Environment

Hydrological modelling dataset

A model of hydro infrastructure and constraints, flows, storage, and spill

The Hydrological Modelling Dataset (HMD) is used to inform monitoring, policy development, security of supply forecasting, and investment studies within the electricity industry. It is also used to support investigations into the relationship between the electricity sector and environmental policy in New Zealand. This dataset is a full update including infrastructure and hydro constraints, along with flows, storage, and spill to 31 Dec 2023.