CALIFORNIA WATER SERVICE GROUP (CWT): what the price assumes

In the published model solve dated 2026-Q2, anchored at $50.03, CALIFORNIA WATER SERVICE GROUP (CWT) is priced for +1.5% growth. boothcheck publishes no house fair value, target price, or buy/sell rating; individual model outputs and user-controlled scenarios are analytical inputs, not Boothcheck targets. Narrative composed 2026-07-25.

Generated: 2026-09-07 · Exported: 2026-09-09 · Source: https://boothcheck.com/report/CWT

Headline

What The Price Assumes (Inversion)

The assumption today's price embeds, recovered by inverting the valuation.

Solve inputs: computed at a 6.5% cost of capital with 4% terminal growth over a 5-year stage.

How unusual the bet is: elevated (limited comparison data)

Valuation X-Ray

The price is justified by relative-multiple and growth-DCF; asset-based/earnings-power land below the price.

How the valuation models price the stock relative to the market price. Price/FV above 1.0 means the market pays more than that lens defends (expensive); at or below 1.0 the lens can defend the price.

Families that justify the price: Relative, Growth Families that call it expensive: Asset, Earnings

The models below discount at their own flat-beta convention rates (cost of equity 9.3%, WACC 9.2%); the inversion above states its own rate.

Per-Model Detail (n=16)

Solvency

Bullet Takeaways

• Cal Water does not compete for customers; it earns an authorized return on the pipes, pumps and treatment plants a commission lets it put into rate base, which makes approved capital spending, not sales growth, the engine of the business.

• Regulatory timing is the volatility: the FY2025 annual report records earnings per share falling from $3.25 to $2.15, or 33.8%, in 2025, on a 36.7 million dollar decline in operating revenue that included 12.7 million of lower customer usage and the cumulative adjustment tied to the 2021 California general rate case.

• Second-quarter results land July 30, 2026, and the acquisition of Palm Mutual Water Company closed July 1, 2026 following state commission approval.

Bull Case

The debt is the least interesting thing on this balance sheet, and that is the point. The annual report notes that interest-rate exposure is lessened because we operate in a regulated industry, adding that If interest rates were to increase, management believes customer rates would increase accordingly, subject to Commission approval in future GRC filings. The majority of our debt is long-term at a fixed rate. Translated: the company borrows long, at fixed cost, against assets whose financing charge is itself a component of the rates it is allowed to charge. Very few businesses can say that the price of their own capital is an input their customers are expected to cover.

That arrangement is what makes the heavy spending rational rather than reckless. Water utilities grow by replacing and extending infrastructure, and every dollar of plant the commission approves enters rate base and earns an authorized return for decades afterward. Operating cash flow in the March 2026 quarter ran 49.4 million dollars against 38.4 million a year earlier, and the revenue side moved with the mechanism rather than with the weather: rate changes and the Monterey-style revenue adjustment added 14.4 million dollars to a quarter that had produced 204.0 million a year before. Share count has grown about 2.7% a year over the past four years, which for a utility is less dilution than financing, since the equity raised turns directly into the asset base the return is calculated on.

The franchise itself is the durable part. As WTRG describes the structure in its own filing, the applicable utility commissions usually allow only one regulated utility to serve a given territory, which means the competitive question in this industry was settled by regulation long ago. A customer who dislikes the service cannot switch suppliers; there is one set of pipes into the house. What remains is an argument with a commission about cost recovery, conducted every few years, with a rulebook.

Consolidation adds to that footprint one small system at a time. The Palm Mutual Water Company acquisition closed on July 1, 2026 after the state commission signed off. Small mutual and municipal systems across California face treatment standards that are expensive to meet at their scale and straightforward at Cal Water's, which is a steady supply of willing sellers. Meanwhile the dividend runs 1.34 per share and keeps being paid through a period of elevated capital spending, which is the clearest statement management makes about how predictable it considers the recovery of that spending to be.

