WEC Energy Group: brands it owns and its ownership tree
WEC Energy Group (NYSE: WEC) is a publicly listed company headquartered in the United States that owns 5 consumer brands.[1][2]
WEC Energy Group's 2025 Form 10-K says it serves approximately 1.7 million electric and 3.0 million natural gas customers, owns approximately 60% of American Transmission Company (ATC), and owns majority interests in several renewable generating facilities in its non-utility energy infrastructure segment.
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Company facts
- Legal name
- WEC Energy Group, Inc.
- Type
- publicly listed company · see all publicly listed company owners
- Headquarters
- 🇺🇸 United States
- Tickers
- NYSE: WEC
- Revenue
- $9.8 billion (2025)[2]
- SEC CIK
- 0000783325
- Last verified
- · 2 sources
What WEC Energy Group's annual report says about its business
Read from WEC Energy Group's latest annual filing[1]. Each line gives the sentence the filing uses, copied word for word.
Segments the filing names
- Wisconsin:
The increase in cash paid for capital expenditures at the Wisconsin segment during 2025, compared with 2024, was driven by an increase in capital expenditures for the following: renewable energy projects at WE, WPS, and UMERC; CTs and an LNG facility at OCPP; WE's and WPS's electric distribution systems; and software to enhance productivity, collaboration, and overall efficiency across the company.
- Illinois:
The decrease in cash paid for capital expenditures at the Illinois segment during 2025, compared with 2024, was driven by lower payments related to PGL's upgrade of its natural gas delivery system.
- Non-utility energy infrastructure segment:
Non-utility energy infrastructure segment Consists of We Power, which is principally engaged in the ownership of electric power generating facilities for long-term lease to WE, and Bluewater, which owns underground natural gas storage facilities in Michigan.
- Wisconsin segment:
Our financial statements include the accounts of WEC Energy Group, a diversified energy holding company, and the accounts of our subsidiaries in the following reportable segments: Wisconsin segment Consists of WE, WPS, and WG, which are engaged primarily in the generation of electricity and the distribution of electricity and natural gas in Wisconsin;
- Illinois segment:
Illinois segment Consists of PGL and NSG, which are engaged primarily in the distribution of natural gas in Illinois.
- Other states segment:
Other states segment Consists of MERC and MGU, which are engaged primarily in the distribution of natural gas in Minnesota and Michigan, respectively.
- Electric transmission segment:
Electric transmission segment Consists of our approximate 60 % ownership interest in ATC, a for-profit, electric transmission company regulated by the FERC and certain state regulatory commissions, and our approximate 75 % ownership interest in ATC Holdco, which invests in transmission-related projects outside of ATC's traditional footprint.
- Corporate and other segment:
Corporate and other segment Consists of the WEC Energy Group holding company, the Integrys holding company, the PELLC holding company, Wispark, Wisvest, WECC, and WBS.
Acquisitions and disposals named in the filing
- Acquired: Integrys (June 29, 2015).
On June 29, 2015, we acquired 100% of the outstanding common shares of Integrys and changed our name to WEC Energy Group, Inc.
- Acquired: Samson I (February 2023), 80.0%.
Although Samson I was commercially operational in May 2022, WECI didn't complete the purchase of its initial 80.0% ownership interest in this solar facility until February 2023.
WEC Energy Group in numbers
- WEC Energy Group owns 5 consumer brands tracked here across 1 top-level categories; the largest is energy with 5 brands.[1]
WEC Energy Group financial history
Headline figures from WEC Energy Group's annual reports filed with the US Securities and Exchange Commission, in USD as reported, fiscal years ending 2020–2025. Revenue moved from $7.24bn to $9.8bn, an average of 6.2% a year (calculated).
| Fiscal year ended | Revenue | Operating income | Operating margin | Net income | Total assets | Long-term debt | Filing |
|---|---|---|---|---|---|---|---|
| $9.8bn | $2.24bn | 22.9% | — | $51.5bn | $18.5bn | 10-K | |
| $8.6bn | $2.15bn | 25.0% | — | $47.4bn | $17.2bn | 10-K | |
| $8.89bn | $1.91bn | 21.5% | — | $43.9bn | $15.4bn | 10-K | |
| $9.6bn | $1.92bn | 20.0% | — | $41.9bn | $14.7bn | 10-K | |
| $8.32bn | $1.71bn | 20.6% | — | $39bn | $13.5bn | 10-K | |
| $7.24bn | $1.71bn | 23.6% | — | $37bn | $11.7bn | 10-K |
Source: SEC XBRL company facts. A dash means the company did not report that line in a form we could read. Figures for a year can be restated in a later filing; the latest filing's number is shown.
Everything WEC Energy Group owns
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Full-screen interactive tree →
Brand portfolio by category
Full portfolio, 5 brands, with sources → · Competitors by shared categories →
Recent changes to this record
WEC Energy Group SEC filings
The documents behind the figures on this page, as listed in the SEC's EDGAR index. Each links to the filing itself.
Annual reports
- Annual report, filed (10-K)
- Annual report, filed (10-K)
- Annual report, filed (10-K)
- Annual report, filed (10-K)
- Annual report, filed (10-K)
- Annual report, filed (10-K)
Proxy statements
- Proxy statement, filed (DEF 14A)
- Proxy statement, filed (DEF 14A)
- Proxy statement, filed (DEF 14A)
Recent current and quarterly reports
| Filed | Form | What it declares |
|---|---|---|
| 8-K | Regulation FD disclosure | |
| 8-K | Entry into a material agreement | |
| 8-K | Departure or appointment of directors or officers | |
| 10-Q | Quarterly report | |
| 8-K | Regulation FD disclosure | |
| 8-K | Results of operations and financial condition | |
| 8-K | Regulation FD disclosure | |
| 8-K | Results of a shareholder vote | |
| 8-K | Regulation FD disclosure | |
| 8-K | Departure or appointment of directors or officers | |
| 10-Q | Quarterly report | |
| 8-K | Results of operations and financial condition | |
| 8-K | Regulation FD disclosure; Other events | |
| 8-K | Regulation FD disclosure |
Frequently asked questions
What brands does WEC Energy Group own?
WEC Energy Group owns 5 consumer brands tracked here, including American Transmission Company, Peoples Gas (Chicago), Wisconsin Electric Power Company, Wisconsin Public Service Corporation and Wisconsin Gas.
Is WEC Energy Group an American company?
Yes. WEC Energy Group is headquartered in the United States.
Who owns WEC Energy Group?
WEC Energy Group is a publicly listed company owned by its shareholders; it trades as WEC on the NYSE.
Sources (2) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] WEC Energy Group, Inc. Annual Report on Form 10-K filed 2026-02-20 — SEC EDGAR, SEC Form 10-K, published 20 February 2026; retrieved 5 October 2026.
- [2] WEC Energy Group, Inc.: Form 10-K for the year ended 2025-12-31 (revenue) — SEC EDGAR, SEC Form 10-K, published 20 February 2026; retrieved 5 October 2026.
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