SISTEMA DE TRANSMISION DEL SUR S.A. — Investor Relations & Filings
SISTEMA DE TRANSMISION DEL SUR S.A. (STS) specializes in electricity transmission services. As a subsidiary of Grupo Saesa, STS is responsible for the construction, operation, maintenance, and management of power transmission facilities, including high-voltage lines. The company provides essential transmission infrastructure to electricity generators. STS is also involved in innovative projects, such as the implementation of Battery Energy Storage Systems (BESS) within its transmission network.
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Peer group · Electric power transmission and distribution activities
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ADANI ELECTRICITY MUMBAI LIMITED
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Adani Energy Solutions Limited
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ADANI TRANSMISSION LIMITED
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Admie (IPTO) Holding S.A.
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AES CORP
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AFLUENTE TRANSMISSÃO DE ENERGIA ELETRICA S/A
Manages over 6,000 km of high-voltage power transmission in…
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ALFA TRANSMISORA DE ENERGIA S.A.
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ALLETE INC
An energy company with regulated utilities and investments …
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SISTEMA DE TRANSMISION DEL SUR S.A. 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/70121/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=70121 | 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=70121 | 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=70121 \ -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": 70121}, 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 SISTEMA DE TRANSMISION DEL SUR S.A. (id: 70121)"
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