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BLACK HILLS CORP /SD/

For the period ended Dec 31, 2025. Filed Feb 11, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 11, 2026

BKH$87.04+0.8%Stored close · as of Nov 10, 2026

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Contents

Consolidated Statements of Comprehensive Income

Year ended
December 31, 2025December 31, 2024December 31, 2023
(in millions)
Net income$299.8$283.7$276.0
Other comprehensive income (loss), net of tax:
Benefit plan liability adjustments - net gain (loss) (net of tax of $0, $(0.2), and $0, respectively)—0.8(0.3)
Reclassification adjustment of benefit plan liability - net loss (net of tax of $0.2, $(0.1), and $0, respectively)(0.6)0.10.2
Derivative instruments designated as cash flow hedges:
Reclassification of net realized (gains) losses on settled/amortized interest rate swaps (net of tax of $(0.7), $(0.6), and $(0.7), respectively)2.22.32.2
Net unrealized gains (losses) on commodity derivatives (net of tax of $0.7, $0.1, and $1.1, respectively)(2.7)(0.5)(3.6)
Reclassification of net realized (gains) losses on settled commodity derivatives (net of tax of $(0.2), $(0.8), and $(0.7), respectively)0.82.72.3
Other comprehensive income (loss), net of tax(0.3)5.40.8
Comprehensive income299.5289.1276.8
Less: comprehensive income attributable to non-controlling interest(8.2)(10.6)(13.8)
Comprehensive income available for common stock$291.3$278.5$263.0

See Note 11 for additional disclosures related to Comprehensive Income.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.