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Top Utilities Stocks by Net Margin

Top utilities companies ranked by net margin, latest annual filings.

What Net Margin Means for Utilities Companies

Net margin in utilities is shaped more by regulatory framework than by market pricing. Regulated electric, gas, and water utilities recover prudent operating and fuel costs through rates set by public commissions and earn an authorized return on the invested rate base. That structure produces net margins that tend to cluster in a relatively narrow and predictable band compared with most sectors, punctuated by occasional items tied to weather, storm costs, or regulatory-lag recoveries.

Why It Matters Less in Utilities

A utility's net margin is a secondary output of a system optimized around rate-base growth and authorized return on equity, not a primary competitive signal. Still, variation across utilities can reflect genuine execution quality or differences in service territory economics. It is worth noting that weather normalization, storm-recovery timing, and allowed-return filings can move utility net margin meaningfully in specific years without reflecting any structural change in the business.

What to Read Alongside

Pair net margin with Revenue to see rate-base scale, Operating Margin for the pre-interest view, and Return on Equity because authorized ROE is the metric the entire regulatory framework is actually designed to deliver.

Data as of FY 2025 61 companies Rhea AI
# Symbol Company Sector
1 ATO Atmos Energy Corporation Utilities 25.49% $29.27B
2 NEE NextEra Energy, Inc. Utilities 24.93% $182.36B
3 WTRG Essential Utilities, Inc. Utilities 24.91% $13.02B
4 EIX Edison International Utilities 23.08% $22.84B
5 SWX Southwest Gas Holdings, Inc. Utilities 22.67% $6.62B
6 SBS Companhia de Saneamento Básico do Estado de São Paulo - SABESP Utilities 22.21% $16.96B
7 AWK American Water Works Company, Inc. Utilities 21.61% $29.92B
8 LNT Alliant Energy Corporation Utilities 18.57% $18.85B
9 NGG National Grid plc Utilities 18.32% $83.60B
10 D Dominion Energy, Inc. Utilities 18.16% $60.34B
11 IDA IDACORP, Inc. Utilities 17.84% $8.63B
12 PEG Public Service Enterprise Group Incorporated Utilities 17.35% $36.20B
13 AEE Ameren Corporation Utilities 16.55% $31.24B
14 NJR New Jersey Resources Corporation Utilities 16.48% $5.51B
15 AEP American Electric Power Company, Inc. Utilities 16.36% $68.90B
16 WEC WEC Energy Group, Inc. Utilities 15.90% $38.12B
17 DUK Duke Energy Corporation Utilities 15.41% $99.63B
18 FTS Fortis Inc. Utilities 14.78% $31.00B
19 SO The Southern Company Utilities 14.69% $107.51B
20 OGE OGE Energy Corp. Utilities 14.44% $10.47B
21 EVRG Evergy, Inc. Utilities 14.35% $20.53B
22 NI NiSource Inc. Utilities 14.25% $21.18B
23 XEL Xcel Energy Inc. Utilities 13.76% $51.14B
24 ETR Entergy Corporation Utilities 13.58% $52.82B
25 SRE Sempra Utilities 13.41% $51.13B
26 PPL PPL Corporation Utilities 13.06% $26.94B
27 BKH Black Hills Corporation Utilities 12.62% $6.49B
28 CMS CMS Energy Corporation Utilities 12.54% $21.70B
29 ES Eversource Energy Utilities 12.49% $26.31B
30 EMA Emera Incorporated Utilities 12.41% $15.62B
31 ED Consolidated Edison, Inc. Utilities 11.96% $44.00B
32 ENIC Enel Chile S.A. Utilities 11.92% $6.00B
33 CWEN Clearway Energy, Inc. Utilities 11.83% $7.00B
34 PNW Pinnacle West Capital Corporation Utilities 11.55% $12.63B
35 CIG Companhia Energética de Minas Gerais - CEMIG Utilities 11.45% $5.32B
36 EXC Exelon Corporation Utilities 11.41% $47.21B
37 CNP CenterPoint Energy, Inc. Utilities 11.24% $26.95B
38 NWE NorthWestern Energy Group, Inc. Utilities 11.24% $5.09B
39 SR Spire Inc. Utilities 10.97% $5.25B
40 BIP Brookfield Infrastructure Partners L.P. Utilities 10.96% $18.15B
41 PCG PG&E Corporation Utilities 10.40% $28.57B
42 ELPC Companhia Paranaense de Energia - COPEL Utilities 10.29% $7.94B
43 MDU MDU Resources Group, Inc. Utilities 10.15% $3.92B
44 AVA Avista Corporation Utilities 9.83% $3.37B
45 UGI UGI Corporation Utilities 9.30% $7.94B
46 DTE DTE Energy Company Utilities 9.24% $28.12B
47 CEG Constellation Energy Corporation Utilities 9.08% $88.56B
48 KEP Korea Electric Power Corporation Utilities 8.85% $14.38B
49 NWN Northwest Natural Holding Company Utilities 8.79% $2.18B
50 POR Portland General Electric Company Utilities 8.56% $5.47B
51 EDN Empresa Distribuidora y Comercializadora Norte Sociedad Anónima Utilities 8.04% $616.48M
52 AES The AES Corporation Utilities 7.44% $10.61B
53 RNW ReNew Energy Global Plc Utilities 7.44% $2.53B
54 SPH Suburban Propane Partners, L.P. Utilities 7.44% $1.15B
55 AQN Algonquin Power & Utilities Corp. Utilities 7.43% $4.25B
56 TXNM TXNM Energy, Inc. Utilities 7.01% $6.41B
57 FE FirstEnergy Corp. Utilities 6.76% $26.88B
58 VST Vistra Corp. Utilities 5.32% $42.51B
59 HE Hawaiian Electric Industries, Inc. Utilities 4.09% $1.46B
60 NRG NRG Energy, Inc. Utilities 2.81% $18.56B
61 CTRI Centuri Holdings, Inc. Utilities 0.75% $2.06B

