Mercury NZ Limited has upgraded its FY2026 EBITDAF guidance by 5 percent, raising the forecast from $1.0 billion to $1.05 billion. The upgrade reflects the renewable energy generator’s disciplined approach to portfolio management and expectations for higher electricity generation from its hydro assets and new generation capacity coming online. For investors tracking Mercury’s earnings trajectory, this revision signals improving operational performance and confidence in the company’s ability to deliver stronger financial results than previously guided.
The significance of this upgrade extends beyond the headline number. Mercury operates with 100 percent renewable generation capacity across hydro, geothermal, and wind assets, positioning it to benefit from ongoing demand for clean electricity in both New Zealand and Australian markets. The improvement in guidance suggests the company’s existing hydro portfolio is performing well, and new generation investments are delivering anticipated returns. This matters for shareholders because EBITDAF, or earnings before interest, tax, depreciation, amortization, and fair value movements, provides a clearer picture of underlying operational cash generation than statutory earnings figures.
Mercury’s business extends beyond generation into electricity retail, complemented by gas, broadband, and mobile services. The upgrade indicates that both the generation side and retail operations are tracking positively. As a dual-listed entity on both the NZX and ASX with foreign exempt listed status, Mercury offers investors exposure to New Zealand’s essential infrastructure while maintaining the New Zealand Government’s legislated minimum 51 percent shareholding, which provides a degree of stability and long-term commitment to the business.
The company has appropriately flagged that guidance remains subject to material events, significant one-off expenses, and unforeseen circumstances, with explicit mention of hydrological conditions. This caveat is standard practice for renewable energy generators where seasonal rainfall patterns and water availability can meaningfully impact generation output and financial performance. Investors should monitor weather patterns and hydroelectric storage levels heading into the remainder of FY2026, as unusually dry conditions could pressure results.
What to watch for next includes Mercury’s FY2026 full-year results announcement, which will provide granular detail on whether the company delivers on this upgraded guidance. Investors should also track the company’s capital expenditure program and returns from new generation assets, as well as any updates on the competitive retail market dynamics in New Zealand and Australia. The announcement is price sensitive and has been flagged as material by the ASX.
View the full ASX announcement (PDF)
About Mercury NZ Limited (ASX: MCY)
Mercury NZ Limited generates approximately 16% of New Zealand’s total electricity from renewable sources including hydro, geothermal, and wind power. The company operates as a generator and retailer of electricity, gas, broadband and mobile services to residential and business customers in New Zealand. It operates through three main business segments: Generation/Wholesale, Customer, and Other divisions.
If you would like to discuss this announcement or how it might affect your portfolio, request a callback or call us on 1300 889 603.

