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
Market data not available
Last price
Market cap
volume
Day range
today
52-week range
trailing
Price history
Peer group · Electric power transmission and distribution activities
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
Fingrid Oyj
Operates, maintains, and develops the nationwide high-volta…
|
32BX | FI | Electricity, gas, steam and air… |
|
FIRSTENERGY CORP
Generates, transmits, and distributes electricity to approx…
|
FE | US | Electricity, gas, steam and air… |
|
Fortis Inc.
A holding company focused on the regulated electric and gas…
|
FTS | CA | Electricity, gas, steam and air… |
|
Genertech Pakistan Limited
Provides electric services, generating, distributing, and s…
|
GENP | PK | Electricity, gas, steam and air… |
|
Genie Energy Ltd.
A retail energy and renewable solutions provider offering s…
|
GNE | US | Electricity, gas, steam and air… |
|
GEORGIA POWER CO
An electric utility that generates and distributes power to…
|
GPJA | US | Electricity, gas, steam and air… |
|
Global Interconnection Group
Invests in, services, and supplies interconnector cables an…
|
CABLE | GG | Electricity, gas, steam and air… |
|
GORE STREET ENERGY STORAGE FUND PLC
Manages an international portfolio of utility-scale energy …
|
GSF | GB | Electricity, gas, steam and air… |
|
GRESHAM HOUSE ENERGY STORAGE FUND PLC
Investment company that owns and operates utility-scale bat…
|
GRID | GB | Electricity, gas, steam and air… |
|
GRUPO ENERGIA BOGOTA S.A. E.S.P.
Operates and invests in energy infrastructure and utilities…
|
1L9B | SG | 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)"
Report missing filing
Can't find a specific document? Let us know and we'll add it within 24 hours.
We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.