SDDP 17.3.9rc4

📅 Date: 2024-11-18
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Removed network data validation in cases without network representation
  • Hourly representation
    • Fixed generic linear constraints per stage por variables defined in MW

SDDP 17.3.9rc3

📅 Date: 2024-11-14
🔗 Download: Windows | Linux

Fixed bugs

• DPR calculator
  • Fixed TSL renewable scenarios horizon validation

SDDP 17.3.9rc2

📅 Date: 2024-11-12
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Included the option to inform battery joint reserve maximum offer in %

SDDP 17.3.9rc1

📅 Date: 2024-11-11
🔗 Download: Windows | Linux

New features and improvements

• Post-contingency analysis
  • New option to show circuits above a loading threshold

SDDP 17.3.8

📅 Date: 2024-11-08
🔗 Download: Windows | Linux

Official release

SDDP 17.3.8rc9

📅 Date: 2024-11-07
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed an issue that could cause a crash in the solution of MIP problems

SDDP 17.3.8rc8

📅 Date: 2024-11-04
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Hourly representation
    • Fixed circuit flow limit constraints when contingencies are represented

SDDP 17.3.8rc7

📅 Date: 2024-11-01
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed sum of interconnection data validation
  • Hourly representation
    • Fixed the consideration of reserve sharing constraints

SDDP 17.3.8rc6

📅 Date: 2024-10-25
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Included hourly resolution for inflow energy outputs

Fixed bugs

• GUI
  • Fixed the deletion of hydro plants

SDDP 17.3.8rc5

📅 Date: 2024-10-24
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed hourly historical inflows horizon validation

SDDP 17.3.8rc4

📅 Date: 2024-10-22
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Improved time performance

SDDP 17.3.8rc3

📅 Date: 2024-10-18
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed writing of renewable capacity scenario output (potgnd.csv)
  • Hourly representation
    • Fixed the FOR application with the hourly maintenance schedule for thermal and hydro plants

SDDP 17.3.8rc2

📅 Date: 2024-10-11
🔗 Download: Windows | Linux

Fixed bugs

• GUI
  • Fixed an issue that didn’t allow a stochastic policy with the simulation of one selected scenario to be executed in parallel mode

SDDP 17.3.8rc1

📅 Date: 2024-10-04
🔗 Download: Windows | Linux

Fixed bugs

• GUI
  • Fixed an issue in the maintenance optimization screen

SDDP 17.3.7

📅 Date: 2024-10-01
🔗 Download: Windows | Linux

Official release

SDDP 17.3.7rc6

📅 Date: 2024-10-01
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed investment cuts for Optgen integration for circuits in generic constraints

SDDP 17.3.7rc5

📅 Date: 2024-09-25
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Improved memory use during the execution

SDDP 17.3.7rc4

📅 Date: 2024-09-20
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Hourly representation
    • Fixed an isssue in the thermal plant output writing that prevented the execution

SDDP 17.3.7rc3

📅 Date: 2024-09-17
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Hourly representation
    • Fixed the consideration of water losses for downstream hydro plants

SDDP 17.3.7rc2

📅 Date: 2024-09-10
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Improved standard dashboard generation time

SDDP 17.3.7rc1

📅 Date: 2024-09-03
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed the coupling between different Optgen rolling horizons for cases with the typical day representation or with state variables other than hydro reservoirs
  • Hourly representation
    • Adjusted the initial conditions for pumping hydro stations

SDDP 17.3.6

📅 Date: 2024-08-30
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed the transmission losses linearizations for phase shifters
  • Fixed an issue in the inflow modeling with Markov in simulations that begin after the first stage of the policy
  • Hourly representation
    • Fixed the application of the joint reserve requirement linear coefficient when it is set to 0

SDDP 17.3.6rc14

📅 Date: 2024-08-26
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Added single reserve for batteries

SDDP 17.3.6rc13

📅 Date: 2024-08-22
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Adjusted the available thermal capacity output to reflect the operation decision when the combined cycles are optimized

SDDP 17.3.6rc12

📅 Date: 2024-08-15
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Added fuel reservoir final storage variables to the generic constraints

