Mercury NZ (NZSE:MCY) drew investor focus after reporting full year results to June 30, 2026, with sales of NZ$3.224b and net income of NZ$321m, along with higher earnings per share.
See our latest analysis for Mercury NZ.
Mercury NZ's latest earnings announcement appears to have coincided with stronger interest in the stock, with a 1-day share price return of 2.06% and a 7-day share price return of 6.27% helping lift year to date share price gains to 6.92%. The 1-year total shareholder return of 11.55% and 5-year total shareholder return of 23.25% point to gradually building momentum over a longer horizon.
If Mercury NZ's results have you thinking about where else capital could work hard in essential infrastructure, it may be worth checking out 39 power grid technology and infrastructure stocks
Bulls point to Mercury NZ's sharp earnings rebound and improving shareholder returns. Bears highlight softer sales and question how much of the good news is already in the NZ$6.95 price. Which case does the current valuation lean toward?
Most Popular Narrative: 3% Undervalued
The most followed narrative currently places Mercury NZ's fair value at NZ$7.14, slightly above the last close of NZ$6.95, which frames the stock as modestly undervalued.
Ongoing and accelerated investment in new wind, geothermal, and battery storage projects supported by a $1 billion capex pipeline and 3.5 TWh of new generation targeted by 2030 leverages the persistent decline in renewable technology costs, underpinning future earnings growth and generation margin expansion.
Read the complete narrative. Read the complete narrative.
Want to understand why this narrative supports a higher fair value for Mercury NZ? The core story links steady revenue expectations, rising margins and a richer future earnings multiple. The key assumptions behind those inputs may surprise you.
Result: Fair Value of NZ$7.14 (UNDERVALUED)
Have a read of the narrative in full and understand what's behind the forecasts.
However, there is still clear risk to this Mercury NZ story if hydrology volatility persists, or if rising capital needs for projects begin to pressure free cash flow.
Find out about the key risks to this Mercury NZ narrative.
Another View On Mercury NZ's Valuation
While the consensus narrative frames Mercury NZ as modestly undervalued, the current P/E of 30.9x paints a different picture. It sits well above the global Electric Utilities average of 14.8x, the peer average of 20.3x, and the fair ratio of 23.6x. This points to valuation risk if sentiment cools.
For a closer look at what these gaps might mean in practice for future returns and downside risk, see what the numbers say about this price in our valuation breakdown. See what the numbers say about this price — find out in our valuation breakdown.
Next Steps
After considering both the optimism and the caution around Mercury NZ, it may be useful to review the data for yourself. To understand how the potential upside and downside compare, take a closer look at the 2 key rewards and 2 important warning signs
Looking for more investment ideas beyond Mercury NZ?
If Mercury NZ has sharpened your focus on opportunities in essential infrastructure, do not stop here. Other stocks could fit your goals just as well or better.
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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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