Huaneng Power International (SEHK:902) Could Be 8% Below Fair Value After Weak Half Year Results

Huaneng Power International (SEHK:902) reported half year 2026 results that showed lower revenue and net income compared with the same period in 2025. The earnings update appears to have influenced recent trading in the stock.

See our latest analysis for Huaneng Power International.

Since the earnings announcement on 18 August 2026, Huaneng Power International’s share price has been volatile, with the stock at HK$5.45 after a 1 day gain of 1.11% but a 90 day share price return that has fallen 18.41%. Over longer horizons, total shareholder returns of 4.27% over 1 year and 72.34% over 5 years suggest the recent loss of momentum follows a period of stronger compounding for investors.

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After that earnings setback and a sharp 90 day pullback, the question for Huaneng Power International now is simple: Does the current valuation still offer a compelling balance of risk and potential reward for new buyers?

Most Popular Narrative: 8% Undervalued

The most followed narrative currently points to a fair value for Huaneng Power International that sits slightly above the last close of HK$5.45, which frames the recent share price weakness in a different light.

Huaneng Power International's aggressive expansion of renewable capacity (adding 6.26 GW renewables in the first half, with 19.13 GW more under construction and a focus on wind and solar) positions the company to benefit from China's ongoing push for low-carbon energy and policy support for green investment, leading to future revenue growth and enhanced long-term earnings quality.

Read the complete narrative.

The fair value in this narrative leans heavily on higher margin renewables, firmer pricing power and a gradual lift in profitability while using a discount rate of 13.26%. The real question is how those moving parts, from revenue trends to earnings per share, are expected to line up over the next few years to justify that gap.

Result: Fair Value of HK$5.92 (ABOUT RIGHT)

Have a read of the narrative in full and understand what's behind the forecasts.

However, Huaneng Power International still faces coal dependence and high leverage, which could pressure margins and cash flow if fuel costs or policy conditions become less supportive.

Find out about the key risks to this Huaneng Power International narrative.

Another View On Huaneng Power International’s Valuation

The SWS DCF model points to a fair value of HK$4.75 for Huaneng Power International, which is below the current share price of HK$5.45 and implies the stock could be overvalued on future cash flows. That contrasts with the analyst target of HK$5.92. Which set of assumptions do you find more convincing?

Look into how the SWS DCF model arrives at its fair value.

Simply Wall St performs a discounted cash flow (DCF) on every stock in the world every day (check out Huaneng Power International for example). We show the entire calculation in full. You can track the result in your watchlist or portfolio and be alerted when this changes, or use our stock screener to discover 274 high quality undervalued stocks. If you save a screener we even alert you when new companies match - so you never miss a potential opportunity.

Next Steps

The mixed tone around Huaneng Power International today reflects both caution and optimism, so it helps to look at the numbers yourself and move quickly while sentiment is still settling. To balance the picture and weigh those concerns against the upside case, start with the 4 key rewards and 2 important warning signs

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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.

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