Linking the TIMES undiscounted cost outputs to the objective function
#2
Indeed you are right that calculating the contribution to the objective function from each technology is very time-consuming. But TIMES does all that for you, and therefore I don't actually understand why you are trying to do the same calculations again by yourself?

I am myself not going to look at your example in detail without seeing all the TIMES switches that have been used. But anyway, you should be able to reproduce the objective function easily, by using the following switches:

$SET OBLONG YES
$SET ANNCOST LEV

And then, use Time_NPV for discounting the undiscounted annual cost results (of course excluding salvage and implied trade costs). Admittedly, I have never tested it under time-dependent general discount rates, though. But I suspect that you have not been using $SET ANNCOST LEV, and if so, then you can only expect to see the annual costs reported as they occur in the milestone years.

See also the following threads for quite similar questions:
http://forum.kanors-emr.org/showthread.php?tid=578
http://forum.kanors-emr.org/showthread.php?tid=614
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RE: Linking the TIMES undiscounted cost outputs to the objective function - by Antti-L - 13-08-2019, 04:50 AM

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