Estimating The Intrinsic Value Of Datang International Power Generation Co., Ltd. (HKG:991)

Does the March share price for Datang International Power Generation Co., Ltd. (HKG:991) reflect what it's really worth? Today, we will estimate the stock's intrinsic value by taking the expected future cash flows and discounting them to their present value. We will use the Discounted Cash Flow (DCF) model on this occasion. Believe it or not, it's not too difficult to follow, as you'll see from our example!

We generally believe that a company's value is the present value of all of the cash it will generate in the future. However, a DCF is just one valuation metric among many, and it is not without flaws. If you want to learn more about discounted cash flow, the rationale behind this calculation can be read in detail in the Simply Wall St analysis model.

Check out our latest analysis for Datang International Power Generation

Is Datang International Power Generation fairly valued?

We use what is known as a 2-stage model, which simply means we have two different periods of growth rates for the company's cash flows. Generally the first stage is higher growth, and the second stage is a lower growth phase. To begin with, we have to get estimates of the next ten years of cash flows. Seeing as no analyst estimates of free cash flow are available to us, we have extrapolate the previous free cash flow (FCF) from the company's last reported value. We assume companies with shrinking free cash flow will slow their rate of shrinkage, and that companies with growing free cash flow will see their growth rate slow, over this period. We do this to reflect that growth tends to slow more in the early years than it does in later years.

Generally we assume that a dollar today is more valuable than a dollar in the future, and so the sum of these future cash flows is then discounted to today's value:

10-year free cash flow (FCF) estimate

	2022	2023	2024	2025	2026	2027	2028	2029	2030	2031
Levered FCF (CN¥, Millions)	CN¥3.61b	CN¥2.49b	CN¥1.96b	CN¥1.68b	CN¥1.52b	CN¥1.42b	CN¥1.37b	CN¥1.34b	CN¥1.32b	CN¥1.32b
Growth Rate Estimate Source	Est @ -44.76%	Est @ -30.89%	Est @ -21.18%	Est @ -14.38%	Est @ -9.62%	Est @ -6.29%	Est @ -3.96%	Est @ -2.33%	Est @ -1.19%	Est @ -0.39%
Present Value (CN¥, Millions) Discounted @ 9.6%	CN¥3.3k	CN¥2.1k	CN¥1.5k	CN¥1.2k	CN¥960	CN¥820	CN¥719	CN¥640	CN¥577	CN¥524

("Est" = FCF growth rate estimated by Simply Wall St)
Present Value of 10-year Cash Flow (PVCF) = CN¥12b

We now need to calculate the Terminal Value, which accounts for all the future cash flows after this ten year period. For a number of reasons a very conservative growth rate is used that cannot exceed that of a country's GDP growth. In this case we have used the 5-year average of the 10-year government bond yield (1.5%) to estimate future growth. In the same way as with the 10-year 'growth' period, we discount future cash flows to today's value, using a cost of equity of 9.6%.

Terminal Value (TV)= FCF₂₀₃₁ × (1 + g) ÷ (r – g) = CN¥1.3b× (1 + 1.5%) ÷ (9.6%– 1.5%) = CN¥16b

Present Value of Terminal Value (PVTV)= TV / (1 + r)¹⁰= CN¥16b÷ ( 1 + 9.6%)¹⁰= CN¥6.5b

The total value, or equity value, is then the sum of the present value of the future cash flows, which in this case is CN¥19b. In the final step we divide the equity value by the number of shares outstanding. Relative to the current share price of HK$1.1, the company appears about fair value at a 9.4% discount to where the stock price trades currently. Valuations are imprecise instruments though, rather like a telescope - move a few degrees and end up in a different galaxy. Do keep this in mind.

The assumptions

Now the most important inputs to a discounted cash flow are the discount rate, and of course, the actual cash flows. If you don't agree with these result, have a go at the calculation yourself and play with the assumptions. The DCF also does not consider the possible cyclicality of an industry, or a company's future capital requirements, so it does not give a full picture of a company's potential performance. Given that we are looking at Datang International Power Generation as potential shareholders, the cost of equity is used as the discount rate, rather than the cost of capital (or weighted average cost of capital, WACC) which accounts for debt. In this calculation we've used 9.6%, which is based on a levered beta of 1.650. Beta is a measure of a stock's volatility, compared to the market as a whole. We get our beta from the industry average beta of globally comparable companies, with an imposed limit between 0.8 and 2.0, which is a reasonable range for a stable business.

Next Steps:

Although the valuation of a company is important, it shouldn't be the only metric you look at when researching a company. The DCF model is not a perfect stock valuation tool. Rather it should be seen as a guide to "what assumptions need to be true for this stock to be under/overvalued?" For instance, if the terminal value growth rate is adjusted slightly, it can dramatically alter the overall result. For Datang International Power Generation, we've compiled three pertinent items you should look at:

1. Risks: Consider for instance, the ever-present spectre of investment risk. We've identified 5 warning signs with Datang International Power Generation (at least 1 which can't be ignored) , and understanding them should be part of your investment process.
2. Future Earnings: How does 991's growth rate compare to its peers and the wider market? Dig deeper into the analyst consensus number for the upcoming years by interacting with our free analyst growth expectation chart.
3. Other High Quality Alternatives: Do you like a good all-rounder? Explore our interactive list of high quality stocks to get an idea of what else is out there you may be missing!

PS. Simply Wall St updates its DCF calculation for every Hong Kong stock every day, so if you want to find the intrinsic value of any other stock just search here.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.