In practice, these benefits carry right through the project lifecycle—from early-stage design and costing through to installation and long-term asset performance. More flexible routing can simplify design and improve constructability, while reducing installation time and civil works on site. At the same time, the solid, fully sealed construction supports long-term reliability and helps minimise maintenance risk, giving asset owners greater confidence in network performance over time. Backed by robust technical data and proven application in renewable energy projects, the solution also provides assurance that designs will meet both performance and compliance expectations.

The CPI3 / CPI3XL branch joint represents a practical step forward in enabling more efficient, reliable, and cost‑effective underground cable networks—supporting the evolving needs of New Zealand’s energy infrastructure.