounding at 24%.

+9.8%

Revenue growth, 3-year annual rate · Utilities - Regulated Water median +6.7% · steady growth, ahead of inflation · compounded from trailing twelve-month revenue

Revenue growth, 5-year rate: +5.9%
Revenue growth, 5-year rate · +9.8% over three · growth has picked up over the last three years
Earnings per share, 3-year rate: +24%
Earnings per share, 3-year rate · revenue +9.8% · earnings outgrew revenue: margins or the share count worked for shareholders
Years of annual history on file: 18
Years of annual history on file · FY2008 to FY2025, as filed