Risk Sleuth
BKH · 10-K filed 11 Feb 2026 · year to 31 Dec 2025

Black Hills

28 named things its latest annual report says its results depend on, each in the company's own words. 20 of them are also named by other companies we've read.

Customers

Data center customers

earns fromnamed as a risk
The rapid growth of data centers may make it more difficult to accurately forecast load demand or to recover additional costs.Risk factors (Item 1A)

Also named by AES, WEC

Partners and platforms

Common Use System

depends on · $190.2 million in 2025 rate base
We also jointly operate an electric transmission system, referred to as the Common Use System, with Basin Electric Power Cooperative and Powder River Energy Corporation.Business (Item 1)

Other companies

NorthWestern Energy Group

$100 millionnamed as a risk
BHC and NorthWestern entered into an all-stock business combination on August 18, 2025.Business (Item 1)

Places

Colorado

operates in · 102,152named as a risk
At the local or state level, such as in Colorado, new or more stringent regulations could require us to incur significant additional costs relating to the acceleration of capital expenditures, the purchase of additional emissions allowances or offsets, the acquisition or development of additional energy supply from renewable resources and potential decreased production from our combined cycle natural gas-fired generating units.Risk factors (Item 1A)

Also named by AN, BBSI, CVX, DMLP, ENSG, FPI, MLM, PLTR and 4 more

Powder River Basin

concentrated in · approximately 3.3 million tons of coal in 2025
We surface mine, process and sell low-sulfur sub-bituminous coal at our mine located immediately adjacent to our Gillette Energy Complex in the Powder River Basin in northeastern Wyoming, where our five coal-fired power plants are located.Business (Item 1)

Also named by BTU, DVN, EVRG, OKE, UNP, WES

Nebraska

operates in · 306,452
Black Hills Energy Services provides natural gas supply to approximately 48,000 retail distribution customers under the Choice Gas Program in Nebraska and Wyoming.Business (Item 1)

Also named by GPRE, LNN

Wyoming

operates in
Recent legislation by the states of Wyoming and Montana provide material liability protections for a utility that complies with its commission-approved wildfire mitigation plan.Risk factors (Item 1A)

Also named by AEE, GBCI, WEC

Hazards

Wildfire

named as a risk
Despite our wildfire mitigation initiatives, we could ignite a wildfire, which could spread and cause damages and would subject us to significant liability.Risk factors (Item 1A)

Also named by A, AEP, ARE, CB, CRC, EVRG, MDU, PNW and 2 more

Winter Storm Uri

named as a risk
Severe weather events, such as snow and ice storms (e.g., Winter Storm Uri), wildfires, and strong winds could impact our operations, including our ability to provide energy safely, reliably, and profitably and our ability to complete construction, expansion, or refurbishment of facilities as planned.Risk factors (Item 1A)

Also named by AESI, VST

Commodities and inputs

Natural gas

exposed to its price · 29.3%named as a risk
Our operations could be negatively impacted by the lack of availability and cost of natural gas, and disruptions in the delivery of natural gas due to various factors, including but not limited to, transportation delays, labor relations, weather, sabotage, cyber-attacks, and environmental regulations;Risk factors (Item 1A)

Also named by AA, ADM, AEE, AEP, AES, AESI, AGX, ALB and 132 more

Coal

depends on · 25.5%
The mine provides low-sulfur coal directly to these five power plants via a conveyor belt system, minimizing transportation costs.Business (Item 1)

Also named by AA, AEE, AEP, AES, ARLP, BRK/B, CNP, CSX and 19 more

Transformers

depends onnamed as a risk
Unanticipated price increases due to recent macroeconomic factors, such as imposition of tariffs, inflation, including wage inflation, or rising demand for key materials such as transformers, generation units and equipment to meet the rapid pace of expansion with prospective and existing data center customers; andRisk factors (Item 1A)

Also named by CNP, ED

Regulators

Federal Energy Regulatory Commission (FERC)

subject tonamed as a risk
The Federal Power Act gives FERC exclusive rate-making jurisdiction over wholesale sales of electricity and the transmission of electricity in interstate commerce.Business (Item 1)

Also named by AA, AEE, AEP, AM, AMRC, AR, ARES, ATO and 62 more

Pipeline and Hazardous Materials Safety Administration (PHMSA)

subject tonamed as a risk
If we fail to comply with applicable statutes and the PHMSA Office of Pipeline Safety’s rules and related regulations and orders, we could be subject to significant penalties and fines.Business (Item 1)

