2  Introduction

2.1 What is energy system modelling?

2.2 Mathematical optimisation

2.3 Computer implementation

• Must be defined in blocks. For example, a set and all its subsets should constitute one block in the sets section.
• Names are intended to be meaningful. Follow conventions
  • Items with the same name represent the same concept in different models
  • Units should be used in all definitions
  • Parameters are named pParameterName (e.g., pOperReserveDw)
  • Variables are named vVariableName (e.g., vReserveDown)
  • Equations are named eEquationName (e.g., eOperReserveDw)
  • Use short set names (one or two letters) for easier reading
• Equations are laid out as clearly as possible
• Use the same layout for all equations, with the left-hand side on one line and the right-hand side on another line, indented by a tab
• Good Optimisation Modelling Practices