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OptGen

OptGen 8.0.21

📅 Date: 2024-01-12
🔗 Download: Windows | Linux

Fixed Bugs

  • OptGen 1
    • Added an error when the user selects a user-defined expansion plan and the user-defined file is not found
    • Fixed an error related to the inflow files for cases with SDDP Scenarios
    • Fixed an error on the lower bound calculation when the operating cost may be negative
  • OptGen 2
    • Fixed an error related to min/max constraints verification when it’s not selected
    • Fixed an error related to the maintenance of the thermal and hydro plants
    • Fixed the unit of the reserve marginal cost (opt2_cmgres) output file
    • Fixed an error with integer modules with a maximum number of modules equal to zero (now the project will be ignored)
    • Fixed an error related to multiple projects substituting the same plant
  • IHM
    • Fixed an error with the default values of firm capacity/energy when no plant has firm capacity/energy value defined

OptGen 8.0.20

📅 Date: 2023-09-18
🔗 Download: Windows | Linux

New Features and Improvements

  • IHM
    • Added a functionality to add a description of the case

Fixed Bugs

  • OptGen 1
    • Fixed an error related to the SDDP import functionality (including all technologies, such as batteries and eletrification)
    • Fixed an error related to the substitution of agents (now the model is allowed to have multiple projects replacing the same agent)
    • Fixed an error related to weekly stages cases
    • Fixed an error related to obligatory projects with fixed date out of case horizon
    • Fixed an error related to the file “sddpconv” that it’s not created by SDDP anymore
    • Fixed an error on the entrance unit shedule when the entrance month was a multiple of 12
    • Fixed an error related to the logic for replacing agents that have “dummies” (multi-fuel and 3-winding transformers) - It was necessary to add 3 new columns in the datprjc.csv file (information of the replaced agent)
    • Fixed the “optsol01.csv” report by showing an identification for project replacement
    • Fixed an error related to executions with reliability and with the restart flag activated
  • OptGen 2
    • Fixed an error related to the hourly balance of hydro plants reservoir
    • Fixed an error related to chronological deficit costs
    • Fixed non-thermoeletric load (gas) deficit cost when thermal costs are being considered in gas network modelling

OptGen 8.0.19

📅 Date: 2023-06-29
🔗 Download: Windows | Linux

Fixed bugs

  • OptGen 1
    • Fix an error related to unit entrance schedule modeling
    • Fix an error related to PSRIO on PSRCloud executions
  • OptGen 2
    • Fix an error where substituted existing thermal plants were providing thermal reserve to the model

OptGen 8.0.18

📅 Date: 2023-06-20
🔗 Download: Windows | Linux

New Features and Improvements

  • OptGen 1
    • Now the model has an option to build precedence constraints with continuous variable projects where the first one must be fully built before the following project

Fixed bugs

  • OptGen 1
    • Fixed an error related to the integration between OptGen and SDDP inflows through the forw.dat file
    • Fixed an error related to the “VIVF” option
  • OptGen 2
    • Fixed an error related to the standalone linux installation
    • Fixed the relationship between multi fuel thermal plants and the gas network nodes
    • Fixed an error related to area import/export constraints when the integration with NetPlan is turned on
    • Fixed an error related to the considering of the fail probability of renewable plants
    • The model now considers thhe flag to disconsider a demand or not in SDDP

OptGen 8.0.17

📅 Date: 2023-05-02
🔗 Download: Windows | Linux

Fixed bugs

  • OptGen 1
    • Fixed an error related to expansion decisions dates when the case has weekly stages
  • OptGen 2
    • Fixed an error in which the model did not correct the firm capacity of thermal plants with decommissioning
    • Fix relationship between thermal plants and gas nodes when there are multi-fuel plants
    • Fixed an error related to CSP variables for future non-project plants

OptGen 8.0.16

📅 Date: 2023-04-16
🔗 Download: Windows | Linux

Fixed bugs

  • OptGen 1
    • Fixed errors related to installation on Linux OS

OptGen 8.0.15

📅 Date: 2023-03-23
🔗 Download: Windows | Linux

Fixed bugs

  • OptGen 1
    • Fixed an error to avoid identifying projects that have minimum entrance date after the end of the horizon as belong=NO so as not to disturb the precedence constraint logic when using the rolling horizon strategy
  • OptGen 2
    • Fixed an error related to the variability of the flexible demand

OptGen 8.0.14

📅 Date: 2023-03-07
🔗 Download: Windows | Linux

Fixed bugs

  • OptGen 2
    • Fixed an error related to the commitment variable of thermal projects with integer investment variable

OptGen 8.0.13

📅 Date: 2023-02-28
🔗 Download: Windows | Linux

Fixed bugs

  • IHM
    • Fixed an error when adding N/I projects
  • OptGen 1
    • Increased the feasibility tolerance for the min/max constraints
    • Fixed an error related to min/max constraints with a maximum date after the end of the horizon. In this case, only minimum constraints may be relaxed

OptGen 8.0.12

📅 Date: 2023-02-08
🔗 Download: Windows | Linux

Fixed bugs

  • OptGen 1
    • Fixed an error where the model freezes at the end of the execution in Linux OS

