I'm pretty sure those costs were invented out of thin air by the cdf2matp.m 
function. You could look at the code to see how they were generated. 
Unfortunately, since I didn't write that code, I'm not sure of the reasoning 
behind the values chosen.

-- 
Ray Zimmerman
Senior Research Associate
B30 Warren Hall, Cornell University, Ithaca, NY 14853
phone: (607) 255-9645





On Aug 4, 2013, at 8:38 AM, Stephan Hutterer <[email protected]> wrote:

> Dear Matpower-developers,
> 
> the IEEE power flow test cases (14-bus - 300-bus) are provided with the 
> Matpower source-files. Within these files, generation cost data is given as 
> well (which is noch defined in the original test case archive at 
> http://www.ee.washington.edu/research/pstca/). Is there any literature where 
> the cost-data is from?
> 
> I am asking since I am developing OPF methods and would like to know where 
> the cost data comes from.
> 
> Thanks for your valuable help!
> 
> Kind regards
> Stephan Hutterer
> 
> 

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