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 |
|---|---|---|---|
|
IndiGrid Infrastructure Trust
Publicly listed power sector InvIT, owning and operating tr…
|
INDIGRID | IN | Electricity, gas, steam and air… |
|
INVERSIONES ELECTRICAS DEL SUR S.A.
Holding company investing in electric power generation, tra…
|
— | CL | Electricity, gas, steam and air… |
|
Inversora Electrica de Buenos Aires S.A.
A holding company primarily engaged in electric power distr…
|
— | AR | Electricity, gas, steam and air… |
|
Iren
A multi-utility company providing energy, water, and enviro…
|
IRD | IT | Electricity, gas, steam and air… |
|
ISA ENERGIA BRASIL S.A.
Private electric power transmission company managing high-v…
|
— | BR | Electricity, gas, steam and air… |
|
JATI TINGGI GROUP BERHAD
Infrastructure utilities engineering solutions for electric…
|
— | MY | Electricity, gas, steam and air… |
|
Jersey Electricity PLC
A vertically integrated power utility supplying low-carbon …
|
JEL | JE | Electricity, gas, steam and air… |
|
JP Elektroprivreda BiH d.d. Sarajevo
Electric utility engaged in power generation, distribution,…
|
JPES | BA | Electricity, gas, steam and air… |
|
JP Elektroprivreda HZHB Mostar
Electric utility generating and distributing power from ren…
|
JPEMR | BA | Electricity, gas, steam and air… |
|
Kamchatskenergo
Generates, transmits, and distributes electric and thermal …
|
KCHE | RU | 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)"
Report missing filing
Can't find a specific document? Let us know and we'll add it within 24 hours.