In a  US grid mod project we work on transmission and distribution portfolio where we deal with connectivity information of  Abanks to house hold meters 

In exelon we deal with 3 companies data where the power consumption and billings of the customer verify in UI end and billing performed in CAMS main frame systems for testing 

In GAT web application we work on historical data and graph representations of 10years data to forecast future consumptiom in node levels like A bank Substation Circuits of US california