OptGen 8.0.11

📅 Date: 2023-01-23
🔗 Download: Windows | Linux

New Features and Improvements

  • OptGen 1
    • Write decommissioning decisions on optgen.out, optsol01.csv and outidec.csv files

Fixed Bugs

  • OptGen 1
    • Fixed an error related to the invesment date of fixed decisions in the project screen (minimum date = maximum date)
    • Fixed an error with the modifications file when running with the integration with NetPlan
    • Fixed an error when running the model with fixed policy on SDDP (the case crashes when the file vinsim.sav exists due to a previous execution)
  • OptGen 2
    • Fixed an error in the general constraints modeling when there are elastic demand variables selected
    • Fixed an error with USCN option when the case has power injection data (the USCN option won’t impact the injection data anymore)
  • IHM
    • Fixed numerical errors related to the user-defined expansion plan

OptGen 8.0.10

📅 Date: 2023-01-11
🔗 Download: Windows | Linux

Fixed Bugs

  • OptGen 1
    • Fixed an error related to the restart option with a fixed user-defined plan
    • Fixed an error in the rolling horizon when there is no hydro plant in the case and the model tries to copy the inflow.csv file
    • Fixed how the model handles capacity constraints when the maximum date is outside the study horizon. Now it’s always ignored independently on its type (total or incremental)
  • OptGen 2
    • Fixed an error when there are fixed projects in the user-defined plan with 0 MW of capacity (hydro reservoirs for example)
  • IHM
    • Fixed errors related to the integration with NetPlan

OptGen 8.0.9

📅 Date: 2022-11-30
🔗 Download: Windows | Linux

New Features and Improvements

  • OptGen 2
    • The second kirchoff law for circuit projects is now activated by default
  • IHM
    • Now the interface allows adding multiple projects at the same time

Fixed Bugs

  • OptGen 1
    • Fixed an error related to the lower-bound when the consecutive iteration heuristics is being used
  • OptGen 2
    • Improved the performance of the optimization problem when the case has generic constraints in SDDP
    • Fixed an error related to renewables and batteries in SDDP generic constraints

OptGen 8.0.8

📅 Date: 2022-11-16
🔗 Download: Windows | Linux

Fixed Bugs

  • OptGen 2
    • Fixed an error with NetPlan integration when the SDDP network files are also in the case
    • Fixed an error with an output file of the CSP operation

OptGen 8.0.7

📅 Date: 2022-11-01
🔗 Download: Windows | Linux

New Features and Improvements

  • OptGen 1
    • Fixed an error related to the generation of dashboard files

OptGen 8.0.6

📅 Date: 2022-10-28
🔗 Download: Windows | Linux

New Features and Improvements

  • OptGen 1
    • Added the possibility to restart the execution after an unexpected interrumption
  • OptGen 2
    • Added the possibility to run OptGen 2 with a fixed user-defined plant (“FOPT,2” in the “datoption.csv” file)
    • Added the output files “opt2_firmcaprhs” and “opt2_firmenerhs” with the firm energy and capacity annual requirement

Fixed Bugs

  • OptGen 1
    • Fixed an error related to 3-winding transformer memory allocation
    • Fixed an error related to unidentified projects in the chronological investment cost file

OptGen 8.0.5

📅 Date: 2022-10-03
🔗 Download: Windows | Linux

Fixed Bugs

  • OptGen 1
    • Fixed an error related to hotstart execution (restart after an unexpected error)

OptGen 8.0.4

📅 Date: 2022-09-26
🔗 Download: Windows | Linux

Fixed Bugs

  • OptGen 1
    • Fixed an error when the case doesn’t have a defined demand for every system
    • Now, when the final simulation of SDDP crashes, OptGen will always recover the operation policy if it’s available
    • Fixed an error related to the TSL scenarios when the sizing strategy is activated
    • Fixed the format of the explog file when the case has more than 500 projects
  • OptGen 2
    • Fixed an error related to batteries on firm energy constraints

OptGen 8.0.3

📅 Date: 2022-09-08
🔗 Download: Windows | Linux

Fixed Bugs

  • OptGen 1
    • Fixed the 3 Winding Transformers “Big-M” calculation
  • OptGen 2
    • Allow overwriting any solver control defined internally by the model thourgh the optgxpress.dat file
    • Fixed an error related to the consideration of hourly demand scenarios

OptGen 8.0.2

📅 Date: 2022-07-25
🔗 Download: Windows | Linux

Fixed Bugs

  • OptGen 1
    • Fixed an error related to investment in 3 winding transformers projects
  • OptGen 2
    • Fixed an error related to curtailment and O&M costs of renewable plants

OptGen 8.0.1

📅 Date: 2022-07-11
🔗 Download: Windows | Linux

Fixed Bugs

  • OptGen 1
    • Fixed an error related to the identification of repeated solutions during the consecutive iterations heuristics
    • Fixed an error in a execution with restart when the previous optimal expansion plan is infeasible (the model must continue the optimization disregarding the previous plan)

OptGen 8.0.0

📅 Date: 2022-06-24
🔗 Download: Windows | Linux

Please refer to the “OptgenReleaseNotes-8.0” file for the release notes (./Docs/OptgenReleaseNotes-8.0-ENG.pdf)