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SDDP

SDDP 15.0.4

đź“… Date: 2018-09-28
đź”— Download: Windows | Linux

New Features and Improvements

  • Model
    • maximum number of thermal plants increased to 3,000
    • maximum number of renewable plants increased to 3,000
  • GUI
    • added export/import function for hydro and thermal spinning reserve data
  • PowerView updated to version 1.15.0

Fixed Bugs

  • Model
    • fixed an error in the modeling of batteries with minimum storage modification data
    • fixed an error in the balance equation of non-existing batteries at current stage
  • GUI
    • fixed a date formatting error for some regional settings
    • fixed an error while searching circuits in the sum of circuits flows screen

SDDP 15.0.3

đź“… Date: 2018-09-06
đź”— Download: Windows | Linux

New Features and Improvements

  • Model
    • added an option to extend future cost functions in order to extend simulation horizon
  • Graph (updated to version 2.28)

Fixed Bugs

  • Model
    • fixed a random error while reading the hour-block mapping
  • GUI
    • fixed an error when clicking on the “Operative state” header in the circuit modification screen
    • fixed an error that was causing the “Emission coefficient” value to be missing in the thermal modification screen
  • Graph
    • fixed an error related to agents whose names start with spaces

SDDP 15.0.2

đź“… Date: 2018-08-30
đź”— Download: Windows | Linux

New Features and Improvements

  • Model
    • added the options to represent O&M cost and spilling penalty for renewables
    • added an option to send the full beta matrix to the hourly operation
    • added an option in CORAL to print the states of all generators in configurations with power not supplied
    • added new representation for hydro plants: maximum operative storage
    • Hourly representation
      • inclusion of the CO2 emission cost
      • inclusion of the gas network modeling
      • inclusion of battery’s charge/discharge ramps
      • inclusion of the target storage penalty option with water values (keyword NCPL_TERF 3)
      • inclusion of the following outputs:
        • Stored energy
        • Storage energy by reservoir
        • Gas production
        • Pipeline flow
        • Gas production marginal cost
      • improvement on the calculation of the number of threads to be used by each process in parallel executions
  • GUI
    • added new option for renewable data resolution (“external data: TSL”)
    • added the O&M cost and curtailment for renewable plants
    • added new data for single reservoir constraints: maximum operative storage
    • changed the control to set circuit status on circuit modification screen

Fixed Bugs

  • Model
    • fixed an error in the calculation of the surplus of forced generation
    • fixed an error which was making SDDP delete, after an execution, the renewable scenarios data generated by TSL
    • fixed an error associated to future gas nodes representation
    • fixed an error that occurs when all renewable stations use unit scenario
    • fixed an error in the calculation of the contribution of ToP contracts in the total cost
    • fixed an error associated to reservoir constraints of future plants
    • fixed an error in CORAL option to represent hydro generation limits
    • Hourly representation
      • fixed an error when writing the following output: “Interconnection flow”
      • fixed an error when writing the following outputs: “Circuit flow” and “Circuit losses”
      • fixed an error associated to consumption segments for thermal plants with concave consumption function
      • fixed an error when reading the initial battery storage
  • GUI
    • fixed a critical error that was making the fuel prices data to be lost when a fuel was renamed
    • fixed an error in the elimination of a plant (hydro or thermal), which was keeping the plant associated to a bus (in cases with transmission network)
    • fixed an error on export/import data from renewable modification

SDDP 15.0.2rc7

đź“… Date: 2018-05-16
đź”— Download: Windows | Linux

New Features and Improvements

  • Model
    • Hourly representation
      • improvements in the feasibility check routines
  • GUI
    • added new data for georeferencing information (latitude and longitude) of generation agents such as hydro, thermal and renewable plants and batteries

Fixed Bugs

  • Model
    • Hourly representation
      • fixed an error in the usage of generation constraint limits for pumped-storage plants
      • fixed spillage penalty for hydro plants with non-controllable spillage
  • GUI
    • fixed an error in the exhibition of the element counter situated in upper right corner when the filter is active

