Who owns Wisconsin Gas?
Wisconsin Gas is owned by WEC Energy Group (the United States, NYSE: WEC).[1]
Evidence: WEC Energy Group, Inc. Annual Report on Form 10-K filed 2026-02-20, SEC EDGAR, 20 February 2026. Verified from filings; last checked .
Key facts
- Current owner
- WEC Energy Group, Inc. verified
- Owner HQ
- 🇺🇸 United States
- Origin
- 🇺🇸 United States
- Category
- Energy › Power & utilities › Gas utilities
- Parent ticker
- NYSE: WEC
- Last verified
- · 1 sources
About Wisconsin Gas
Wisconsin Gas is one of the natural gas utilities named in WEC Energy Group's 2025 10-K.
What WEC Energy Group's annual report says about Wisconsin Gas
Sentences about Wisconsin Gas from WEC Energy Group's latest annual filing[1], copied word for word.
Wisconsin Gas LLC In September 2025, WG issued $ 175.0 million of 4.70 % Debentures, due October 1, 2030, and $ 125.0 million of 5.39 % Debentures, due October 1, 2035, and used the net proceeds to repay $ 200.0 million of WG's 3.53 % Debentures that matured on September 30, 2025, and to repay short-term debt and for other general limited liability company purposes.
How often WEC Energy Group names Wisconsin Gas in its annual report
A plain count of the times the name appears in the text of each annual report, not counting the start of a sentence. A brand that an owner writes about more is usually one it treats as central.
Ownership timeline of Wisconsin Gas
- Current owner WEC Energy Group [1] verified
Where Wisconsin Gas sits in WEC Energy Group
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full WEC Energy Group ownership tree →
See the full WEC Energy Group brand portfolio (5) →
Other brands owned by WEC Energy Group
WEC Energy Group controls 5 brands on Brandtree, 5 of them in energy.
Also in energy
Other brands in gas utilities, and who owns them
The 14 brands in gas utilities on Brandtree belong to 11 owners. The largest is ONE Gas, with 3.
| Brand | Owner | Owner based in |
|---|---|---|
| Kansas Gas Service | ONE Gas | 🇺🇸 United States |
| Atlanta Gas Light | Southern Company | 🇺🇸 United States |
| Comgás | Cosan | 🇧🇷 Brazil |
| Enbridge Gas Ontario | Enbridge | 🇨🇦 Canada |
| FortisBC | Fortis | 🇨🇦 Canada |
| Daigas Energy | Osaka Gas | 🇯🇵 Japan |
| Agway Energy Services | Suburban Propane | 🇺🇸 United States |
| Towngas | Towngas | 🇭🇰 Hong Kong |
About the owner: WEC Energy Group
WEC Energy Group is a publicly listed company headquartered in United States. Brandtree records 5 brands under its control, and it is listed as NYSE: WEC.
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.
WEC Energy Group: full profile, brands and acquisition history →
🇺🇸 Wisconsin Gas and other American brands
Brandtree records a controlling owner for 2,399 brands that began in the United States. 461 of them (19%) are now controlled by a company headquartered in another country; Wisconsin Gas is not one of them.
- AES Ohio — AES 🇺🇸
- Agway Energy Services — Suburban Propane 🇺🇸
- Alabama Power — Southern Company 🇺🇸
- AmeriGas — UGI 🇺🇸
- Arch Resources — Core Natural Resources 🇺🇸
- Aris Water Solutions — Western Midstream 🇺🇸
Frequently asked questions
Who is the parent company of Wisconsin Gas?
The parent company of Wisconsin Gas is WEC Energy Group, a publicly listed company headquartered in the United States.
Is Wisconsin Gas American?
Yes. Wisconsin Gas originated in the United States and its owner, WEC Energy Group, is also headquartered in the United States.
Is Wisconsin Gas still owned by WEC Energy Group?
Yes. As of 10 October 2026, Wisconsin Gas is still owned by WEC Energy Group. The ownership record was last checked against primary sources on that date.
Sources (1) & 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.
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