Bear Case

The competitor that matters here is not another water company. It is the city. The annual report describes public agencies that are empowered to condemn properties already operated by privately owned public utilities and are authorized to issue bonds, including revenue bonds, for the purpose of acquiring or constructing water systems. A municipality can therefore take the system by legal process and refinance it with tax-exempt debt, which is a structurally cheaper cost of capital than any investor-owned utility can match. Every rate increase that lands badly with a city council strengthens the argument for doing exactly that.

Where Cal Water does face conventional competition, it is against much larger balance sheets. AWK, which turns 5.2 billion dollars of revenue into a 36.5% operating margin, states in its own filing that acquisitions are an important part of our growth strategy and that they involve competition for acquisition opportunities from other regulated utilities, governmental entities and other buyers. WTRG, at 2.55 billion of revenue and a 35.0% margin, notes in turn that as consolidation spreads, the prices for suitable acquisitions rise. Cal Water is bidding for the same small systems as acquirers several times its size, and the mechanism that decides those auctions is price.

The regulator is the other party that can say no, and it does so with numbers attached. On one project the annual report records that the commission authorized Cal Water to recover revenue associated with costs up to a cap of $96.1 million after the asset was placed in service, subject to a reasonableness review, while Total project costs incurred were $117.2 million. The difference between what was spent and what was authorized is not a rounding error, and until the review concludes it is a live question about who absorbs it. That is the everyday texture of regulatory risk: not expropriation, just the persistent possibility that money already spent does not become rate base.

The profitability comparison is uncomfortable, and it is not explained away by geography. AWR, a fellow California water utility, converts 30.8% of revenue into operating profit. HTO manages 21.8%. Cal Water manages 17.1%. Against the national names the gap is wider still. Something about this company's cost structure, rate-case timing, or both, leaves it with less of each revenue dollar than utilities operating under the same commission.

Earnings have also proven less stable than the word utility suggests. The annual report puts 2025 earnings per share at 2.15 against 3.25 the year before, a 62.6 million dollar decline in net income driven by lower operating revenue including 12.7 million of reduced customer usage and the cumulative adjustment for the 2021 California general rate case. Against that record, the price embeds roughly 4.3% annual growth in operating profit sustained over about five years, on a multiple that sits at the very top of its peer group. The growth rate itself is unremarkable. Paying the sector's highest multiple for it, from a business whose earnings can move by a third on the timing of a commission decision, is the part that requires conviction.

Valuation

Start with a warning about the denominator. The trailing year is not a representative one: earnings per share fell from 3.25 to 2.15 and net income by 62.6 million dollars, on lower operating revenue that the annual report attributes partly to reduced customer usage and partly to a cumulative adjustment for the 2021 California general rate case. Any multiple built on trailing operating profit is therefore measuring a trough year and reading high as a result. The market pays roughly 29 times that trailing figure. On a normal year it would pay less, and how much less is precisely the question a buyer is answering.

The methods split along a line that is unusually informative for a regulated utility. Peer-multiple approaches and the cash-flow approaches roughly reach today's price. The book-value approaches and the earnings-power approaches land well beneath it, at roughly two and a half times over on the asset side. For most companies the book-value lens is a crude instrument. For a utility it is close to the heart of the matter, because the commission sets the allowed return as a percentage of that very book. Cal Water currently earns about 7.1% on a book value of 28.12 per share, while the cost of that equity sits nearer 9.3%. Buyers are nonetheless paying a substantial premium to the very book that return is calculated on, which is to say paying above book for a business earning less on it than its owners give up elsewhere.

What the price assumes, run backwards, is around 4.3% annual growth in operating profit over about five years. That is a modest requirement by any standard and well inside what this company has delivered. It comes, though, from a solve computed at a 6.46% cost of capital, and the arithmetic is unusually sensitive to that input: a single percentage point of cost of capital shifts the implied growth requirement by something like ten points. Hold the figure loosely. The direction it points is that the price is not demanding heroics from operations. It is demanding that interest rates and the regulatory bargain both stay roughly where they are.