SDDP 15.0.2rc6

đź“… Date: 2018-04-30
đź”— Download: Windows | Linux

New Features and Improvements

  • Model
    • new modification data for batteries: minimum storage
  • GUI
    • added a new check to avoid trying to load very large scenario files that cannot be loaded by the interface

SDDP 15.0.2rc5

đź“… Date: 2018-04-20
đź”— Download: Windows | Linux

New Features and Improvements

  • Model
    • number of interconnections and circuits between systems increased to 700
    • implemented dynamic memory allocation for electric areas data

Fixed Bugs

  • Model
    • fixed an error in the sum of circuit flows constraints having DC links

SDDP 15.0.2rc4

đź“… Date: 2018-04-19
đź”— Download: Windows | Linux

New Features and Improvements

  • Model
    • number of electric areas increased to 150

SDDP 15.0.2rc3

đź“… Date: 2018-04-13
đź”— Download: Windows | Linux

Fixed Bugs

  • Model
    • Hourly representation
      • fixed an error that occurred in cases that were previously run by OptGen (expansion planning tool)

SDDP 15.0.2rc2

đź“… Date: 2018-04-10
đź”— Download: Windows | Linux

Fixed Bugs

  • Model
    • Hourly representation
      • fixed the definition of combined cycle operative state

SDDP 15.0.2rc1

đź“… Date: 2018-04-02
đź”— Download: Windows | Linux

New Features and Improvements

  • Model
    • disabled the maximum number of processes in parallel runs with more than one computer in the cluster

Fixed Bugs

-GUI

  • fixed an error while saving empty hourly scenario files which was causing errors in executions with hourly representation

SDDP 15.0.1

đź“… Date: 2018-03-28
đź”— Download: Windows | Linux

New Features and Improvements

  • Model
    • New output: “block duration in p.u.”, can be used in weighted average calculations
  • GUI
    • re-enabled the possibility to run parallel executions with more than one computer. The cluster configuration can be defined in the “Run > Cluster configuration” menu

Fixed Bugs

  • Model
    • Hourly representation
      • fixed the representation of thermal plants with concave consumption curves -GUI
    • fixed an error in the generation reserve screen

SDDP 15.0.1rc10

đź“… Date: 2018-03-16
đź”— Download: Windows | Linux

New Features and Improvements

  • Model
    • Hourly representation
      • big improvement on the representation of network variables and constraints that might result in high reduction in computational time
      • adjustments in the setting of the optimization solver parameters to improve stability and overall speed in the solution process
      • default MIP relative tolerance changed to 0.5%
      • new output: “Generation excess per system” (renewable curtailment)
  • GUI
    • included the emission cost component of thermal operative cost in the “View operation costs” functionality in “Thermal plants configuration” screen

Fixed Bugs

  • Model
    • Hourly representation
      • fixed an error in the representation of sum of circuit flows that could result in model infeasibilities
      • fixed an error in the representation of elastic demands with more than one segment
      • fixed an error in the representation of the discount factor associated to the Future Cost Function
      • fixed an error in the representation of forced generation of must-run thermal plants for cases in which the forced generation is equal to zero
    • fixed a configuration issue that cause the graph module to incorrectly calculate the aggregation per hour/block and year of the following outputs:
      • Start-up Cost Data
      • Future cost
      • Maximum withdrawal per contract
      • Max. fuel reservoir injection
      • Max. fuel reservoir withdrawal

SDDP 15.0.1rc9

đź“… Date: 2018-03-03
đź”— Download: Windows | Linux

Fixed Bugs

  • Model
    • Hourly representation
      • fixed an error in the representation of generation constraints
      • fixed an error when writing “Final storage (%)” output
    • fixed an error in the calculation of total secondary reserve costs in “Operation costs” report and “Costs by category” output
    • fixed a configuration that caused graph module to incorrectly calculate the aggregation per year of the following outputs by averaging the values per stage instead of summing them:
      • Costs by category
      • Immediate cost per system
      • Future cost
      • Contract cost
      • ToP cost per contract
      • Viol. cost of irrigation
      • Viol. cost Risk Aversion Curve
  • GUI
    • removed battery charge and discharge tables that are not used by the model