Net margin is GAAP net income divided by revenue, so one-time gains and tax benefits count in full: a company near the top can show a net margin well above its operating margin for that year.

How this ranking is built

Companies are ranked by net margin as reported in their most recent annual filing with the SEC. Figures shown are in US dollars (or percent, as noted), rounded to two decimals.

  • Source: annual 10-K / 20-F filings from companies trading on US exchanges (NYSE, Nasdaq, AMEX).
  • Fiscal year: whichever annual period the company has most recently filed. Fiscal years don't always align with the calendar year, so the "as of FY" stamp above reflects the most common year across the table.
  • Filtered out: warrants, preferred shares, and duplicate listings that share a parent company's financials.
  • Size floor: A company qualifies at $1 billion in annual revenue or above, so a small filer with a freak ratio cannot top the list.
  • Value range: Only figures above 0% and up to 100% qualify.
  • Market cap: stated at each company's latest close, which is newer than the annual figure ranked here.
  • Update cadence: refreshed as companies file new annual reports (typically within 60–90 days of fiscal year end).

Not financial advice. This is a research tool, not a recommendation.

Frequently asked questions

Why is net margin a weaker differentiator among utilities than in most sectors?

Regulated utilities operate under frameworks in which rates are set to allow cost recovery plus an authorized return on invested capital. Within that structure, competitive forces do not drive pricing and the bottom-line margin ends up reflecting accounting and regulatory mechanics more than competitive positioning. Differences across utilities in net margin can come from jurisdictional rate structures, capital intensity, and merchant exposure, but the range tends to be narrow. The metrics that actually differentiate utility quality are typically rate-base growth and authorized versus realized return on equity.

Why is return on equity more important than net margin for a utility?

The regulatory framework is explicitly designed around authorized return on equity rather than margin. A regulator grants the utility the opportunity to earn a defined percentage return on the equity invested in its rate base, and the company's job is to deploy capital efficiently to grow that base over time while earning close to the authorized return. Because the entire business is engineered around ROE, comparing utilities on that metric reflects what the sector is actually optimized for; net margin is a downstream byproduct of the same mechanics.