The cohort sharpens the picture rather than softening it. AWK converts 36.5% of revenue into operating profit and WTRG 35.0%, both on far larger revenue bases. AWR, operating under the same California commission, manages 30.8%, and HTO 21.8%. Cal Water converts 17.1%. Yet its multiple sits at the very top of the peer distribution, beyond the upper quartile. Part of that is the trough year in the denominator. Part of it is that investors treat California water rights and a growing rate base as scarce enough to pay up for regardless of this year's conversion rate.

The balance sheet is built for the business rather than against it. Borrowings of roughly 1.71 billion sit against liquid assets near 58 million, which would be alarming in an industrial company and is ordinary here: the debt is long-dated, mostly fixed-rate, and its cost is a recognized component of the rates customers pay. The share count rises about 2.7% a year to fund plant. The genuine downside is not insolvency, and it is not competition. It is a commission that declines to let some portion of the spending into rate base, which is a risk that shows up quietly, in a single decision, several years after the money has gone into the ground.

Catalysts

Second-quarter results are scheduled for July 30, 2026, with the release confirmed on July 9, 2026. Water is seasonal and the June quarter carries the start of the dry-season usage that drives volumetric revenue, so the read on customer usage matters more in this print than in the March one.

The March quarter set a constructive tone underneath the headline. Operating cash flow came in at 49.4 million dollars against 38.4 million in the same quarter of 2025, and rate changes together with the Monterey-style revenue adjustment mechanism contributed 14.4 million dollars of the revenue change from a base quarter of 204.0 million. Rate-driven revenue is the durable kind for a utility; usage-driven revenue is the kind the weather decides.

Two regulatory items sit ahead. The acquisition of Palm Mutual Water Company completed on July 1, 2026 following approval by the state commission, adding customers who become part of the rate base at the next filing. And the reasonableness review on the project where total costs incurred reached 117.2 million dollars against an authorized recovery cap of 96.1 million remains open. Neither is large enough on its own to reset the earnings power of the company. Both are the kind of decision that, repeated over a decade, determines whether the authorized return is actually earned.

Peer Cohorts (Per Segment, With Filing Citations)

Core business (reported)

