The linear programming framework of the model
comprises an objective function to minimize total energy
system cost year by year subject to a number of constraints
including those on service demand, energy resource
availability, existing device stock, maximum allowable
quantity of devices and emissions. The total cost comprises
of annualized fixed cost of recruited devices during that
year, variable operating cost (operation and maintenance
cost of devices, and fuel cost), cost of installing removal
devices (flue gas desulfurizers for pulverized coal fired
power plants, etc.) and cost of emissions taxes (carbon tax,
energy tax, etc.). The formulation also provides functions
to consider the existing device quantities in the starting
year of the planning horizon and to calculate the retirement
of the devices at the end of its life time.
The linear programming framework of the model
comprises an objective function to minimize total energy
system cost year by year subject to a number of constraints
including those on service demand, energy resource
availability, existing device stock, maximum allowable
quantity of devices and emissions. The total cost comprises
of annualized fixed cost of recruited devices during that
year, variable operating cost (operation and maintenance
cost of devices, and fuel cost), cost of installing removal
devices (flue gas desulfurizers for pulverized coal fired
power plants, etc.) and cost of emissions taxes (carbon tax,
energy tax, etc.). The formulation also provides functions
to consider the existing device quantities in the starting
year of the planning horizon and to calculate the retirement
of the devices at the end of its life time.
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