SDDP 15.0.1rc8

đź“… Date: 2018-03-02
đź”— Download: Windows | Linux

New Features and Improvements

  • Model
    • re-implementation of the routines for writing outputs in parallel executions aiming at improving stability and speed

Fixed Bugs

  • Model
    • fixed a specific error that makes the program crash in coordinated cases in which the first system does not need to perform an operation policy calculation (such as purely thermal systems) when the case is run in parallel mode

SDDP 15.0.1rc7

đź“… Date: 2018-03-01
đź”— Download: Windows | Linux

New Features and Improvements

  • Documentation
    • included documentation for batteries

Fixed Bugs

  • Model
    • Hourly representation
      • fixed an error in the “Hour-block mapping” output
      • fixed an error in the “Operation costs breakdown” report (sddpcope.csv)
  • GUI
    • fixed an error in the reduced uncertainty screen for cases with incomplete data
    • fixed an error in the hydro modification screen with an active filter

SDDP 15.0.1rc6

đź“… Date: 2018-02-20
đź”— Download: Windows | Linux

New Features and Improvements

  • Model
    • improved memory management for master process in parallel executions (less RAM memory usage)

Fixed Bugs

  • Model
    • Hourly representation
      • fixed “Load marginal cost” output for cases with transmission network representation
      • fixed hydro power availability for plants with variable production factor
      • fixed the sign of “Marginal value of water” output

SDDP 15.0.1rc5

đź“… Date: 2018-02-15
đź”— Download: Windows | Linux

Fixed Bugs

  • Model
    • removed some debug/log messages that have been added incorrectly and that slowed down the execution of cases with transmission network representation

SDDP 15.0.1rc4

đź“… Date: 2018-02-08
đź”— Download: Windows | Linux

New Features and Improvements

  • Model
    • “Final head” output has been changed to include hydro reservoirs with “Storage x Elevation” table only
    • added new check on the consistency of the data defined for hydro installed capacity and the production factor times the maximum turbining outflow
    • Hourly representation
      • improvement in solver management routines for specific cases presenting numerical stability problems
      • several enhancements in the solution quality verification process

Fixed Bugs

  • Model
    • fixed an error for cases in which the first system has no renewable plant but the renewable stations scenarios are defined with hourly resolution
    • Hourly representation
      • fixed an error in the transmission losses representation
      • fixed an error in the Future Cost Function representation for cases with dead storage fill-up
      • fixed an error in the representation of demand uncertainty
      • fixed an error in the representation of area export & import constraints
      • fixed an error in the “Load marginal cost” output for systems without demand
  • GUI
    • fixed an error while loading a case after deleting elastic load data
    • fixed an error that was preventing the opening of cases with hourly load defined but without load per block data
    • fixed an error while accessing the DrawHydro tool when multiple instances of SDDP are opened
  • Binary/CSV conversion tool
    • fixed an error that could mae the program crash in some specific cases

SDDP 15.0.1rc3

đź“… Date: 2018-01-25
đź”— Download: Windows | Linux

New Features and Improvements

  • GUI
    • increased the number of decimal places of the weights for the Markov inflow model
  • Graph (updated from version 2.21 to 2.22)

Fixed Bugs

  • Model
    • fixed an error in the hot-start functionality
    • fixed an error in the extended format for circuit configuration and modification files for cases with circuits with 5-digit codes
  • GUI
    • fixed an error in the directory selection screen that prevent opening cases with network paths

SDDP 15.0.1rc2

đź“… Date: 2018-01-19
đź”— Download: Windows | Linux

Fixed Bugs

  • Model
    • fixed an error while running along with OptGen or CSV option

SDDP 15.0.1rc1

đź“… Date: 2017-01-10
đź”— Download: Windows | Linux

Fixed Bugs

  • Model
    • fixed an error while reading the file of Markov clusters for inflows
    • fixed an error in the hydro accumulated production factor output

SDDP 15.0

đź“… Date: 2018-01-09
đź”— Download: Windows | Linux

Please refer to the “# SDDP 15.1 Readme” file for the release notes: