TLN (Talen Energy) GF Value Rank: 4 (As of Aug. 12, 2026)

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Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

TLN Talen Energy Corp TLN
53 GF Score
Price $366.16
GF Value $522.06
Valuation Possible Value Trap
! 7 Warning Signs
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What is Talen Energy GF Value Rank?

Talen Energy TLN +2.31% 53 GF Value Rank is 4 as of Aug. 12, 2026. GuruFocus rates TLN with a GF Score™ of 53/100 and a GF Value™ of $522.06 (Possible Value Trap). The stock has 7 warning signs investors should review.

Talen Energy has the GF Value Rank of 4.

GF Value Rank evaluates the exclusive GuruFocus valuation and performance of a stock, rated on a scale from 1 to 10. It is determined by the price-to-GF-Value (P/GF Value) ratio, a proprietary metric calculated based on historical multiples along with an adjustment factor based on a company's past returns and growth and future estimates of the business' performance.

GuruFocus found that for valuation, we cannot simply give stocks a better GF Value rank simply because they have a lower P/GF Value ratio. Backtesting shows that over the long term, the two worst-performing groups are the most expensive group (with the highest P/GF Value ratio) and the least expensive group (with the lowest P/GF Value ratio).

We can understand why the most expensive group underperforms. We were initially puzzled by the underperformance of the least expensive group, but we realized there is a reason why some stocks are super cheap. If they look too undervalued, it is often because the businesses behind them are poor quality. The market realized this and gave them low valuations. In a way, the market is efficient.

After multiple backtesting analyses, we granted the stocks in third-cheapest percentile the highest GF Value rank, as they have performed the best over a full market cycle. Stock performance is actually not as sensitive to valuation as it is to growth and profitability. On average, the companies in the 20%-50% valuation groups have similar performances. Therefore, we should avoid the most expensive and the least expensive stocks. We can be more tolerant of valuation.

A higher score indicates a stock with a relatively low valuation and substantial potential for outperformance. Conversely, a lower score often reflects stocks that are either highly overvalued or deeply undervalued, both of which tend to underperform.

Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.


Talen Energy GF Value Rank Related Terms


TLN vs OKLO, NRG, KEN: GF Value Rank Comparison

For the Utilities - Independent Power Producers subindustry, Talen Energy's GF Value Rank, along with its competitors' market caps and GF Value Rank data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Talen Energy GF Value Rank vs Utilities - Independent Power Producers Industry

For the Utilities - Independent Power Producers industry and Utilities sector, Talen Energy's GF Value Rank distribution charts can be found below:

* The bar in red indicates where Talen Energy's GF Value Rank falls into.


TLN
53GF Score
Talen Energy Corp TLN
GF Value Rank is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about GF Value Rank →
What does a GF Value Rank of 4 mean?
Talen Energy (TLN) has a GF Value Rank of 4 as of Aug. 12, 2026. GF Value Rank is given based on historical multiples along with past returns, growth and future estimates of the business' performance. View historical data on Talen Energy and its competitors.
Is Talen Energy's GF Value Rank too high?
Talen Energy's current GF Value Rank is 4. Overall, Talen Energy has a GF Score™ of 53/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Talen Energy's GF Value Rank compare to OKLO and NRG?
Talen Energy's GF Value Rank of 4 can be compared against companies in the Utilities - Independent Power Producers industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good GF Value Rank for an Utilities - Independent Power Producers company?
A good GF Value Rank depends on the Utilities - Independent Power Producers industry context. However, GF Value Rank should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high GF Value Rank mean?
A high GF Value Rank can signal that a stock is expensive relative to its fundamentals. GF Value Rank is given based on historical multiples along with past returns, growth and future estimates of the business' performance. View historical data on Talen Energy and its competitors. Talen Energy's current GF Value Rank is 4. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Talen Energy stock overvalued right now?
Based on GuruFocus' analysis, Talen Energy (TLN) is currently considered Possible Value Trap. The stock's GF Value™ is $522.06, compared to a current price of $366.16 — trading 29.9% below its estimated fair value. The current GF Value Rank is 4. Talen Energy's overall GF Score™ is 53/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Value Rank calculated?
GF Value Rank is calculated from a company's financial statements. For Talen Energy (TLN), the current GF Value Rank is 4 as of Aug. 12, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Talen Energy (TLN) Overvalued in 2026?

Based on GuruFocus' analysis, Talen Energy stock appears to be undervalued. The current stock price of $366.16 is trading 29.9% below its estimated GF Value™ of $522.06. GuruFocus considers Talen Energy to be Possible Value Trap.

Key valuation signals for TLN:

  • GF Value Rank: 4
  • GF Value™: $522.06 vs. price of $366.16 (29.9% below fair value)
  • GF Score™: 53/100 with 7 warning signs

No single metric tells the full story. See the TLN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Talen Energy Business Description

Other Exchanges 1TLN:Italy
Address 2929 Allen Parkway, Suite 2200, Houston, TX, USA, 77019
Talen Energy Corp is an independent power producer and energy infrastructure company based in the United States. It owns and operates several gigawatts of power infrastructure in the United States, including 2.2GW of nuclear power and a dispatchable fossil fleet. The company produces and sells electricity, capacity, and ancillary services into wholesale U.S. power markets, with its generation fleet principally located in the Mid-Atlantic, Ohio, and Montana. Talen's operating segments are: PJM and Others. The PJM segment, which generates maximum revenue, is engaged in electricity generation, marketing activities, and commodity risk and fuel management within the PJM market and is comprised of Susquehanna and Talen's natural gas and coal generation facilities in PJM.
53GF Score

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GF Value Rank is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$366.16
Price
$522.06
GF Value