Nadzifah Hayati Ariffin

Chief Engineer (Asset Strategy & Policies) Distribution Network Tenaga Nasional Berhad

A power utility strategist with over 20 years in TNB specialising in grid modernisation, asset lifecycle strategy and protection systems. She integrates global best practices with local realities to enhance reliability, resilience and cost efficiency. Known for driving innovation, shaping policy and leading high-impact programmes, she elevates operational excellence, organisational capability and energy transition readiness. Her expertise spans design, planning, construction, operation and retirement of assets, bridging emerging technologies, renewable integration and regulatory frameworks to deliver future-ready, customer-focused power networks.