Also named by AM, ATO, CHRD, CNX, CP, CRC, CRGY, CSX and 29 more

Transportation Security Administration (TSA)

subject tonamed as a risk
In recent years, the TSA issued security directives that included several new cybersecurity requirements for critical pipeline owners and operators.Risk factors (Item 1A)

Also named by ALK, CHRW, CP, CSX, DAL, EXC, EXPD, FDX and 13 more

North American Electric Reliability Corporation (NERC)

subject tonamed as a risk
Entities that violate standards can be subject to fines and can also be assessed non-monetary penalties, depending upon the nature and severity of the violation.Business (Item 1)

Also named by DUK, EIX, EVRG, EXC, FE, HASI, MDU, NEE and 5 more

South Dakota Public Utilities Commission (SDPUC)

subject tonamed as a risk
The transaction is intended to be tax-free and expected to close in the second half of 2026, subject to the satisfaction or waiver of certain closing conditions, including approvals from the FERC, MPSC, NPSC and SDPUC, clearance under the HSR Act, consent of the FCC, and approval from each company's shareholders.Business (Item 1)

Laws and programs

Internal Revenue Code Section 382

subject to · approximately $380.1 millionnamed as a risk
The completion of the Merger may cause BHC and/or NorthWestern to undergo an ownership change under Section 382, which would trigger a limitation (calculated as described above) on BHC's ability to utilize its and/or NorthWestern’s historic NOLs and other tax attributes.Risk factors (Item 1A)

Also named by AIG, CHRD, EXE, IONQ, PVLA, VRNS

Production Tax Credits (IRC Section 45)

subject to · $30/MWhnamed as a risk
These factors could significantly reduce the PTCs produced by our wind farms, resulting in increased federal income tax expense.Risk factors (Item 1A)

Also named by LNT, MDU, WEC

Choice Gas Program

earns from · approximately 48,000 retail distribution customersnamed as a risk
For Black Hills Energy Services under the Choice Gas Program, and in certain instances within our regulated Utilities where unrealized and realized gains and losses from derivative instruments are not approved for regulatory accounting treatment, fluctuating commodity prices may cause fluctuations in reported financial results due to mark-to-market accounting treatment.Risk factors (Item 1A)

One Big Beautiful Bill Act (OBBBA)

subject tonamed as a risk
The OBBBA, enacted in July 2025, does not repeal tax credit transferability provisions enacted under the IRA and continues to permit the execution of our transferability agreements as originally agreed upon, but restricts credit transfers to prohibited foreign entities.Risk factors (Item 1A)

Also named by AA, ABR, ADI, ADM, ALB, AMAT, AMGN, AMKR and 121 more

Inflation Reduction Act of 2022

subject tonamed as a risk
Our inability to generate, transfer, or sell these credits could have a material impact on our financial condition, results of operations and cash flows.Risk factors (Item 1A)

Also named by ABBV, APD, ARE, DD, DHR, ELV, ENPH, ENS and 30 more

Hart-Scott-Rodino Act

subject tonamed as a risk
BHC and NorthWestern will be unable to complete the Merger until the waiting period under the HSR Act has expired or been terminated and the required governmental approvals have been received.Risk factors (Item 1A)

Also named by ROP, SYY

Municipal franchise agreements

subject tonamed as a risk
Municipal governments within our utility service territories possess the power of condemnation and could establish a municipal utility within a portion of our current service territories by limiting or denying franchise privileges for our operations and exercising powers of condemnation over all or part of our utility assets within municipal boundaries.Risk factors (Item 1A)

Also named by ATO

Clean Power Plan 2.0

subject tonamed as a risk
Clean Power Plan 2.0 requirements, which established GHG control requirements for existing coal and natural gas fired generation beginning January 1, 2030, are currently in effect as the U.S. Supreme Court denied a motion to stay them.Business (Item 1)

Colorado Clean Energy Plan

named as a risk
In addition, we have significant capital investment programs planned for the next five years that are key to our strategic business plan, such as: our Lange II project; the acquisition of a battery storage facility as part of our Colorado Clean Energy Plan; large-scale investments to upgrade existing utility infrastructure; support of customer and community growth needs; and compliance with safety requirements.Risk factors (Item 1A)

Gas Cost Adjustment (GCA) mechanisms

subject tonamed as a risk
If state regulatory commissions decide to discontinue these tariff-based adjustment mechanisms, or there are delays in the timing of recovery under these mechanisms, we may be more exposed to commodity price risk.Market risk (Item 7A)

Electrification initiatives

named as a risk
Additional rules and regulations associated with electrification initiatives could negatively impact demand for natural gas and limit our capital investments in natural gas assets.Risk factors (Item 1A)