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Side-by-side financial comparison of BLACK HILLS CORP (BKH) and IES Holdings, Inc. (IESC). Click either name above to swap in a different company.

IES Holdings, Inc. is the larger business by last-quarter revenue ($871.0M vs $622.7M, roughly 1.4× BLACK HILLS CORP). BLACK HILLS CORP runs the higher net margin — 16.8% vs 10.5%, a 6.3% gap on every dollar of revenue. On growth, IES Holdings, Inc. posted the faster year-over-year revenue change (16.2% vs 6.4%). IES Holdings, Inc. produced more free cash flow last quarter ($-18.9M vs $-101.5M). Over the past eight quarters, IES Holdings, Inc.'s revenue compounded faster (11.1% CAGR vs -6.8%).

Black Hills Corporation is an American diversified energy company that is an electric and gas utility in South Dakota, Montana, Wyoming, Colorado, Arkansas, Kansas, Nebraska, and Iowa. The company sells power throughout the American West. The company is based in Rapid City, South Dakota. It derives its name from its home in the Black Hills of South Dakota.

IES Holdings, Inc., formerly known as Integrated Electrical Services, Inc., designs and installs integrated electrical and technology systems and provides infrastructure products and services to a variety of end markets, including data centers, residential housing, and commercial and industrial facilities.

BKH vs IESC — Head-to-Head

Bigger by revenue
IESC
IESC
1.4× larger
IESC
$871.0M
$622.7M
BKH
Growing faster (revenue YoY)
IESC
IESC
+9.8% gap
IESC
16.2%
6.4%
BKH
Higher net margin
BKH
BKH
6.3% more per $
BKH
16.8%
10.5%
IESC
More free cash flow
IESC
IESC
$82.6M more FCF
IESC
$-18.9M
$-101.5M
BKH
Faster 2-yr revenue CAGR
IESC
IESC
Annualised
IESC
11.1%
-6.8%
BKH

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
BKH
BKH
IESC
IESC
Revenue
$622.7M
$871.0M
Net Profit
$104.9M
$91.8M
Gross Margin
25.3%
Operating Margin
27.5%
11.2%
Net Margin
16.8%
10.5%
Revenue YoY
6.4%
16.2%
Net Profit YoY
7.0%
59.1%
EPS (diluted)
$1.39
$4.51

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
BKH
BKH
IESC
IESC
Q4 25
$622.7M
$871.0M
Q3 25
$427.4M
$897.8M
Q2 25
$435.7M
$890.2M
Q1 25
$800.4M
$834.0M
Q4 24
$585.1M
$749.5M
Q3 24
$398.6M
$775.8M
Q2 24
$397.1M
$768.4M
Q1 24
$717.2M
$705.7M
Net Profit
BKH
BKH
IESC
IESC
Q4 25
$104.9M
$91.8M
Q3 25
$24.9M
$102.3M
Q2 25
$27.5M
$79.3M
Q1 25
$134.3M
$72.6M
Q4 24
$98.0M
$57.7M
Q3 24
$24.4M
$65.5M
Q2 24
$22.8M
$66.6M
Q1 24
$127.9M
$56.8M
Gross Margin
BKH
BKH
IESC
IESC
Q4 25
25.3%
Q3 25
26.0%
Q2 25
26.9%
Q1 25
25.0%
Q4 24
23.8%
Q3 24
24.0%
Q2 24
25.3%
Q1 24
24.3%
Operating Margin
BKH
BKH
IESC
IESC
Q4 25
27.5%
11.2%
Q3 25
18.4%
11.6%
Q2 25
18.9%
12.6%
Q1 25
25.6%
11.1%
Q4 24
27.9%
10.0%
Q3 24
19.0%
9.7%
Q2 24
17.8%
11.7%
Q1 24
27.0%
11.0%
Net Margin
BKH
BKH
IESC
IESC
Q4 25
16.8%
10.5%
Q3 25
5.8%
11.4%
Q2 25
6.3%
8.9%
Q1 25
16.8%
8.7%
Q4 24
16.7%
7.7%
Q3 24
6.1%
8.4%
Q2 24
5.7%
8.7%
Q1 24
17.8%
8.0%
EPS (diluted)
BKH
BKH
IESC
IESC
Q4 25
$1.39
$4.51
Q3 25
$0.34
$4.99
Q2 25
$0.38
$3.81
Q1 25
$1.87
$3.50
Q4 24
$1.36
$2.72
Q3 24
$0.35
$3.06
Q2 24
$0.33
$2.67
Q1 24
$1.87
$2.29

