Kiwi Electricity Habits Shifted Under Pandemic Rules

New Zealanders changed how they used power when the world stopped. Between late February 2021 and July 2023, the country watched its energy habits flip. Daily and weekly routines shifted as rules changed. People stayed home more, then moved around again. Data from that time shows what happened to the grid.

The numbers tell a clear story about those years. When the country hit Alert Level 1, power use went up by three percent. That change was real and not just luck. But things flipped during the Red Light phase. Demand dropped by two and a half percent there. Other warning levels did not show clear changes. The math behind this used special models to check the data carefully.

Researchers found big breaks in the data too. These happened during Alert Level 1 and when the Orange Light was active. Once the strict rules went away, power use started to fall. This helps planners understand the future. They can build better systems for the next big crisis. Energy policy needs to know how people react when things get tough. Planning ahead matters when the next emergency arrives.

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