SDDP 17.3.6rc11

📅 Date: 2024-08-14
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Included a validation for potential numerical issues caused by the definition of the thermal consumption curve segments

Fixed bugs

• Model
  • Fixed a possible infeasibility source in the first backward, due to modifications of the fuel reservoir maximum storage
  • Hourly representation
    • Fixed the calculation of the thermal/hydro single reserve requirement

SDDP 17.3.6rc10

📅 Date: 2024-08-13
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Improved hydro storage tables validation for future plants
  • New output: battery initial storage (batstgi.csv)

SDDP 17.3.6rc9

📅 Date: 2024-08-08
🔗 Download: Windows | Linux

Fixed bugs

• GUI
  • Fixed the display of the advanced properties window
  • Fixed an issue that prevented the generation of the hour-block remap by the clustering tool
• Model
  • Hourly representation
    • Fixed the consideration of hydro outflow x tailwater elevation seasonal table

SDDP 17.3.6rc8

📅 Date: 2024-08-02
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Added screen to create and edit the hour-block remap
  • New outputs: maximum thermal/hydro/battery/renewable joint reserve offer and thermal/hydro/battery/renewable joint reserve price

SDDP 17.3.6rc7

📅 Date: 2024-07-31
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed the application of the minimum offtake constraints for integral fuel contracts when they are not active

SDDP 17.3.6rc6

📅 Date: 2024-07-30
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Added the possibility to define the hydro generation variable in MWh in the generic constraints

Fixed bugs

• GUI
  • Fixed an issue related to the system ID case

SDDP 17.3.6rc5

📅 Date: 2024-07-29
🔗 Download: Windows | Linux

Fixed bugs

• GUI
  • Adjustment in “Execution options > Economic dispatch > Advanced properties” screen

SDDP 17.3.6rc4

📅 Date: 2024-07-25
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Included protection for hydro plants with maximum storage or flood control storage equal to zero and representation of non-controllable spillage
  • Fixed an issue in the calculation of approximated losses in the policy

SDDP 17.3.6rc3

📅 Date: 2024-07-24
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed an issue that prevented executing coordinated cases with fuel contracts or fuel reservoirs in more than one system

SDDP 17.3.6rc2

📅 Date: 2024-07-22
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Added circuit flow variables to the generic constraints

Fixed bugs

• Model
  • Fixed joint reserve constraints in coordinated cases

SDDP 17.3.6rc1

📅 Date: 2024-07-15
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Hourly representation
    • Fixed issue in hydro-related outputs writing

SDDP 17.3.5

📅 Date: 2024-07-11
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed the simulation of additional years when using typical days for weekly cases
  • Fixed the penalties and deficit participation (in %) chart on the dashboard

SDDP 17.3.5rc3

📅 Date: 2024-07-04
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Hourly representation
    • Improved the representation of the hydro production coefficient as a function of the tailwater level

SDDP 17.3.5rc2

📅 Date: 2024-07-03
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed the reserve outputs values for plants that only participate as backed elements in joint reserves
  • Hourly representation
    • Fixed the joint reserve offer unit consideration when defined as a % of the nominal/available capacity

SDDP 17.3.5rc1

📅 Date: 2024-07-03
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Hourly representation
    • Fixed the consideration of contingency constraints in the bus marginal costs

SDDP 17.3.4

📅 Date: 2024-07-02
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Hourly representation
    • Fixed the writing of the joint reserve output (resger.csv) for “greater than” requirements
    • Included the writing of the thermal generation in MW (gertermw.csv) output

SDDP 17.3.4rc9

📅 Date: 2024-07-01
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Hourly representation
    • Fixed the representation of joint reserve constraints of type “Compensates individual outages of agents in defined group”

SDDP 17.3.4rc8

📅 Date: 2024-06-28
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed the consideration of the Markov model in inflow generation for Time Series Lab
  • Hourly representation
    • Fixed the representation of backed DC links in the joint reserve constraints

SDDP 17.3.4rc7

📅 Date: 2024-06-24
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Hourly representation
    • Fixed the values presented in the renewable scenario output (renwscen.csv)

