FTS vs ATO vs WEC vs ES vs CMS

For growth investors, WEC Energy Group, Inc.

(WEC) is the stronger pick with 14. 0% revenue growth year-over-year, versus 5. 8% for Fortis Inc. (FTS). Eversource Energy (ES) offers the better valuation at 15. 0x trailing P/E (14. 5x forward), making it the more compelling value choice. Analysts rate CMS Energy Corporation (CMS) a "Buy" — based on 29 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Eversource Energy (ES) is the cheapest at 15.

0x versus Atmos Energy Corporation at 24. 7x. On forward P/E, Eversource Energy is actually cheaper at 14. 5x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Atmos Energy Corporation wins at 2. 52x versus WEC Energy Group, Inc. 's 4. 10x.

Over the past 5 years, Atmos Energy Corporation (ATO) delivered a total return of +93.

7%, compared to -2. 5% for Eversource Energy (ES). Over 10 years, the gap is even starker: ATO returned +185. 9% versus ES's +61. 8%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Fortis Inc.

(FTS) is the lower-risk stock at -0. 26β versus Eversource Energy's 0. 27β — meaning ES is approximately -204% more volatile than FTS relative to the S&P 500. On balance sheet safety, Atmos Energy Corporation (ATO) carries a lower debt/equity ratio of 69% versus 195% for CMS Energy Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), WEC Energy Group, Inc.

(WEC) is pulling ahead at 14. 0% versus 5. 8% for Fortis Inc. (FTS). On earnings-per-share growth, the picture is similar: Eversource Energy grew EPS 100. 9% year-over-year, compared to 0. 0% for WEC Energy Group, Inc.. Over a 3-year CAGR, ATO leads at 3. 8% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Atmos Energy Corporation (ATO) is the more profitable company, earning 25.

5% net margin versus 12. 5% for Eversource Energy — meaning it keeps 25. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ATO leads at 33. 2% versus 20. 2% for CMS. At the gross margin level — before operating expenses — FTS leads at 72. 3%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Atmos Energy Corporation (ATO) is the more undervalued stock at a PEG of 2. 52x versus WEC Energy Group, Inc. 's 4. 10x. Both stocks trade at elevated growth-adjusted valuations, so expected growth needs to materialise. On forward earnings alone, Eversource Energy (ES) trades at 14. 5x forward P/E versus 22. 2x for Atmos Energy Corporation — 7. 7x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for FTS: 10. 5% to $62. 00.

All stocks in this comparison pay dividends.

Eversource Energy (ES) offers the highest yield at 4. 3%, versus 1. 9% for Atmos Energy Corporation (ATO).

For long-horizon retirement investors, Fortis Inc.

(FTS) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β -0. 26), 2. 0% yield, +125. 9% 10Y return). Both have compounded well over 10 years (FTS: +125. 9%, ES: +61. 8%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Utilities sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: FTS is a mid-cap quality compounder stock; ATO is a mid-cap quality compounder stock; WEC is a mid-cap income-oriented stock; ES is a mid-cap deep-value stock; CMS is a mid-cap quality compounder stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.