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Most Indebted Utilities Stocks

Top utilities companies ranked by long-term debt, latest annual filings.

Most Indebted Utilities Companies: What Long-Term Debt Tells You

Long-term debt in utilities is a core feature of the business model, not a warning signal. Regulated utilities typically fund their rate base with a mix of debt and equity approved by regulators, and that rate base earns an allowed return on the full capital invested. The largest absolute debt balances in the market often sit with integrated utilities, and those figures reflect decades of regulator-approved capital investment in generation, transmission, and distribution networks.

Why Debt Isn't Always a Red Flag in Utilities

Regulators explicitly assume a target capital structure when setting rates, and investment-grade debt access is essential to the utility model. Still, not all debt is earning a regulated return: holding-company debt at a utility parent sits outside the rate base, and debt-funded acquisitions or non-regulated ventures can sit above or below the regulated utility in structure. Reading debt by subsidiary and regulatory status tells a cleaner story than the consolidated total.

What to Read Alongside

Pair long-term debt with [Free Cash Flow](/financials/top-free-cash-flow-stocks/utilities/) to see residual cash after rate base capex, [EBITDA](/financials/top-ebitda-stocks/utilities/) for leverage ratios relative to regulated earnings, and [Cash & Equivalents](/financials/top-cash-rich-stocks/utilities/) for net-debt context after available liquidity.

Data as of FY 2025 68 companies Rhea AI
# Symbol Company Sector
1 NEE NextEra Energy, Inc. Utilities $89.56B $176.94B
2 DUK Duke Energy Corporation Utilities $80.11B $96.82B
3 SO The Southern Company Utilities $65.65B $105.14B
4 PCG PG&E Corporation Utilities $57.39B $36.98B
5 EXC Exelon Corporation Utilities $47.41B $46.57B
6 D Dominion Energy, Inc. Utilities $46.33B $58.65B
7 AEP American Electric Power Company, Inc. Utilities $44.13B $69.91B
8 EIX Edison International Utilities $36.07B $27.84B
9 XEL Xcel Energy Inc. Utilities $32.33B $48.86B
10 SRE Sempra Utilities $28.98B $59.84B
11 ETR Entergy Corporation Utilities $27.90B $50.32B
12 ES Eversource Energy Utilities $26.87B $25.74B
13 ED Consolidated Edison, Inc. Utilities $25.55B $39.37B
14 FE FirstEnergy Corp. Utilities $25.51B $27.00B
15 DTE DTE Energy Company Utilities $25.31B $30.33B
16 PEG Public Service Enterprise Group Incorporated Utilities $21.67B $39.26B
17 CNP CenterPoint Energy, Inc. Utilities $20.57B $27.83B
18 WEC WEC Energy Group, Inc. Utilities $18.50B $36.83B
19 AEE Ameren Corporation Utilities $18.21B $29.96B
20 PPL PPL Corporation Utilities $17.99B $26.68B
21 CMS CMS Energy Corporation Utilities $17.81B $22.50B
22 VST Vistra Corp. Utilities $17.04B $49.36B
23 NRG NRG Energy, Inc. Utilities $16.41B $26.10B
24 NI NiSource Inc. Utilities $15.46B $22.35B
25 EVRG Evergy, Inc. Utilities $13.04B $19.09B
26 AWK American Water Works Company, Inc. Utilities $12.78B $24.30B
27 LNT Alliant Energy Corporation Utilities $10.95B $18.76B
28 PNW Pinnacle West Capital Corporation Utilities $9.21B $12.41B
29 ATO Atmos Energy Corporation Utilities $8.91B $28.08B
30 WTRG Essential Utilities, Inc. Utilities $8.11B $10.53B
31 CWEN Clearway Energy, Inc. Utilities $7.90B $5.87B
32 CEG Constellation Energy Corporation Utilities $7.25B $88.10B
33 TLN Talen Energy Corporation Utilities $6.78B $15.65B
34 UGI UGI Corporation Utilities $6.53B $7.45B
35 AQN Algonquin Power & Utilities Corp. Utilities $6.17B $4.53B
36 XIFR XPLR Infrastructure, LP Utilities $5.44B $1.09B
37 OGE OGE Energy Corp. Utilities $5.37B $9.77B
38 TXNM TXNM Energy, Inc. Utilities $5.12B $6.33B
39 BKH Black Hills Corporation Utilities $4.70B $5.46B
40 POR Portland General Electric Company Utilities $4.66B $5.79B
41 BIP Brookfield Infrastructure Partners L.P. Utilities $3.97B $17.65B
42 SWX Southwest Gas Holdings, Inc. Utilities $3.43B $6.37B
43 SR Spire Inc. Utilities $3.37B $4.60B
44 IDA IDACORP, Inc. Utilities $3.33B $7.84B
45 NJR New Jersey Resources Corporation Utilities $3.25B $5.50B
46 NWE NorthWestern Energy Group, Inc. Utilities $3.18B $4.27B
47 ORA Ormat Technologies, Inc. Utilities $2.66B $8.38B
48 MDU MDU Resources Group, Inc. Utilities $2.53B $4.37B
49 OGS ONE Gas, Inc. Utilities $2.36B $4.78B
50 HE Hawaiian Electric Industries, Inc. Utilities $2.29B $2.27B
51 NWN Northwest Natural Holding Company Utilities $2.27B $2.07B
52 HTO H2O America Utilities $1.87B $2.37B
53 ALE ALLETE, Inc. Utilities $1.70B $3.94B
54 CWT California Water Service Group Utilities $1.47B $2.71B
55 CPK Chesapeake Utilities Corporation Utilities $1.33B $2.94B
56 SPH Suburban Propane Partners, L.P. Utilities $1.21B $1.26B
57 MGEE MGE Energy, Inc. Utilities $0.79B $2.90B
58 AWR American States Water Company Utilities $0.78B $3.01B
59 CTRI Centuri Holdings, Inc. Utilities $0.71B $3.00B
60 UTL Unitil Corporation Utilities $0.63B $0.92B
61 MWH SOLV Energy, Inc. Utilities $0.39B $6.69B
62 MSEX Middlesex Water Company Utilities $0.38B $0.98B
63 ENIC Enel Chile S.A. Utilities $0.37B $6.10B
64 ENLT Enlight Renewable Energy Ltd Utilities $0.23B $13.16B
65 RNW ReNew Energy Global Plc Utilities $0.10B $2.31B
66 NRGV Energy Vault Holdings, Inc. Utilities $0.04B $0.79B
67 HNRG Hallador Energy Company Utilities $0.03B $0.76B
68 KEN Kenon Holdings Ltd. Utilities $0.01B $3.76B

How this ranking is built

Companies are ranked by long-term debt 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.