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SDDP

SDDP 18.0.3rc3

📅 Date: 2025-08-19
🔗 Download: Windows | Linux

Operation Planning Module (SDDP)

Fixed issues

  • Fixed an specific issue that prevented the execution when using the Markov inflow model
  • Included the representation of the start-up cost for hydro plants with commitment representation in the block resolution

Graphical user interface

Fixed issues

  • Fixed import/export of blank values in the historical inflow data per stage
  • Fixed file format of the hourly historical inflow data

SDDP 18.0.3rc2

📅 Date: 2025-08-13
🔗 Download: Windows | Linux

Maintenance Planning Module (OptMain)

Fixed issues

  • Fixed an error related to weekly stages cases

SDDP 18.0.3rc1

📅 Date: 2025-08-07
🔗 Download: Windows | Linux

Operation Planning Module (SDDP)

Fixed issues

  • Fixed the loading of CSP bus connection

Expansion Planning Module (OptGen)

Fixed Issues

OptGen 2

  • Fixed an error related to the installed capacity of future projects in min/max investment constraints
  • Fixed an error in generic operative constraints including demand segment variables
  • Fixed an error related to operative generic constraints
  • Fixed an error in generic operative constraints including demand segment variables

New features and improvements

OptGen 2

  • Improve warning message of excess generation infeasibility showing the name of each bus/area/system where it occurs

SDDP 18.0.2

📅 Date: 2025-08-01
🔗 Download: Windows | Linux

Operation Planning Module (SDDP)

Fixed issues

  • Fixed the writing of some outputs in typical days execution with aggregation in the policy phase
  • Hourly representation
    • Fixed the consideration of generation offers

Expansion Planning Module (OptGen)

Fixed Issues

OptGen 1

  • Fixed an error with energy efficiency projects with data defined in p.u of the demand
  • Fixed an error when there are generic investment constraints and no min/max constraint
  • Fixed errors when running OptGen with PSRCloud 5.4

OptGen 2

  • Fixed data validation issues when running with TSL scenarios
  • Fixed an error related to reserve requirement constraints backing DC Links
  • Fixed an error related to the DPR calculations when there are renewable projects being backed

New features and improvements

OptGen 2

  • Added debug output files to generic investment constraints (opt2_genericlhs.csv, opt2_genericrhs.csv, opt2_genericagents.csv, opt2_genericdbg.csv)

SDDP 18.0.2rc8

📅 Date: 2025-07-29
🔗 Download: Windows | Linux

Operation Planning Module (SDDP)

Fixed issues

  • Adjustment in hydro capacity output (phidsf.csv) to consider piecewise functions involving maximum turbining

SDDP 18.0.2rc7

📅 Date: 2025-07-23
🔗 Download: Windows | Linux

Operation Planning Module (SDDP)

New features and improvements

  • New output: generic linear constraint value

SDDP 18.0.2rc6

📅 Date: 2025-07-17
🔗 Download: Windows | Linux

Operation Planning Module (SDDP)

Fixed issues

  • Fixed a memory invasion issue in coordinated cases

SDDP 18.0.2rc5

📅 Date: 2025-07-15
🔗 Download: Windows | Linux

Operation Planning Module (SDDP)

Fixed issues

  • Added missing dependencies to Linux setup
  • Fixed energy efficiency OptGen cuts when defined in per-unit (pu)
  • Fixed generic constraints and thermal emissions consideration in coordinated policy execution

Graphical user interface

Fixed issues

  • Fixed registration of multi-fuel thermal plants
  • Fixed database conversion when battery modification file contains non-existent elements

SDDP 18.0.2rc4

📅 Date: 2025-07-14
🔗 Download: Windows | Linux

Operation Planning Module (SDDP)

Fixed issues

  • Fixed coordinated execution with network representation

Graphical user interface

Fixed issues

  • Changed column type for thermal plant maximum generation to enable proper filtering

SDDP 18.0.2rc3

📅 Date: 2025-07-12
🔗 Download: Windows | Linux

Graphical user interface

New features and improvements

  • Reduced minimum installation requirements to Windows 8.1 and Windows Server 2012 R2. For versions below Windows 10 and Windows Server 2016, it will be necessary update the WebView2 component during SDDP’s installation

SDDP 18.0.2rc2

📅 Date: 2025-07-11
🔗 Download: Windows | Linux

Operation Planning Module (SDDP)

Fixed issues

  • Fixed the consideration of fuel prices varying per scenario

SDDP 18.0.2rc1

📅 Date: 2025-07-09
🔗 Download: Windows | Linux

Expansion Planning Module (OptGen)

Fixed issues

  • Fixed an error related to demand-based requirement constraints

SDDP 18.0.1

📅 Date: 2025-07-03
🔗 Download: Windows | Linux

Official release