Talen (TLN) intrinsic value & 10-year financials

Talen (TLN) has a Graham intrinsic value of $586.92 per share. At $354.81 on Oct 17, 2026, the stock trades 40% below that value. Over the last 9 fiscal years revenue grew 25.0% a year to $2.5B, with an average return on invested capital of -7.5%.

Graham intrinsic value
$586.92
Share price (Oct 17, 2026)
$354.81
Price vs Graham value
40% below
Market cap
$16.2B
Revenue (FY2025)
$2.5B
Revenue growth (9-yr CAGR)
25.0%
ROIC (10-yr avg)
-7.5%
Free cash flow (FY2025)
$606.0M

TLN 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $2.5B -$219.0M -$4.79 $606.0M -3.6% -1.6%
FY2024 $1.6B $998.0M $17.67 $171.0M 14.4% 4.6%
FY2023 — — — — — —
FY2022 $3.2B -$1.3B — -$45.0M 7.5% -48.7%
FY2021 — — — — — —
FY2015 $544.0M -$341.0M -$3.10 $317.0M -7.2% -0.5%
FY2014 $601.0M $410.0M $4.91 $46.0M 66.1% 5.4%
FY2013 $527.0M -$230.0M -$2.75 -$173.0M -55.6% -4.0%
FY2012 — — — — — —

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

Executive summary

Talen Energy Corp revenue growth over the past decade is N/A; insufficient history prevents a reliable 10-year CAGR calculation.

Talen Energy Corp has historically struggled to out-earn its cost of capital, averaging just -7.5% ROIC.

Talen Energy Corp capital allocation metrics are N/A for the decade; share count and net debt history are incomplete.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, Talen Energy Corp is modeled at 15.0% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $586.92 per share.

TLN stock: frequently asked questions

What is the intrinsic value of Talen (TLN) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 15.0% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, TLN's intrinsic value is about $586.92 per share.

Is TLN stock undervalued?

At $354.81 (close on Oct 17, 2026), TLN trades 40% below its Graham value of $586.92. On Graham's terms that leaves a margin of safety. A formula is a starting point for research, not a recommendation.

Does Talen generate free cash flow?

Talen generated $606.0M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 4 of the last 6 reported years.

What is TLN's return on invested capital?

Average ROIC over the last 9 fiscal years was -7.5%, and average return on equity was 49.7%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this TLN data come from?

From Talen's annual 10-K filings on SEC EDGAR. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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