CMS ENERGY CORP — Investor Relations & Filings
CMS Energy Corporation is an energy company operating primarily through its principal subsidiary, Consumers Energy, Michigan's largest combined electric and natural gas utility. Consumers Energy serves more than 6 million Michigan residents, providing electricity and natural gas services. The company's operations encompass the generation, purchase, transmission, distribution, and sale of energy. It produces power from a diverse portfolio of sources, including natural gas, coal, wind, solar, and hydroelectric power. A key strategic focus for the company is its clean energy plan, which includes goals to eliminate coal from its generation fleet and achieve net-zero methane emissions from its natural gas delivery system.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 8-K - CMS ENERGY CORP (0000811156) (Filer) | 2026-05-13 | English | |
| 424B5 - CMS ENERGY CORP (0000811156) (Filer) | 2026-05-13 | English | |
| Major Shareholding Notification 2026 | 2026-04-29 | English | |
| Major Shareholding Notification 2026 | 2026-04-29 | English | |
| 8-K - CMS ENERGY CORP (0000811156) (Filer) | 2026-04-28 | English | |
| DEFA14A | 2026-04-01 | English |
Browse filings by year
17 yearsMarket data
Market data not available
Price history
Peer group · Electric power transmission and distribution activities
| Company | Ticker | Country | Sector |
|---|---|---|---|
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AXIA ENERGIA NORDESTE S.A.
Operates power transmission concessions and renewable energ…
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AYEN ENERJİ A.Ş.
Generates, distributes, and trades electricity from hydro, …
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AYEN | TR | Electricity, gas, steam and air… |
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BKW AG
Plans, builds, and operates infrastructure for energy produ…
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BKW | CH | Electricity, gas, steam and air… |
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BLACK HILLS CORP /SD/
A regulated utility that generates and distributes electric…
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BKH | US | Electricity, gas, steam and air… |
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Blink Charging Co.
Owner, operator, and provider of EV charging equipment and …
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BLNK | US | Electricity, gas, steam and air… |
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BluGo S.A.
Manages a franchise network of charging points for electric…
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YOL | PL | Electricity, gas, steam and air… |
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Calibre Energy Inc.
Delivers comprehensive Battery Energy Storage Systems for u…
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CABE | CA | Electricity, gas, steam and air… |
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Canadian Utilities Limited
A diversified global energy infrastructure corporation deli…
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CU | CA | Electricity, gas, steam and air… |
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Caribbean Utilities Company, Ltd.
Sole public electric utility for generation, transmission, …
|
CUP.U | KY | Electricity, gas, steam and air… |
|
CELEO REDES OPERACION CHILE S.A.
Energy infrastructure company specializing in electricity t…
|
— | CL | Electricity, gas, steam and air… |
CMS ENERGY CORP via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/30260/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=30260 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=30260 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=30260 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 30260}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for CMS ENERGY CORP (id: 30260)"
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