California Water Service Group (CWT) Income Statement

The 2024 General Rate Case (GRC) decision appears to have reset the revenue trajectory, with 2026Q2 revenue up 16.5% YoY. However, the pattern of sharp quarterly swings—from $204.0M in 2025Q1 to $311.2M in 2025Q3—indicates that rate recovery is not smooth, likely due to seasonal usage and regulatory lag. The 2026Q2 revenue surge may reflect retroactive rate implementation, but the sustainability of this level depends on continued rate base growth and CPUC approval of future rate increases.

The operating margin in 2026Q2 was 28.6%, but this is an outlier; the trailing four-quarter average is closer to 18.6%, well below the 28.8% achieved in 2024Q1. This volatility implies that CWT is not consistently earning its authorized ROE, as regulatory lag and cost recovery timing create margin compression. The 2024 GRC decision may have set a lower authorized ROE, and the company appears to be earning below that in most quarters, which could signal a less constructive regulatory environment.

The cost recovery mechanism appears to be subject to regulatory lag, as evidenced by the margin compression in 2025Q1 (11.0% operating margin) despite revenue growth. This indicates that when purchased water or electricity costs rise, CWT may not immediately recover them through rates, creating a temporary drag on profitability. The 2026Q2 margin recovery suggests that the company eventually recovers these costs, but the timing mismatch can cause quarterly earnings volatility.

The steady increase in D&A—from $33.4M to $40.3M over the period—reflects a growing asset base, likely driven by infrastructure investment and PFAS remediation. However, EPS growth has been inconsistent, with 2026Q1 EPS falling 69.3% YoY, suggesting that the rate base growth is not yet generating proportional earnings. This may be due to regulatory lag, as new assets are not immediately included in rate base, or because the allowed ROE is insufficient to cover the cost of capital. The 2026Q2 EPS rebound suggests that once assets are in rate base, earnings improve, but the timing is uncertain.