Data from www.emi.ea.govt.nz provided by the Electricity Authority (New Zealand), CC BY 4.0. Irradiance: Himawari satellite data (JMA/JAXA) via Open-Meteo, CC BY 4.0.
Times are New Zealand time. Trading periods (TP) are the market's half-hour periods, numbered from midnight. Generation is dispatch (the market's 5-minute targets), not metered output.