Pennon shares down after EBITDA forecast miss and water service interruptions

Pennon Group shares declined after the company forecast a 60% EBITDA increase for 2025/26, which fell short of analyst expectations of 66-67%. This miss was attributed to supply interruptions in water services negatively impacting outcomes, offsetting improvements in wastewater performance, leading to a modest downward adjustment from prior guidance.

Analysis

Pennon Group's (PNN) forward guidance for fiscal year 2025/26 has triggered a negative market reaction, with the company forecasting a 60% year-over-year increase in EBITDA, falling short of both consensus (67%) and Jefferies' (66%) estimates. The primary driver for this guidance miss is underperformance in the water services division, where supply interruptions are expected to cause a small negative impact on Outcome Delivery Incentives (ODIs), representing a modest downward revision from previous neutral guidance. This operational headwind is partially offsetting significant improvements in the wastewater segment, which is projected to achieve a net neutral ODI position for the first time, driven by reductions in pollution incidents and storm overflows. Despite the earnings miss, which Jefferies suggests could be partly influenced by the timing of revenue recognition, the company has reaffirmed that it is on track to deliver its five-year investment plan and achieve its targeted 7% return on regulated equity. Furthermore, there were no material updates regarding the ongoing Environment Agency investigations, which remain an unresolved risk factor.

Key Decisions for Investors

• Investors should assess whether the current share price decline, driven by the modest miss on EBITDA guidance, reflects a transient operational issue in water services or a more persistent problem, weighing it against the company's reaffirmed 7% return on regulated equity target.
• It is crucial to monitor for any resolution or material updates from the ongoing Environment Agency investigations, as this represents a significant unquantified risk that could impact the stock's valuation.
• Closely track future reports on Outcome Delivery Incentives, as the performance divergence between the improving wastewater segment and the underperforming water services division is the key factor dictating the company's ability to meet its financial targets.