SDDP 17.3.4rc6

📅 Date: 2024-06-20
🔗 Download: Windows | Linux

Fixed bugs

• GUI
  • Fixed hourly maintenance validation

SDDP 17.3.4rc5

📅 Date: 2024-06-13
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed an issue in the dashboard generation when the user name has special characters

SDDP 17.3.4rc4

📅 Date: 2024-06-07
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed an issue that prevented executing hourly coordinated cases

SDDP 17.3.4rc3

📅 Date: 2024-06-04
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Added hydro plant joint reserve allocation variables to the generic constraints

SDDP 17.3.4rc2

📅 Date: 2024-06-03
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Hourly representation
    • Optimized the modelling of thermal start-up costs

SDDP 17.3.4rc1

📅 Date: 2024-05-31
🔗 Download: Windows | Linux

New features and improvements

• GUI
  • Added import/export options to the joint reserve offer per requirement data

SDDP 17.3.3

📅 Date: 2024-05-23
🔗 Download: Windows | Linux

Official release

SDDP 17.3.3rc4

📅 Date: 2024-05-22
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Hourly representation
    • Fixed issue in the future cost function lower bound

SDDP 17.3.3rc3

📅 Date: 2024-05-21
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Hourly representation
    • Reformulation of constant water inflow constraint
  • New output: battery O&M unitary cost (oembatun.csv)

Fixed bugs

• GUI
  • Fixed issue in “Execution options > Economic dispatch > Advanced properties” screen that prevented the user from saving the modified data in specific situations
  • Fixed pbatstg output

SDDP 17.3.3rc2

📅 Date: 2024-05-13
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Adjusted inclusion of thermal plant commitment variables to the generic constraint with stage-wise resolution
• GUI
  • Fixed DC link operative state modification default value

SDDP 17.3.3rc1

📅 Date: 2024-05-13
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed dashboard creation for cases with policy hot-start

SDDP 17.3.2

📅 Date: 2024-05-09
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Blocked definition of fuel contracts and fuel reservoirs with same code in different systems, which could cause issues in executions of type simulation

SDDP 17.3.2rc8

📅 Date: 2024-05-07
🔗 Download: Windows | Linux

New features and improvements

• Model
  • New output: marginal value of battery energy (mgvbat.csv)
  • Hourly representation
    • Added marginal value of charge/discharge capacity output (cmgbtc.csv)

Fixed bugs

• Model
  • Fixed numerical issue that could cause infeasibilities in typical days case with hydro non-controllable spillage

SDDP 17.3.2rc7

📅 Date: 2024-04-22
🔗 Download: Windows | Linux

Fixed bugs

• GUI
  • Fixed an issue in the battery maintenance screen that allowed data from removed agents to remain
  • Adjusted the Time Series Lab version to be opened

SDDP 17.3.2rc6

📅 Date: 2024-04-19
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Added extra validation for battery maintenance schedule unit and type

SDDP 17.3.2rc5

📅 Date: 2024-04-18
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Started to allow hourly maintenance in executions with hour-block remap or typical days
• GUI
  • Removed unnecessary warning when defining single reserve unit for hydro or thermal plants
  • Removed unnecessary warning when defining asbsolute joint reserve requirement unit

Fixed bugs

• Model
  • Fixed storage investment cuts for Optgen integration
  • Fixed an issue that prevented executing cases with agent’s name including single quotes

SDDP 17.3.2rc4

📅 Date: 2024-04-10
🔗 Download: Windows | Linux

New features and improvements

• GUI
  • Removed unnecessary warning when defining maintenance unit for hydro or thermal plants

SDDP 17.3.2rc3

📅 Date: 2024-04-09
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed outputs Available hydro capacity (pothid.csv) and Available turbined outflow (qmxdsp.csv) for hydro plants with inflow x turbining or storage x maximum turbining tables
  • Fixed outputs Marginal value of water (mgvwat.csv) and Opportunity cost hydro generation (oppchg.csv) for executions with typical days representation

SDDP 17.3.2rc2

📅 Date: 2024-04-08
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Dashboard adjustments
• GUI
  • Fixed the stored energy parameters saving

SDDP 17.3.1

📅 Date: 2024-04-02
🔗 Download: Windows | Linux

New features and improvements

• GUI
  • Added maintenance type and unit in import/export options (for hydro and thermal plants)

