Biggest CapEx Utilities Stocks
Top utilities companies ranked by capital expenditures, latest annual filings.
What Capital Expenditures Mean for Utilities Companies
Capital expenditures sit at the heart of the utilities business model. Approved capex goes into the rate base, and the utility earns its authorized return on that invested capital, which means every dollar of approved investment is designed to earn a regulated return over its depreciable life. Capex is therefore the primary engine of earnings growth in the sector rather than a drain on cash available to shareholders.
Why Capital Expenditures Matter
Investments in grid modernization, renewable generation, transmission, and hardening against extreme weather expand the rate base and, assuming timely regulatory recovery, grow earnings. Still, capital projects disallowed by regulators, delayed by permitting, or stranded by technology shifts can tie up investment without producing the authorized returns they were planned to earn. The regulatory environment quality of each jurisdiction shapes whether capex translates cleanly into future profit.
What to Read Alongside
Pair capex with Free Cash Flow to see cash after heavy investment, Net Income for the profit the rate base supports, and Long-term Debt because large utility capex programs are substantially debt-financed.
| # | Symbol | Company | Sector | ||
|---|---|---|---|---|---|
| 1 | DUK | Duke Energy Corporation | Utilities | $14.02B | $96.61B |
| 2 | SO | The Southern Company | Utilities | $12.74B | $106.87B |
| 3 | PCG | PG&E Corporation | Utilities | $11.79B | $37.44B |
| 4 | XEL | Xcel Energy Inc. | Utilities | $10.91B | $48.08B |
| 5 | SRE | Sempra | Utilities | $10.61B | $55.14B |
| 6 | EXC | Exelon Corporation | Utilities | $8.53B | $46.69B |
| 7 | ETR | Entergy Corporation | Utilities | $7.68B | $49.69B |
| 8 | BEP | Brookfield Renewable Partners L.P. | Utilities | $6.59B | $9.82B |
| 9 | EIX | Edison International | Utilities | $6.51B | $25.87B |
| 10 | BIP | Brookfield Infrastructure Partners L.P. Limited Partnership Units | Utilities | $6.02B | $17.92B |
| 11 | AES | The AES Corporation | Utilities | $5.93B | $10.49B |
| 12 | CNP | CenterPoint Energy, Inc. | Utilities | $4.87B | $26.79B |
| 13 | FE | FirstEnergy Corp. | Utilities | $4.71B | $27.41B |
| 14 | ES | Eversource Energy | Utilities | $4.16B | $27.10B |
| 15 | AEE | Ameren Corporation | Utilities | $4.13B | $29.97B |
| 16 | PPL | PPL Corporation | Utilities | $4.03B | $26.05B |
| 17 | ATO | Atmos Energy Corporation | Utilities | $3.56B | $29.06B |
| 18 | AEP | American Electric Power Company, Inc. | Utilities | $3.45B | $68.19B |
| 19 | PEG | Public Service Enterprise Group Incorporated | Utilities | $3.27B | $37.40B |
| 20 | AWK | American Water Works Company, Inc | Utilities | $3.13B | $26.79B |
| 21 | WTRG | Essential Utilities, Inc. | Utilities | $3.13B | $11.32B |
| 22 | CEG | Constellation Energy Corporation | Utilities | $2.95B | $93.24B |
| 23 | EVRG | Evergy, Inc. | Utilities | $2.80B | $19.14B |
| 24 | NI | NiSource Inc. | Utilities | $2.78B | $20.80B |
| 25 | VST | Vistra Corp. | Utilities | $2.75B | $47.67B |
| 26 | PNW | Pinnacle West Capital Corporation | Utilities | $2.62B | $12.22B |
| 27 | ENLT | Enlight Renewable Energy Ltd | Utilities | $1.81B | $11.80B |
| 28 | BIPC | Brookfield Infrastructure Corporation | Utilities | $1.61B | $4.87B |
| 29 | TXNM | TXNM Energy, Inc. | Utilities | $1.20B | $5.92B |
| 30 | POR | Portland General Electric Company | Utilities | $1.19B | $5.71B |
| 31 | IDA | IDACORP, Inc. | Utilities | $1.18B | $8.15B |
| 32 | NRG | NRG Energy, Inc. | Utilities | $1.15B | $25.03B |
| 33 | BEPC | Brookfield Renewable Corporation | Utilities | $1.14B | $6.19B |
| 34 | OGE | OGE Energy Corp. | Utilities | $1.05B | $9.67B |
| 35 | XIFR | XPLR Infrastructure, LP | Utilities | $0.96B | $1.08B |
| 36 | SR | Spire Inc. | Utilities | $0.92B | $4.78B |
| 37 | UGI | UGI Corporation | Utilities | $0.84B | $7.35B |
| 38 | BKH | Black Hills Corporation | Utilities | $0.82B | $5.54B |
| 39 | SWX | Southwest Gas Holdings, Inc. | Utilities | $0.81B | $6.69B |
| 40 | AQN | Algonquin Power & Utilities Corp. | Utilities | $0.77B | $4.43B |
| 41 | MDU | MDU Resources Group, Inc. | Utilities | $0.77B | $4.34B |
| 42 | OGS | ONE GAS, INC. | Utilities | $0.71B | $5.00B |
| 43 | ORA | Ormat Technologies, Inc. | Utilities | $0.62B | $6.60B |
| 44 | AVA | Avista Corporation | Utilities | $0.57B | $3.22B |
| 45 | NWE | NorthWestern Energy Group, Inc. | Utilities | $0.52B | $4.32B |
| 46 | NWN | Northwest Natural Holding Company | Utilities | $0.47B | $2.14B |
| 47 | ENIC | Enel Chile S.A. | Utilities | $0.46B | $6.32B |
| 48 | CPK | Chesapeake Utilities Corporation | Utilities | $0.45B | $3.20B |
| 49 | ALE | ALLETE, Inc. | Utilities | $0.35B | $3.94B |
| 50 | MGEE | MGE Energy, Inc. | Utilities | $0.34B | $3.05B |
| 51 | HE | Hawaiian Electric Industries, Inc. | Utilities | $0.34B | $2.16B |
| 52 | CWEN | Clearway Energy, Inc. | Utilities | $0.32B | $6.74B |
| 53 | AWR | American States Water Company | Utilities | $0.24B | $3.40B |
| 54 | UTL | Unitil Corporation | Utilities | $0.19B | $0.98B |
| 55 | KEN | KENON HOLDINGS LTD. | Utilities | $0.12B | $3.41B |
| 56 | TLN | Talen Energy Corporation | Utilities | $0.10B | $16.21B |
| 57 | CTRI | Centuri Holdings, Inc. | Utilities | $0.09B | $2.26B |
| 58 | SPH | Suburban Propane Partners, L.P. | Utilities | $0.07B | $1.18B |
| 59 | HNRG | Hallador Energy Company | Utilities | $0.07B | $0.70B |
| 60 | NRGV | Energy Vault Holdings, Inc. | Utilities | $0.04B | $0.54B |
| 61 | OKLO | Oklo Inc. | Utilities | $0.03B | $7.34B |
| 62 | FLNC | Fluence Energy, Inc. | Utilities | $0.01B | $2.44B |
| 63 | IMSR | Terrestrial Energy Inc. | Utilities | $0.00B | $0.57B |
No companies match this search.
How this ranking is built
Companies are ranked by capital expenditures 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.