Summary

Market information provides a description of the following: 

1. The unit element and assumptions used in the financial page such as fuel cost and controlling portfolio.
2. The variables used in the financial page including the field labels and a detailed definition (see gross margin page for a derivation of gross margin components).
3. The elements and variables in the 4 second causer pays data broken down into the four element types, 'System', 'Unit', 'Interconnector' and 'Load'.