Why Utilities Score So Low on Risk
Utilities rarely make headlines, and that's exactly the point. Screen the sector by Risk Score, where a lower number on Stoxcraft's 0-10 scale means calmer, less volatile trading, and the pattern is obvious: dozens of regulated electric, gas, and water names cluster between 0.6 and 2.6, a range most other sectors never touch. Regulated cash flows, predictable demand, and rate structures set by utility commissions instead of the open market all work together to keep volatility low.
Atmos Energy and Entergy sit right in that cluster. ATO carries a Risk Score of 2.6, the lowest of the three names in this piece, backed by a low beta of 0.60 and a standard deviation of just 4.07%. Entergy isn't far behind at 2.3, helped by a beta of 0.49, less than half the volatility of the broader market. Both stocks post max drawdowns under 6% over the past twelve months, a level of price stability that's rare outside the sector. Atmos details its own capital investment plan and rate case history on its investor relations site.
Not every utility fits the mold, though. Constellation Energy's Risk Score sits at 6.0, meaning meaningfully more risk than its two peers here, not less. CEG runs a merchant power business with heavy exposure to nuclear generation and wholesale electricity prices, a structure closer to a power producer than a traditional regulated utility. Its beta of 1.12 confirms it: this is a utility stock that trades with more market sensitivity than the sector's reputation suggests. The stock is also down 16% over the past year, even as it's up double digits over the past month, a swing pattern that fits its higher Risk Score.
The gap between CEG and its two peers here is a useful reminder: sector labels are a starting point, not the full picture. "Utilities" spans regulated monopolies with government-set returns and merchant generators exposed to spot electricity prices, and those two business models carry very different risk profiles even when both wear the same sector tag.
The Top-Rated Names in the Sector
Health Score tells the fundamentals story, and Constellation Energy leads this group by a wide margin. Its 8.8 Health Score is backed by an ESG Score of 79.6 and $4.2 billion in annual operating cash flow, the kind of balance sheet that supports a 4-star Overall Rating even with the higher Risk Score. Constellation's scale also stands out: a $96.9 billion market cap makes it more than three times the size of Entergy and ATO combined. Constellation publishes its full quarterly results and earnings materials on its investor relations site.
Atmos Energy's 8.3 Health Score comes from a different playbook. As a pure natural gas distributor serving roughly 3 million customers across eight states, its Return on Equity of 8.84% is modest, but its Interest Coverage of 12.63 shows a business with plenty of room to service its debt. Revenue grew from $3.4 billion five years ago to $4.7 billion in the past year, steady, unspectacular growth that matches the regulated-utility profile.
Entergy trails on Health at 6.2, a reflection of a Total Debt figure of $30.9 billion against a smaller equity base than its peers here, though its Piotroski Score of 7, a 0-9 measure of balance-sheet quality where higher is stronger, still points to solid underlying quality. Entergy's business spans nuclear, natural gas, coal, and hydroelectric generation across Arkansas, Louisiana, Mississippi, and Texas, giving it a more diversified generation mix than Atmos's pure-gas model.
Performance Score adds a third dimension to the comparison. Constellation leads at 6.7, driven by a 1-month return of 10.73% as nuclear and data-center power demand narratives continue to support the stock. Entergy isn't far behind at 6.3, aided by an 18.3% 1-year return. Atmos, the calmest of the three on Risk, is also the quietest on Performance at 4.4, the trade-off that usually comes with the lowest-volatility names in any sector.
What This Means for Defensive Positioning
The broader utilities sector's low Risk Score profile makes it a natural fit for anyone building a defensive sleeve, but this trio shows that "utility" isn't one single risk bucket. ATO and ETR both offer the low-beta, dividend-paying profile the sector is known for, with yields of 2.35% and 2.39% respectively, and Risk Scores that sit well inside the sector's calmest range. CEG offers something different: sector-leading fundamentals and stronger recent performance, but at a Risk Score more than double its two peers.
For income-focused positioning, Atmos and Entergy fit the traditional utility playbook more closely, trading lower beta and steadier price action for a smaller upside. For exposure to the AI-driven power demand story with a utility-grade balance sheet behind it, Constellation is the name carrying that thesis, just with a risk profile that looks more like an independent power producer than a regulated monopoly. Neither approach is wrong. It comes down to whether the goal is the lowest possible volatility, or fundamentals plus a growth narrative wrapped in utility-sector packaging.
The full sector can be screened directly on the Stoxcraft Screener, filtering by Risk Score, Health Score, or Overall Rating across every utility Stoxcraft tracks. For dividend-focused investors weighing these names, the Dividend Calculator can model reinvestment across ATO's and ETR's current yields over time.