• HTO (H2O AMERICA)
• FY2025 10-K: …purchase price of $483,600 will serve as the ratemaking rate base. TWC filed its STM application with the PUCT in January 2026. Reportable Segment Water Utility Services is our single reportable segment. Other business activities that are not separately reportable segments are SJWC's City of Cupertino service…
• FY2025 10-K: …amounts. Certain corporate costs and expenses are not allocated to Water Utility Services or Other Services and are shown separately to reconcile to the applicable consolidated amounts. 86 Table of Contents For the year ended December 31, 2025 Reportable Segment Water Utility Services Other Services (1) Unallocated…
• WTRG (Essential Utilities, Inc.)
• FY2025 10-K: …The rights to provide water, wastewater, or natural gas service to customers in a particular franchised service territory are generally non-exclusive, although the applicable utility commissions usually allow only one regulated utility to provide service to customers in a given area. In some instances, another water…
• FY2025 10-K: …entities, other regulated utilities, and strategic and financial buyers, for acquisition opportunities. As consolidation becomes more prevalent in the utility industry and competition for acquisitions increases, the prices for suitable acquisition candidates may increase to unacceptable levels and limit our ability…
• AWK (AMERICAN WATER WORKS COMPANY, INC.)
• FY2025 10-K: …it operates. T he Company continues to advocate for federal and state customer affordability support and monitors the number of customers enrolled in its assistance programs to make sure that it is effectively responding to customer needs. In addition, the Company advocates for low income rate discount programs and…
• FY2025 10-K: …An important part of our growth strategy is the acquisition of water and wastewater systems, which involves risks, including competition for acquisition opportunities from other regulated utilities, governmental entities and other buyers, which may hinder or limit our ability to grow our business. An important…
• AWR (American States Water Co)
• FY2025 10-K: …and actual pension expenses for future recovery or refund to customers. Our business requires significant capital expenditures and our inability to access the capital or financial markets could affect our ability to meet our liquidity needs and long-term commitments, which could adversely impact our operations and…
• FY2025 10-K: …as further discussed below. We are also subject to risks frequently encountered by businesses of our size. Regulated Water and Electric Utility Operations GSWC's and BVES's revenues depend substantially on the rates and charges we are permitted to recover from our customers and the timing of that recovery as…
• NJR (NEW JERSEY RESOURCES CORPORATION)
• FY2025 10-K: …of NJNG. NJNG's Utility Gross Margin is defined as operating revenues less natural gas purchases, sales tax and regulatory rider expenses. This measure differs from gross margin as presented on a GAAP basis, as it excludes certain operations and maintenance expense and depreciation and amortization. Utility Gross…
• FY2025 10-K: …in base rates, effective November 21, 2024. Page 43 New Jersey Resources Corporation Part II ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS (Continued) BGSS Incentive Programs The factors contributing to the change in Utility Gross Margin generated by BGSS incentive…
• HE (HAWAIIAN ELECTRIC INDUSTRIES, INC.)
• FY2025 10-K: …an independent observer from the final list of identified qualified candidates; (5) the utility may consider its own self-bid proposals in response to system resource needs identified in its RFP; and (6) for any resource to which competitive bidding does not apply (due to waiver or exemption), the utility retains its…
• FY2025 10-K: …municipality structures for electrical service on all islands it serves. With the exception of certain identified projects, the Utilities are required to use competitive bidding to acquire a future generation resource unless the PUC finds competitive bidding to be unsuitable. This means that unless exempt, proposed…
• POR (PORTLAND GENERAL ELECTRIC COMPANY)
• FY2025 10-K: …and natural gas in an effort to meet the needs of, and obtain reasonably-priced power for its retail customers, manage risk, and administer its long-term wholesale contracts. The Company generates revenues and cash flows primarily from the sale and distribution of electricity to retail customers in its service…
• FY2025 10-K: …bi-lateral agreements, within the region to serve retail demand. PGE's engagement in the wholesale electricity marketplace depends upon numerous factors, including: 1) the relative price and availability of power, whether purchased, generated, or from storage facilities; 2) hydro, wind, and solar conditions; and 3)…
• OTTR (OTTER TAIL CORPORATION)
• FY2025 10-K: …business operates as a regulated monopoly. Our retail customers reside within our assigned service territories, and most retail customers do not have the ability to choose their electric supplier. However, we are subject to extensive regulation, as further described below, along with certain public policies that…
• FY2025 10-K: …on equity in comparison to internal thresholds or peer entities. The operations of our three reportable segments are further described below. We have aggregated two operating segments within our Manufacturing reportable segment based on the similarity between these businesses and their economic characteristics.…

Methodology Note

• Priced-in inversion: the valuation is inverted on the current price to recover the operating-income growth, duration, and steady-state margin the price embeds (ROE for financials, FFO growth for REITs).
• Valuation x-ray: the valuation models, grouped into four families (asset, earnings, relative, growth). Each model is expressed as a price/FV ratio (distance from price), not a point fair-value estimate. The spread across families is the disagreement.
• Solvency: net cash/debt, net-debt-to-NOPAT, interest coverage, and share-count CAGR from EDGAR financials (net debt / FFO and fixed-charge coverage for REITs; regulatory-capital framing for financials).
• Peer cohorts: per-segment comparables with deep-linkable SEC filing citations.

Fundamentals sourced from SEC EDGAR filings. Current price from Databento. The priced-in inversion and valuation x-ray are computed by the boothcheck engine; narrative composed by AI from the structured data.