None of the recent New Zealand power plant developments truly qualify as “small” on a field wide basis. The size of the individual units in these projects is however, quite small. Over the last four years fourteen geothermal generation units have been installed in New Zealand, eleven of these having a capacity of less than 5MWe. Prior to the recent period of activity three small units were installed at Kawerau; each of these units were also less than 5MWe in output