Enphase Energy, Inc. (ENPH) intrinsic value & 10-year financials

Enphase Energy, Inc. (ENPH) has a Graham intrinsic value of $11.42 per share. At $30.62 on Oct 17, 2026, the stock trades 168% above that value. Over the last 10 fiscal years revenue grew 18.4% a year to $1.5B, with an average return on invested capital of -90.2%.

Graham intrinsic value
$11.42
Share price (Oct 17, 2026)
$30.62
Price vs Graham value
168% above
Market cap
$4.1B
Revenue (FY2025)
$1.5B
Revenue growth (10-yr CAGR)
18.4%
ROIC (10-yr avg)
-90.2%
Free cash flow (FY2025)
$95.9M

ENPH 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $1.5B $172.1M $1.29 $95.9M 10.7% 7.3%
FY2024 $1.3B $102.7M $0.75 $480.1M 5.8% 3.5%
FY2023 $2.3B $438.9M $3.08 $586.4M 19.5% 20.8%
FY2022 $2.3B $397.4M $2.77 $698.4M 19.2% 26.1%
FY2021 $1.4B $145.4M — $299.8M 15.6% 28.6%
FY2020 $774.4M $134.0M — $195.8M 24.1% 130.1%
FY2019 $624.3M $161.1M — $124.3M 16.5% 139.6%
FY2018 $316.2M -$11.6M — $12.0M 0.5% 14.0%
FY2017 $286.2M -$45.2M — -$32.6M -13.8% -417.2%
FY2016 $322.6M -$67.5M — -$45.1M -19.4% -854.7%

Source: annual 10-K filings on SEC EDGAR. Figures in USD.

Executive summary

Enphase Energy, Inc. is a consistent compounder, expanding top-line revenue at 18.4% annually over the past decade.

Enphase Energy, Inc. has earned high returns on invested capital, averaging 35.7% ROIC over the available history. High ROIC is consistent with a durable franchise, but it is not by itself proof of an economic moat.

Over the decade, Enphase Energy, Inc. shows that the company has leveraged its balance sheet to sustain operations.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, Enphase Energy, Inc. is modeled at 0.9% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $11.42 per share.

ENPH stock: frequently asked questions

What is the intrinsic value of Enphase Energy, Inc. (ENPH) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 0.9% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, ENPH's intrinsic value is about $11.42 per share.

Is ENPH stock undervalued?

At $30.62 (close on Oct 17, 2026), ENPH trades 168% above its Graham value of $11.42. On Graham's terms the shares look fully priced. A formula is a starting point for research, not a recommendation.

How fast has Enphase Energy, Inc. grown?

Revenue went from $322.6M in fiscal 2016 to $1.5B in fiscal 2025, a compound annual growth rate of 18.4%. Net income was $172.1M in fiscal 2025.

Does Enphase Energy, Inc. generate free cash flow?

Enphase Energy, Inc. generated $95.9M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 8 of the last 10 reported years.

What is ENPH's return on invested capital?

Average ROIC over the last 10 fiscal years was -90.2%, and average return on equity was -198.8%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this ENPH data come from?

From Enphase Energy, Inc.'s annual 10-K filings on SEC EDGAR, most recently filed Jul 28, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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