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
BKH
BKH
IESC
IESC
Cash + ST InvestmentsLiquidity on hand
$182.8M
$258.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$3.8B
$961.1M
Total Assets
$10.9B
$1.7B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BKH
BKH
IESC
IESC
Q4 25
$182.8M
$258.7M
Q3 25
$21.1M
$231.8M
Q2 25
$8.1M
$168.3M
Q1 25
$6.6M
$88.3M
Q4 24
$16.1M
$112.0M
Q3 24
$12.5M
$135.8M
Q2 24
$624.8M
$44.9M
Q1 24
$123.0M
$106.0M
Stockholders' Equity
BKH
BKH
IESC
IESC
Q4 25
$3.8B
$961.1M
Q3 25
$3.8B
$884.0M
Q2 25
$3.6B
$781.4M
Q1 25
$3.6B
$705.8M
Q4 24
$3.5B
$652.4M
Q3 24
$3.4B
$611.1M
Q2 24
$3.4B
$567.5M
Q1 24
$3.3B
$534.8M
Total Assets
BKH
BKH
IESC
IESC
Q4 25
$10.9B
$1.7B
Q3 25
$10.3B
$1.6B
Q2 25
$10.1B
$1.5B
Q1 25
$10.1B
$1.4B
Q4 24
$10.0B
$1.3B
Q3 24
$9.7B
$1.2B
Q2 24
$10.2B
$1.2B
Q1 24
$9.7B
$1.1B

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
BKH
BKH
IESC
IESC
Operating Cash FlowLast quarter
$168.1M
$27.7M
Free Cash FlowOCF − Capex
$-101.5M
$-18.9M
FCF MarginFCF / Revenue
-16.3%
-2.2%
Capex IntensityCapex / Revenue
43.3%
5.3%
Cash ConversionOCF / Net Profit
1.60×
0.30×
TTM Free Cash FlowTrailing 4 quarters
$-146.4M
$175.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BKH
BKH
IESC
IESC
Q4 25
$168.1M
$27.7M
Q3 25
$88.9M
$132.0M
Q2 25
$188.6M
$92.0M
Q1 25
$227.8M
$24.8M
Q4 24
$153.2M
$37.3M
Q3 24
$102.1M
$92.8M
Q2 24
$230.6M
$82.9M
Q1 24
$233.4M
$33.7M
Free Cash Flow
BKH
BKH
IESC
IESC
Q4 25
$-101.5M
$-18.9M
Q3 25
$-89.5M
$112.0M
Q2 25
$-30.3M
$74.8M
Q1 25
$74.9M
$7.9M
Q4 24
$-60.5M
$24.1M
Q3 24
$-86.0M
$78.5M
Q2 24
$64.4M
$65.4M
Q1 24
$57.2M
$26.9M
FCF Margin
BKH
BKH
IESC
IESC
Q4 25
-16.3%
-2.2%
Q3 25
-20.9%
12.5%
Q2 25
-7.0%
8.4%
Q1 25
9.4%
0.9%
Q4 24
-10.3%
3.2%
Q3 24
-21.6%
10.1%
Q2 24
16.2%
8.5%
Q1 24
8.0%
3.8%
Capex Intensity
BKH
BKH
IESC
IESC
Q4 25
43.3%
5.3%
Q3 25
41.7%
2.2%
Q2 25
50.2%
1.9%
Q1 25
19.1%
2.0%
Q4 24
36.5%
1.8%
Q3 24
47.2%
1.8%
Q2 24
41.9%
2.3%
Q1 24
24.6%
1.0%
Cash Conversion
BKH
BKH
IESC
IESC
Q4 25
1.60×
0.30×
Q3 25
3.57×
1.29×
Q2 25
6.86×
1.16×
Q1 25
1.70×
0.34×
Q4 24
1.56×
0.65×
Q3 24
4.18×
1.42×
Q2 24
10.11×
1.24×
Q1 24
1.82×
0.59×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

BKH
BKH

Gas Utilities$391.1M63%
Retail Electric Natural Gasand Coal$189.7M30%
Other$15.3M2%
Market Off System Sales$13.6M2%
Transferred At Point In Time$8.9M1%
Wholesale$4.9M1%
Inter Segment Revenues$2.4M0%

IESC
IESC

Communications$351.9M40%
Single Family Electrical Contracts$137.0M16%
Custom Engineered Solutions$116.0M13%
Commercialand Industrial$94.8M11%
Single Family Contracts Plumbing HVAC$82.9M10%
Multi Familyand Other$64.2M7%
Industrial Services$24.2M3%

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