EnerSys (ENS) intrinsic value & 10-year financials

EnerSys (ENS) has a Graham intrinsic value of $162.76 per share. At $168.72 on Oct 17, 2026, the stock trades 4% above that value. Over the last 10 fiscal years revenue grew 5.2% a year to $3.8B, with an average return on invested capital of 11.8%.

Graham intrinsic value
$162.76
Share price (Oct 17, 2026)
$168.72
Price vs Graham value
4% above
Market cap
$6.4B
Revenue (FY2026)
$3.8B
Revenue growth (10-yr CAGR)
5.2%
ROIC (10-yr avg)
11.8%
Free cash flow (FY2026)
$467.5M

ENS 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2026 $3.8B $293.6M $7.70 $467.5M 11.4% 13.9%
FY2025 $3.6B $363.7M $8.99 $139.3M 12.8% 17.0%
FY2024 $3.6B $269.1M $6.50 $370.6M 9.8% 14.3%
FY2023 $3.7B $175.8M $4.25 $191.2M 7.5% 10.0%
FY2022 $3.4B $143.9M $3.36 -$139.6M 6.1% 7.8%
FY2021 $3.0B $143.4M $3.32 $288.4M 7.3% 8.8%
FY2020 $3.1B $137.1M $3.20 $152.0M 6.2% 8.8%
FY2019 $2.8B $160.2M $3.73 $127.5M 7.6% 11.7%
FY2018 $2.6B $119.6M $2.77 $141.2M 10.4% 11.1%
FY2017 $2.4B $160.2M $3.64 $196.0M 10.0% 14.8%

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

Executive summary

EnerSys has demonstrated mature, steady growth, with revenue compounding at 5.2% annually over the past decade.

EnerSys returns on capital have been average, hovering around 11.8% ROIC over the decade.

Over the decade, EnerSys shows that management has aggressively returned capital to shareholders by retiring 13.3% of outstanding shares, and that the company has leveraged its balance sheet to sustain operations.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, EnerSys is modeled at 8.0% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $162.76 per share.

ENS stock: frequently asked questions

What is the intrinsic value of EnerSys (ENS) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 8.0% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, ENS's intrinsic value is about $162.76 per share.

Is ENS stock undervalued?

At $168.72 (close on Oct 17, 2026), ENS trades 4% above its Graham value of $162.76. On Graham's terms the shares look fully priced. A formula is a starting point for research, not a recommendation.

How fast has EnerSys grown?

Revenue went from $2.4B in fiscal 2017 to $3.8B in fiscal 2026, a compound annual growth rate of 5.2%. Net income was $293.6M in fiscal 2026.

Does EnerSys generate free cash flow?

EnerSys generated $467.5M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2026. Free cash flow was positive in 9 of the last 10 reported years.

What is ENS's return on invested capital?

Average ROIC over the last 10 fiscal years was 11.8%, and average return on equity was 13.1%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this ENS data come from?

From EnerSys's annual 10-K filings on SEC EDGAR, most recently filed May 20, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

Similar miscellaneous electrical machinery, equipment & supplies stocks