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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](/financials/top-revenue-stocks/utilities/) to see rate-base scale, [Operating Margin](/financials/top-operating-margin-stocks/utilities/) for the pre-interest view, and [Return on Equity](/financials/top-roe-stocks/utilities/) because authorized ROE is the metric the entire regulatory framework is actually designed to deliver.

Data as of FY 2025 78 companies Rhea AI
# Symbol Company Sector
1 STEM Stem, Inc. Utilities 88.16% $0.09B
2 PCYO Pure Cycle Corporation Utilities 50.25% $0.28B
3 ENLT Enlight Renewable Energy Ltd Utilities 32.89% $11.40B
4 NEE NextEra Energy, Inc. Utilities 26.49% $191.81B
5 YORW The York Water Company Utilities 25.89% $0.48B
6 ATO Atmos Energy Corporation Utilities 25.49% $30.86B
7 NJR New Jersey Resources Corporation Utilities 24.84% $5.62B
8 EIX Edison International Utilities 23.08% $27.23B
9 WTRG Essential Utilities, Inc. Utilities 21.69% $11.05B
10 AWK American Water Works Company, Inc. Utilities 21.69% $25.70B
11 ARTNA Artesian Resources Corporation Utilities 20.21% $0.33B
12 AWR American States Water Company Utilities 19.82% $2.98B
13 BIPC Brookfield Infrastructure Corporation Utilities 19.08% $5.14B
14 LNT Alliant Energy Corporation Utilities 18.57% $18.81B
15 IDA IDACORP, Inc. Utilities 18.52% $8.20B
16 D Dominion Energy, Inc. Utilities 18.16% $54.86B
17 PEG Public Service Enterprise Group Incorporated Utilities 17.35% $40.69B
18 KEN Kenon Holdings Ltd. Utilities 17.00% $4.32B
19 AEP American Electric Power Company, Inc. Utilities 16.90% $72.65B
20 AEE Ameren Corporation Utilities 16.60% $31.18B
21 WEC WEC Energy Group, Inc. Utilities 15.87% $37.74B
22 DUK Duke Energy Corporation Utilities 15.65% $99.64B
23 CPK Chesapeake Utilities Corporation Utilities 15.09% $3.04B
24 SO The Southern Company Utilities 14.69% $106.54B
25 OGE OGE Energy Corp. Utilities 14.44% $9.94B
26 EVRG Evergy, Inc. Utilities 14.35% $18.97B
27 NI NiSource Inc. Utilities 14.25% $23.12B
28 RGCO RGC Resources, Inc. Utilities 13.93% $0.23B
29 CWCO Consolidated Water Co. Ltd. Utilities 13.88% $0.52B
30 ETR Entergy Corporation Utilities 13.70% $52.88B
31 SRE Sempra Utilities 13.41% $61.43B
32 CWT California Water Service Group Utilities 13.26% $2.69B
33 PPL PPL Corporation Utilities 13.06% $29.35B
34 HTO H2O America Utilities 12.81% $2.43B
35 BKH Black Hills Corporation Utilities 12.62% $5.79B
36 ES Eversource Energy Utilities 12.55% $26.03B
37 CMS CMS Energy Corporation Utilities 12.54% $23.95B
38 ORA Ormat Technologies, Inc. Utilities 12.52% $6.95B
39 PNW Pinnacle West Capital Corporation Utilities 11.83% $12.59B
40 CWEN Clearway Energy, Inc. Utilities 11.83% $4.73B
41 ALE ALLETE, Inc. Utilities 11.72% $3.94B
42 EXC Exelon Corporation Utilities 11.41% $48.11B
43 CNP CenterPoint Energy, Inc. Utilities 11.24% $28.13B
44 NWE NorthWestern Energy Group, Inc. Utilities 11.24% $4.46B
45 BEP Brookfield Renewable Partners L.P. Utilities 11.11% $10.58B
46 SR Spire Inc. Utilities 10.97% $5.46B
47 BIP Brookfield Infrastructure Partners L.P. Utilities 10.96% $16.89B
48 OPAL OPAL Fuels Inc. Utilities 10.43% $0.07B
49 MDU MDU Resources Group, Inc. Utilities 10.15% $4.45B
50 AVA Avista Corporation Utilities 9.83% $3.45B
51 UTL Unitil Corporation Utilities 9.37% $0.97B
52 UGI UGI Corporation Utilities 9.30% $7.89B
53 CEG Constellation Energy Corporation Utilities 9.08% $107.32B
54 NWN Northwest Natural Holding Company Utilities 8.79% $2.25B
55 POR Portland General Electric Company Utilities 8.56% $6.07B
56 TXNM TXNM Energy, Inc. Utilities 7.84% $6.42B
57 SPH Suburban Propane Partners, L.P. Utilities 7.44% $1.25B
58 AES The AES Corporation Utilities 7.44% $10.32B
59 AQN Algonquin Power & Utilities Corp. Utilities 7.43% $4.90B
60 FE FirstEnergy Corp. Utilities 6.76% $28.98B
61 VST Vistra Corp. Utilities 5.32% $55.34B
62 GWRS Global Water Resources, Inc. Utilities 5.30% $0.22B
63 RNW ReNew Energy Global Plc Utilities 4.75% $1.82B
64 VIASP Via Renewables, Inc. Utilities 4.13%
65 HE Hawaiian Electric Industries, Inc. Utilities 4.09% $2.73B
66 GNE Genie Energy Ltd. Utilities 2.96% $0.37B
67 NRG NRG Energy, Inc. Utilities 2.81% $35.62B
68 CTRI Centuri Holdings, Inc. Utilities 0.75% $3.40B
69 ED Consolidated Edison, Inc. Utilities 0.01% $40.58B
70 MSEX Middlesex Water Company Utilities 0.00% $0.95B
71 PCG PG&E Corporation Utilities 0.00% $38.01B
72 FLNC Fluence Energy, Inc. Utilities -2.14% $1.79B
73 XIFR XPLR Infrastructure, LP Utilities -2.36% $0.96B
74 TLN Talen Energy Corporation Utilities -8.49% $16.59B
75 ELLO Ellomay Capital Ltd. Utilities -22.25% $0.34B
76 NRGV Energy Vault Holdings, Inc. Utilities -50.87% $0.62B
77 BEPC Brookfield Renewable Corporation Utilities -62.85% $7.72B
78 DGXX Digi Power X Inc. Utilities -82.94% $0.22B

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.
  • 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.