The HETS Operator shall prepare the zonal Load Forecasts for the Dispatch Periods under consideration, taking into account the following information:

a) Historical data on Load Portfolios and statistics deriving from the processing of the historical data, including, but not limited to, the evolution of load per energy use category,

b) the weather forecast, historical data on load under similar weather conditions, comparable statistics, as well as the covariance of load and weather parameters,

c) events that the HETS Operator already anticipates,

d) operations in the HETS and/or the Distribution Network affecting the half-hourly energy offtake at a Transmission Meter, of which the HETS Operator has been informed, and

e) other information collected and notified to the HETS Operator.