Download CHAPTER 6 TECHNICAL OPERATING INSTRUCTIONS The long

Long Term Model USER MANUAL, February 2001
6.7.3
Question: Where do I see the list of chosen projects from the optimization?
Answer:
The country output files show the expansions for each country, the
type of technology, and the MW quantities. The projects file shows all of the chosen
projects in the region (Country.out and Projects.out).
6.7.4
Question: Where do I find the benefits of joint planning for my country?
Answer: First run the free trade option, taking the final cost, and then run the
fixed trade option taking the final cost. The difference between the two final costs
gives the benefits from joint planning.
6.7.5
Question: Where can I find the annual energy imports over time and the grand
total for my country?
Answer: Trade.out and Country.out.
6.8
6.8.1
Questions Related to the Formulation
Question: What are the pros/cons of choosing expansion to be continuous,
rather than multiples of fixed plant sizes?
Answer: pro- quicker solution time, con- round-off error.
6.8.2
Question:
Can I select which variables are continuous, which are fixed
multiples, or must I declare all to be one or the other?
Answer: You can select any or all to be either continuous or discreet.
6.8.3
Question: What criteria should I use to decide if a capacity expansion variable
should be continuous, or multiples of a fixed size?
Answer: Two factors:
(a) the availability of units in many sizes (simple turbines),
(b) the importance that the unit plays in the solution.
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