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The System Security Forecast (SSF) assesses our ability to meet performance obligations and provides information so participants can understand constraints on the operation of the power system.

We work with industry to ensure there is enough electricity to meet New Zealand’s electricity needs now and into the future.

You can read our latest greenhouse gas emissions report here. We've been producing these annual reports voluntarily since 2016.

Read our FY2025 Climate Statement, which includes a summary of our climate change scenarios.

Our FY2026 Sustainability Strategy is focused on improving the sustainability of our ongoing operations while driving long term change.

Our assets and our activities criss-cross the country and involve hundreds of community groups and neighbourhoods. Building positive relationships with our communities is a priority.

Transpower’s strategic priorities are focused on supporting New Zealand’s progress towards a net-zero carbon economy.

Transpower holds a unique position in the New Zealand energy sector as both National Grid owner and System Operator.

Our core purpose is to empower the energy future for New Zealand – a future that delivers a net-zero carbon economy and a reliable and secure electricity system.