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 |
|---|---|---|---|
|
SaratovEnergo ao
An energy company that generates, transmits, and distribute…
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SARE | RU | Electricity, gas, steam and air… |
|
SARAWAK ENERGY BERHAD
Vertically integrated utility generating, transmitting, dis…
|
— | MY | Electricity, gas, steam and air… |
|
Saudi Energy Co.
Manages energy infrastructure, power generation, and renewa…
|
5110 | SA | Electricity, gas, steam and air… |
|
SGSP (AUSTRALIA) ASSETS PTY LTD
An energy infrastructure and utility services provider oper…
|
11LB | CN | Electricity, gas, steam and air… |
|
Shikoku Electric Power Company, Incorporated
An electric utility providing stable power and developing r…
|
9507 | JP | Electricity, gas, steam and air… |
|
Sichuan Energy Investment Development Co., Ltd.
Vertically integrated power supplier focused on generation,…
|
1713 | HK | Electricity, gas, steam and air… |
|
SICHUAN GUANGAN AAA PUBLIC CO.,LTD .
Integrated provider of electricity, water, and natural gas …
|
600979 | CN | Electricity, gas, steam and air… |
|
Sichuan Mingxing Electric Power Co.,Ltd.
Regional provider of electricity and water services, engine…
|
600101 | CN | Electricity, gas, steam and air… |
|
Sichuan Xichang Electric Power Co.,Ltd.
Regional utility providing hydropower generation, transmiss…
|
600505 | CN | Electricity, gas, steam and air… |
|
SISTEMA DE TRANSMISION DEL SUR S.A.
Provides electricity transmission services, managing high-v…
|
— | 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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