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Acorn Energy vs Willdan: revenue, profit, margins and growth compared

Acorn Energy brought in $11.5M of revenue in fiscal 2025, Willdan $681.6M in fiscal 2025. Revenue changed by +4.5% at Acorn Energy and +20.5% at Willdan on the year before, so Willdan grew faster. Acorn Energy kept 21.9% of its revenue as net profit, Willdan 7.7%.

Side by side, latest fiscal year

ACFNWLDN
Fiscal year endedFY2025 (December 31, 2025)FY2025 (January 2, 2026)
Revenue$11.5M$681.6M
Revenue growth+4.5%+20.5%
Net income$2.5M$52.6M
Net margin21.9%7.7%
Free cash flown/a$70.7M
Free cash flow marginn/a10.4%
Earnings per share (diluted)$0.99$3.49
Cash$4.5M$65.9M
Debtn/a$48.5M
Price to earnings21.222.6
Market value$52.7M$1.2B
Dividend yieldn/an/a
Rank by revenue in sector#751 of 778 · Consumer discretionary#522 of 778 · Consumer discretionary

Over the years

Revenue
ACFN FY2018: $5.1MACFN FY2019: $5.5MACFN FY2020: $5.9MACFN FY2021: $6.8MACFN FY2022: $7MACFN FY2023: $8.1MACFN FY2024: $11MACFN FY2025: $11.5MWLDN FY2018: $272.3MWLDN FY2019: $443.1MWLDN FY2020: $391MWLDN FY2021: $353.8MWLDN FY2022: $429.1MWLDN FY2023: $510.1MWLDN FY2024: $565.8MWLDN FY2025: $681.6MFY18FY19FY20FY21FY22FY23FY24FY25
ACFN $11.5MWLDN $681.6M
Net income
ACFN FY2018: -$2MACFN FY2019: -$618KACFN FY2020: $69KACFN FY2021: -$21KACFN FY2022: -$633KACFN FY2023: $119KACFN FY2024: $6.3MACFN FY2025: $2.5MWLDN FY2018: $10MWLDN FY2019: $4.8MWLDN FY2020: -$14.5MWLDN FY2021: -$8.4MWLDN FY2022: -$8.4MWLDN FY2023: $10.9MWLDN FY2024: $22.6MWLDN FY2025: $52.6MFY18FY19FY20FY21FY22FY23FY24FY25
ACFN $2.5MWLDN $52.6M
Net margin
ACFN FY2018: -39.3%ACFN FY2019: -11.3%ACFN FY2020: 1.2%ACFN FY2021: -0.3%ACFN FY2022: -9.0%ACFN FY2023: 1.5%ACFN FY2024: 57.3%ACFN FY2025: 21.9%WLDN FY2018: 3.7%WLDN FY2019: 1.1%WLDN FY2020: -3.7%WLDN FY2021: -2.4%WLDN FY2022: -2.0%WLDN FY2023: 2.1%WLDN FY2024: 4.0%WLDN FY2025: 7.7%FY18FY19FY20FY21FY22FY23FY24FY25
ACFN 21.9%WLDN 7.7%
Revenue growth
ACFN FY2019: +7.9%ACFN FY2020: +7.9%ACFN FY2021: +14.4%ACFN FY2022: +3.3%ACFN FY2023: +15.1%ACFN FY2024: +36.3%ACFN FY2025: +4.5%WLDN FY2019: +62.8%WLDN FY2020: -11.8%WLDN FY2021: -9.5%WLDN FY2022: +21.3%WLDN FY2023: +18.9%WLDN FY2024: +10.9%WLDN FY2025: +20.5%FY19FY20FY21FY22FY23FY24FY25
ACFN +4.5%WLDN +20.5%
Free cash flow
WLDN FY2018: $5.5MWLDN FY2019: $5MWLDN FY2020: $41.9MWLDN FY2021: $1.3MWLDN FY2022: -$169KWLDN FY2023: $29.3MWLDN FY2024: $63.7MWLDN FY2025: $70.7MFY18FY19FY20FY21FY22FY23FY24FY25
ACFNWLDN $70.7M

Fiscal years as each company reports them; the two may end in different months.

Questions about Acorn Energy and Willdan

Which is bigger by revenue, Acorn Energy or Willdan?

Willdan is bigger by revenue: $681.6M in fiscal 2025, against $11.5M for Acorn Energy in fiscal 2025.

Which keeps more of its revenue as profit, Acorn Energy or Willdan?

Acorn Energy had a net margin of 21.9% in fiscal 2025; Willdan had 7.7% in fiscal 2025.

Which grew revenue faster, Acorn Energy or Willdan?

In their latest fiscal years revenue changed by +4.5% at Acorn Energy and +20.5% at Willdan.

Where do these numbers come from?

From the annual reports each company files with the SEC (10-K, or 20-F and 40-F for foreign companies), read from their XBRL data. Margins and growth are simple arithmetic on those figures. Nothing here is a recommendation.

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