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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 66 companies Rhea AI
# Symbol Company Sector
1 NEE NextEra Energy, Inc. Utilities $89.56B $191.81B
2 DUK Duke Energy Corporation Utilities $80.11B $99.64B
3 SO The Southern Company Utilities $65.65B $106.54B
4 PCG PG&E Corporation Utilities $57.39B $38.01B
5 EXC Exelon Corporation Utilities $49.43B $48.11B
6 D Dominion Energy, Inc. Utilities $46.33B $54.86B
7 AEP American Electric Power Company, Inc. Utilities $44.13B $72.65B
8 EIX Edison International Utilities $36.07B $27.23B
9 XEL Xcel Energy Inc. Utilities $31.83B $50.61B
10 SRE Sempra Utilities $28.98B $61.43B
11 ETR Entergy Corporation Utilities $27.90B $52.88B
12 ES Eversource Energy Utilities $26.87B $26.03B
13 ED Consolidated Edison, Inc. Utilities $25.55B $40.58B
14 FE FirstEnergy Corp. Utilities $25.51B $28.98B
15 DTE DTE Energy Company Utilities $25.31B $30.58B
16 PEG Public Service Enterprise Group Incorporated Utilities $21.67B $40.69B
17 CNP CenterPoint Energy, Inc. Utilities $20.57B $28.13B
18 WEC WEC Energy Group, Inc. Utilities $18.50B $37.74B
19 AEE Ameren Corporation Utilities $18.21B $31.18B
20 PPL PPL Corporation Utilities $17.99B $29.35B
21 CMS CMS Energy Corporation Utilities $17.81B $23.95B
22 VST Vistra Corp. Utilities $17.04B $55.34B
23 NRG NRG Energy, Inc. Utilities $16.41B $35.62B
24 NI NiSource Inc. Utilities $15.46B $23.12B
25 EVRG Evergy, Inc. Utilities $13.04B $18.97B
26 AWK American Water Works Company, Inc. Utilities $12.78B $25.70B
27 LNT Alliant Energy Corporation Utilities $10.95B $18.81B
28 PNW Pinnacle West Capital Corporation Utilities $9.21B $12.59B
29 ATO Atmos Energy Corporation Utilities $8.91B $30.86B
30 WTRG Essential Utilities, Inc. Utilities $8.11B $11.05B
31 CWEN Clearway Energy, Inc. Utilities $7.90B $4.73B
32 CEG Constellation Energy Corporation Utilities $7.25B $107.32B
33 TLN Talen Energy Corporation Utilities $6.78B $16.59B
34 UGI UGI Corporation Utilities $6.53B $7.89B
35 AQN Algonquin Power & Utilities Corp. Utilities $6.17B $4.90B
36 XIFR XPLR Infrastructure, LP Utilities $5.44B $0.96B
37 OGE OGE Energy Corp. Utilities $5.37B $9.94B
38 TXNM TXNM Energy, Inc. Utilities $5.12B $6.42B
39 BKH Black Hills Corporation Utilities $4.70B $5.79B
40 POR Portland General Electric Company Utilities $4.66B $6.07B
41 BIP Brookfield Infrastructure Partners L.P. Utilities $3.97B $16.89B
42 SWX Southwest Gas Holdings, Inc. Utilities $3.43B $6.58B
43 SR Spire Inc. Utilities $3.37B $5.46B
44 IDA IDACORP, Inc. Utilities $3.33B $8.20B
45 NJR New Jersey Resources Corporation Utilities $3.25B $5.62B
46 NWE NorthWestern Energy Group, Inc. Utilities $3.18B $4.46B
47 ORA Ormat Technologies, Inc. Utilities $2.66B $6.95B
48 MDU MDU Resources Group, Inc. Utilities $2.53B $4.45B
49 OGS ONE Gas, Inc. Utilities $2.36B $5.58B
50 HE Hawaiian Electric Industries, Inc. Utilities $2.29B $2.73B
51 NWN Northwest Natural Holding Company Utilities $2.27B $2.25B
52 HTO H2O America Utilities $1.87B $2.43B
53 ALE ALLETE, Inc. Utilities $1.70B $3.94B
54 CWT California Water Service Group Utilities $1.47B $2.69B
55 CPK Chesapeake Utilities Corporation Utilities $1.33B $3.04B
56 SPH Suburban Propane Partners, L.P. Utilities $1.21B $1.25B
57 MGEE MGE Energy, Inc. Utilities $0.79B $2.85B
58 AWR American States Water Company Utilities $0.78B $2.98B
59 CTRI Centuri Holdings, Inc. Utilities $0.71B $3.40B
60 UTL Unitil Corporation Utilities $0.63B $0.97B
61 MSEX Middlesex Water Company Utilities $0.38B $0.95B
62 ENLT Enlight Renewable Energy Ltd Utilities $0.23B $11.40B
63 RNW ReNew Energy Global Plc Utilities $0.10B $1.82B
64 NRGV Energy Vault Holdings, Inc. Utilities $0.04B $0.62B
65 KEN Kenon Holdings Ltd. Utilities $0.01B $4.32B
66 CWCO Consolidated Water Co. Ltd. Utilities $0.00B $0.52B

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.