Submitter Variables Constraints Density Status Group Objective MPS File
Paula Carroll 61728 104259 8.13054e-05 easy 3723497.591396 irish-electricity.mps.gz

Unit Commitment - Irish Test systems We submit a sample Unit Commitment test instance based on an Irish case study. We include a readme file, a solution file, and additional data so that users may generate further UC test instances.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 61728 52735
Constraints 104259 82917
Binaries 9888 9286
Integers 0 0
Continuous 51840 43449
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 8.13054e-05 1.07359e-04
Nonzeroes 523257 469443
Constraint Classification Properties
Original Presolved
Total 104259 82917
Empty 0 0
Free 0 0
Singleton 16041 0
Aggregations 0 0
Precedence 5216 8119
Variable Bound 20624 18144
Set Partitioning 0 0
Set Packing 0 0
Set Covering 9114 0
Cardinality 4 0
Invariant Knapsack 0 9527
Equation Knapsack 0 0
Bin Packing 279 1220
Knapsack 0 5483
Integer Knapsack 0 0
Mixed Binary 52981 40424
General Linear 0 0
Indicator 0 0

Structure

Available nonzero structure and decomposition information. Further information can be found here.

value min median mean max
Components 2.429752
Constraint % 0.00121 0.191223 0.00362 2.069540
Variable % 0.00379 0.145639 0.00569 0.910039
Score 0.508349

Best Known Solution(s)

Find solutions below. Download the archive containing all solutions from the Download page.

ID Objective Exact Int. Viol Cons. Viol Obj. Viol Submitter Date Description
1 3723498 3723498 0 0 0 - 2018-10-13 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to irish-electricity in the collection. This similarity analysis is based on 100 scaled instance features describing properties of the variables, objective function, bounds, constraints, and right hand sides.

Instance Variables Binaries Integers Continuous Constraints Nonz. Submitter Group Status Objective
uccase7 33020 7224 0 25796 47132 335644 Daniel Espinoza uccase open 26834.36246165*
uccase9 33242 8064 0 25178 49565 332316 Daniel Espinoza uccase easy 10993.131409
uccase8 37413 9576 0 27837 53709 214625 Daniel Espinoza uccase easy 11167.74532
uccase10 110818 16800 0 94018 196498 787045 Daniel Espinoza uccase open 39134.295915*
neos-4264598-oueme 54550 13370 0 41180 54714 191146 Jeff Linderoth neos-pseudoapplication-57 open 6038453.676499*

Reference

@CONFERENCE{Carroll_UC,
  author =       {Paula Carroll and Damian Flynn and Bernard Fortz and Alex Melhorn},
  title =        {{Sub-hour Unit Commitment MILP Model with Benchmark Problem Instances}},
  booktitle =    {Computational Science and Its Applications – ICCSA 2017},
  year =         {2017},
  editor =       {Osvaldo Gervasi and Beniamino Murgante and Sanjay Misra and Giuseppe Borruso and Carmelo M. Torre and Ana Maria A.C. Rocha
and  David Taniar and Bernady O. Apduhan and Elena Stankova and Alfredo Cuzzocrea },
  volume =       {10405},
  pages  =       {--},
  address =      {Trieste, Italy},
  month =        {July},
  publisher =    {Lecture Notes in Computer Science (LNCS)},
  doi = {10.1007/978-3-319-62395-5},
  note = { to appear},
}

Last Update Nov 09, 2018 by Gregor Hendel
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