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All notable changes to this project will be documented in this file.
- The format is based on [Keep a Changelog][changelog].
- This project adheres to [Semantic Versioning][semver].
- For versions before 1.0, we follow the [Pkg.jl convention][pkjjl]
that `0.a.b` is compatible with `0.a.c`.
[changelog]: https://keepachangelog.com/en/1.0.0/
[semver]: https://semver.org/spec/v2.0.0.html
[pkjjl]: https://pkgdocs.julialang.org/v1/compatibility/#compat-pre-1.0
## [0.4.0] - 2024-05-21
### Added
- Add support for two-stage stochastic problems
- Add support for day-ahead and real-time market clearing simulation
- Add time decomposition methods
- Add scenario decomposition methods (progressive hedging)
- Add support for energy storage units
- Rewrite documentation with runnable examples
## [0.3.0] - 2022-07-18
### Added
- Add support for multiple reserve products and zonal reserves.
- Add flexiramp reserve products, following WanHob2016's formulation (@oyurdakul, #21).
- Add 365 variations for each MATPOWER instance, corresponding to each day of the year.
### Changed
- To support multiple/zonal reserves, the input data format has been modified as follows:
- In `Generators`, replace `Provides spinning reserves?` by `Reserve eligibility`
- In `Parameters`, remove `Reserve shortfall penalty`
- Revise `Reserves` section
- To allow new versions of UnitCommitment.jl to read old instance files, a new required field `Version` has been added to the `Parameters` section. To load v0.2 files in v0.3, please add `{"Parameters":{"Version":"0.2"}}` to the file.
- Benchmark test cases are now downloaded on-the-fly as needed, instead of being stored in our GitHub repository. Test cases can also be directly downloaded from: https://axavier.org/UnitCommitment.jl/
## [0.2.2] - 2021-07-21
### Fixed
- Fix small bug in validation scripts related to startup costs
- Fix duplicated startup constraints (@mtanneau, #12)
## [0.2.1] - 2021-06-02
### Added
- Add multiple ramping formulations (ArrCon2000, MorLatRam2013, DamKucRajAta2016, PanGua2016)
- Add multiple piecewise-linear costs formulations (Garver1962, CarArr2006, KnuOstWat2018)
- Allow benchmark scripts to compare multiple formulations
## [0.2.0] - 2021-05-28
### Added
- Add sub-hourly unit commitment.
- Add `UnitCommitment.write(filename, solution)`.
- Add current mathematical formulation to the documentation.
### Changed
- Rename "Time (h)" parameter to "Time horizon (h)".
- Rename `UnitCommitment.get_solution` to `UnitCommitment.solution`, for better
consistency with JuMP style.
- Add an underscore to the name of all functions that do not appear in the
documentation (e.g. `something` becomes `_something`) These functions are not
part of the public API and may change without notice, even in PATCH releases.
- The function `UnitCommitment.build_model` now returns a plain JuMP model. The
struct `UnitCommitmentModel` has been completely removed. Accessing model
elements can now be accomplished as follows:
- `model.vars.x[idx]` becomes `model[:x][idx]`
- `model.eqs.y[idx]` becomes `model[:eq_y][idx]`
- `model.expr.z[idx]` becomes `model[:expr_z][idx]`
- `model.obj` becomes `model[:obj]`
- `model.isf` becomes `model[:isf]`
- `model.lodf` becomes `model[:lodf]`
### Fixed
- Properly validate solutions with price-sensitive loads.
## [0.1.1] - 2020-11-16
### Added
- Add OR-LIB and Tejada19 instances.
- Improve documentation.
## Fixed
- Fixes to MATLAB and PGLIB-UC instances.
## [0.1.0] - 2020-11-06
- Initial public release.
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