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 |
|---|---|---|---|
|
ORES
Manages international sales of Spanish charcuterie and adap…
|
YORE | ES | Electricity, gas, steam and air… |
|
Otter Tail Corp
A holding company with an electric utility and manufacturin…
|
OTTR | US | Electricity, gas, steam and air… |
|
PERUSAHAAN PERSEROAN(PERSERO)PT PERUSAHAAN LISTRIK NEGARA
Operates as an integrated utility specializing in electrici…
|
5Q6B | ID | Electricity, gas, steam and air… |
|
PESTEC INTERNATIONAL BERHAD
Provides comprehensive solutions for HV/EHV electrical syst…
|
— | MY | Electricity, gas, steam and air… |
|
PG&E Corp
A utility providing natural gas and electric services in no…
|
PCG | US | Electricity, gas, steam and air… |
|
PGE Polska Grupa Energetyczna S.A.
Vertically integrated utility generating, distributing, and…
|
PGE | PL | Electricity, gas, steam and air… |
|
PINNACLE WEST CAPITAL CORP
Investor-owned electric utility holding company serving 1.4…
|
PNW | US | Electricity, gas, steam and air… |
|
POD POINT GROUP HOLDINGS PLC
Provider of electric vehicle charging solutions for home, w…
|
PODP | GB | Electricity, gas, steam and air… |
|
PORTLAND GENERAL ELECTRIC CO /OR/
A vertically integrated electric utility serving residentia…
|
POR | US | Electricity, gas, steam and air… |
|
Power Assets Holdings Limited
Global investment holding company specializing in energy an…
|
6 | HK | 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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