What electrical parameters are important to do load forecasting? Which outputs are useful after doing load forecasting?

voltage  current and PF

Please refer to:

Shahrokh Shojaeain,Vahid Mottaghi “Low voltage distribution feeder load estimation based on practical GIS-BASED method” ,International Journal Of Digital Application &Contemporary research,www.ijdacr.com(Volume2,Issue1,August2013)

• Automating data access from regional wholesale electricity markets
• Customizing models using nonlinear regression, nonparametric, and neural network techniques
• Calibrating models with historical predictors such as weather, seasonality, load, fuel price, and power price
• Deploying and integrating load forecasting algorithms into enterprise systems