Net Capacity Factor See Also: Generator Net Capacity Factor = (Net Actual Generation/(Period Hours x Net Maximum Capacity)) x 100 Where Net actual generation (MWh) is the actual number of MWhs generated by the unit during the period being considered, less any generation (MWh) utilized for that unit’s station service or auxiliaries; and Net maximum capacity is the gross maximum capacity less the unit capacity utilized for that unit’s station service or auxiliaries. The gross maximum capacity is the maximum capacity a unit can sustain over a specified period when not restricted by seasonal or other de-ratings.