The need for accurate planning of energy generation is increasing. The context is complicated by the types of generation involved, i.e. photovoltaic, wind and pump storage hydroelectricity; these have complex behaviors, which react differently according to different weather conditions. This problem impacts the energy generation area of the company, but the forecasting problem has many points in common with the forecasting activities already managed by sales portfolio forecasting. Zoran Consulting can help drive results by developing and executing innovative strategies, improving operations and reducing risk.