EMI complements the Authority's corporate website at www.ea.govt.nz by focusing on data, insights, analytics and modelling tools, including vSPD-online. The EMI website works best with modern web browsers. The Authority maintains a comprehensive data warehouse and the EMI website has secure access to a portion of the data warehouse. Service providers, subscription data services, participants and the Authority itself are the main sources of data collected in our data warehouse. Only public domain information is able to be accessed from EMI.