Fixed bugs

• GUI
  • Fixed an issue with maintenance unit database conversion

SDDP 17.3.1rc6

📅 Date: 2024-04-01
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Hourly representation
    • Fixed an issue in the electrical consumption variable of the electrification producer in generic constraints

SDDP 17.3.1rc5

📅 Date: 2024-03-29
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Dashboard adjustments

SDDP 17.3.1rc4

📅 Date: 2024-03-27
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed investment cuts for OptGen for probabilistic dynamic reserve and batteries (in the typical days representation)

SDDP 17.3.1rc3

📅 Date: 2024-03-26
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Hourly representation
    • Fixed an issue with Future Cost Function representation for cases with negative values

SDDP 17.3.1rc2

📅 Date: 2024-03-25
🔗 Download: Windows | Linux

Fixed bugs

• Model
  • Fixed an issue with hourly maintenance data with coordinated system operation mode

SDDP 17.3.1rc1

📅 Date: 2024-03-22
🔗 Download: Windows | Linux

New features and improvements

• Model
  • Added thermal plant commitment variables to the generic constraints

SDDP 17.3

📅 Date: 2024-03-18
🔗 Download: Windows | Linux

Please refer to the release site and check out the most important features developed on this release.

New features and improvements

• GUI
  • Discontinuation of Graph 3 interface, replaced by Graph 4
  • Discontinuation of DrawHydro, replaced by Topology Viewer
  • Discontinuation of 32-bit version
• Model
  • Hourly representation
    • Hydro commitment
    • Risk aversion curve (RAC) included in the model
    • Enhanced energy transference window of flexible demand modeling
  • The hydroelectric storage data now allows the definition of explicit limits for run-of-river plants, which are used in the chronological blocks, typical days and hourly representation for intra-stage modulation
    • Aiming to provide an automatic transition to the new representation, a data conversion process has been incorporated into the 17.3 interface:
      • The ror_operative_storage.dat file that contains the storage limits for hourly executions has been discontinued with the information being incorporated in the registry data
      • Run-of-river plants with 0 hm3 of useful storage had their limits recalculated according to its modulation capacity. The new limits are determined as Vmax = Vmin + 2 * (1 - regulation factor). Minimum storage Vmin remains unchanged.
    • Added option to allow automatic classification of hydroelectric plants based on its regularization capacity (useful storage and turbining capacity ratio, given in hours)
  • Typical days modeling
    • Intra-stage modulation for small storages (run-of-river, batteries, CSPs…)
    • Thermal operating constraints: generation ramps, minimum downtime, minimum uptime, maximum uptime
    • Hydro operating constraints: generation ramps and outflow ramps
    • New flexible demand modeling for typical days representation (following new hourly modeling)
    • Typical days with aggregated block strategy in policy phase
    • Detailed and profile typical days mapping options
    • Automatic typical days clusterization based on the demand stage profile through PSRClustering (only for detailed mapping)
  • Network contingency representation. This feature includes an option to enable contigencies representation from a specific iteration in the policy
  • Post-contingency network report
  • Operational status of DC link
  • Custom modeling
    • Generic interpolation constraints non-linear functions modeling
    • Generic variables, allowing its use with internal SDDP variables through generic linear and interpolation constraints
    • New variables in generic constraints: initial hydro volume, battery charge and discharge, demand, and electrical consumption for electrification
  • New dashboard and result comparator based on PSRIO
  • Hourly maintenance for hydro, thermal, and battery as well as stage-wise battery maintenance
  • Execution option to not apply the forced outage factor
  • Generation reserve features
    • Quantity and price of joint battery and CSP reserve offer
    • Joint renewable reserve
    • Maximum offer per generator-reserve
    • Reserve sharing
    • Absolute reserve + dynamic probabilistic reserve option
    • Allow maximum joint reserve offer as percentage of nominal available capacity for hydro and thermal plants
  • Battery Operation & Maintenance cost
  • Modification data of hydroelectric Operation & Maintenance cost
  • Dynamic line rating for the representation of environment conditions (such as temperature) influence over transmission lines capacities
  • Execution options interface reorganization
  • Xpress solver update to version 9.1

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