BLACK HILLS CORP /SD/ — Investor Relations & Filings
Filings indexed
1,835
across all filing types
Latest filing
2026-05-19
Regulatory Filings
Country
US
United States of America
Listing
US
BKH
Black Hills Corp. is a growth-oriented, vertically integrated energy company that operates as a regulated utility. The company's core business involves the generation, transmission, and distribution of electricity, as well as the transmission and distribution of natural gas. It serves approximately 1.35 million residential and commercial customers across a multi-state service area that includes Arkansas, Colorado, Iowa, Kansas, Montana, Nebraska, South Dakota, and Wyoming. The company's stated mission is to 'improve life with energy.' In a significant strategic development, Black Hills Corp. has announced an all-stock merger agreement with NorthWestern Energy to form an expanded regional utility company.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 424B5 | 2026-05-19 | English | |
| S-3ASR | 2026-05-19 | English | |
| 8-K | 2026-05-15 | English | |
| 10-Q - BLACK HILLS CORP /SD/ (0001130464) (Filer) | 2026-05-07 | English | |
| 8-K - BLACK HILLS CORP /SD/ (0001130464) (Filer) | 2026-05-06 | English | |
| 8-K - BLACK HILLS CORP /SD/ (0001130464) (Filer) | 2026-02-19 | English |
Browse filings by year
17 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
15 filings
| |||||
| 46535995 | 424B5 | 2026-05-19 | English | ||
| 46534357 | S-3ASR | 2026-05-19 | English | ||
| 46362326 | 8-K | 2026-05-15 | English | ||
| 43151402 | 10-Q - BLACK HILLS CORP /SD/ (0001130464) (Filer) | 2026-05-07 | English | ||
| 42018800 | 8-K - BLACK HILLS CORP /SD/ (0001130464) (Filer) | 2026-05-06 | English | ||
| 32888111 | 8-K - BLACK HILLS CORP /SD/ (0001130464) (Filer) | 2026-02-19 | English | ||
| 32888110 | 4 - BLACK HILLS CORP /SD/ (0001130464) (Filer) | 2026-02-19 | English | ||
| 28059897 | 4 Filing | 2026-02-13 | English | ||
| 28059781 | 4 Filing | 2026-02-13 | English | ||
| 28058085 | 4 Filing | 2026-02-13 | English | ||
| 28059598 | 10-K Filing | 2026-02-11 | English | ||
| 28060169 | 4 Filing | 2026-02-10 | English | ||
| 28060044 | 4 Filing | 2026-02-10 | English | ||
| 28060008 | 4 Filing | 2026-02-10 | English | ||
| 28059729 | 4 Filing | 2026-02-10 | English | ||
Market data
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Peer group · Electric power transmission and distribution activities
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
Dala Energi AB
A regional provider of electricity, heating, and fiber opti…
|
DE | SE | Electricity, gas, steam and air… |
|
Desarrolladora Energética S.A.
A company focused on the development of energy projects and…
|
DESA | ES | Electricity, gas, steam and air… |
|
Distribuzione Elettrica Adriatica S.p.A.
Manages low/medium voltage grids, supplies power, and conne…
|
DEA | IT | Electricity, gas, steam and air… |
|
DPSC Limited
Integrated power utility managing generation, transmission,…
|
DPSCLTD | IN | Electricity, gas, steam and air… |
|
DTE ENERGY CO
A diversified energy company providing electricity and natu…
|
DTE | US | Electricity, gas, steam and air… |
|
Dubai Electricity & Water Authority PJSC
Public service infrastructure company generating, transmitt…
|
DEWA | AE | Electricity, gas, steam and air… |
|
Duke Energy CORP
An energy holding company that generates and distributes el…
|
DUK | US | Electricity, gas, steam and air… |
|
EDENOR
Major electricity distributor serving approximately nine mi…
|
EDN | US | Electricity, gas, steam and air… |
|
Edesa Holding S.A.
Generates, distributes, and markets electricity to customer…
|
— | AR | Electricity, gas, steam and air… |
|
Edesal Holding S.A.
Investment holding company focused on the sub-transport and…
|
— | AR | Electricity, gas, steam and air… |
BLACK HILLS CORP /SD/ 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/31112/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=31112 | 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=31112 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
Full reference: API reference · OpenAPI schema
cURL
$ curl https://api.financialreports.eu/api/filings/?company=31112 \ -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": 31112}, 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 BLACK HILLS CORP /SD/ (id: 31112)"
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