Sienna-Platform

Sienna-Platform/PowerOperationsModels.jl

Collection of Operational Optimization Models in Power Systems

Stars: 2
Forks: 1
Open beginner issues: 0
Indexed issues: 86
Avg merge: 1d 16h
Merged PRs (30d): 26

Dominant language: Julia
License: BSD-3-Clause
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Beginner friendly Everything

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86 open issues indexed

Port PSI#1676 new parallel branch reduction method Open

Sienna-Platform/PowerOperationsModels.jl#314 · 1 assignee · Opened Sep 18, 2026
test multiple evaluators: `findlast` over the evaluation-data `Dict` can return the wrong evaluator Open

Sienna-Platform/PowerOperationsModels.jl#308 · 1 assignee · Opened Sep 16, 2026
Wire PF's new `SolutionParameters` in Open

Sienna-Platform/PowerOperationsModels.jl#306 · 1 assignee · Opened Sep 16, 2026
Port PSI#1617 G-1 Open

PSI parity

Sienna-Platform/PowerOperationsModels.jl#298 · 1 assignee · Opened Sep 10, 2026
Port HPS#136 Hydro MBC Open

PSI parity

Difficulty 4/5 3-5 days Newbie friendliness 20/100

Sienna-Platform/PowerOperationsModels.jl#297 · Opened Sep 10, 2026
Port HPS#138 energy reservoirs Open

PSI parity

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Sienna-Platform/PowerOperationsModels.jl#296 · Opened Sep 10, 2026
Port PSI#1660 fix devicestatus IC Open

PSI parity

Difficulty 3/5 1-2 days Newbie friendliness 25/100

Sienna-Platform/PowerOperationsModels.jl#294 · Opened Sep 10, 2026
Port PSI#1663 area balance fix Open

PSI parity

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Sienna-Platform/PowerOperationsModels.jl#293 · Opened Sep 10, 2026
Port PSI#1667 renewable curtailment cost Open

PSI parity

Difficulty 4/5 3-5 days Newbie friendliness 30/100

Sienna-Platform/PowerOperationsModels.jl#292 · Opened Sep 10, 2026
Implement ComponentSelector for filtering branches Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Sienna-Platform/PowerOperationsModels.jl#288 · Opened Sep 9, 2026
Port PSI#1668 Open

PSI parity

Sienna-Platform/PowerOperationsModels.jl#287 · 1 comment · 1 assignee · Opened Sep 9, 2026
Load models for StandardLoad in AC Open

bug

Sienna-Platform/PowerOperationsModels.jl#270 · 1 comment · 1 assignee · Opened Sep 3, 2026
Network Reductions and Results Reporting Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

Sienna-Platform/PowerOperationsModels.jl#264 · 1 comment · Opened Sep 1, 2026
RFC: No default parallel_branch_max_rating value Open

question

Difficulty 5/5 Over a week Newbie friendliness 35/100

Sienna-Platform/PowerOperationsModels.jl#261 · 1 comment · Opened Sep 1, 2026
Post-contingency rating time series is only honored for the outaged branch type Open

Sienna-Platform/PowerOperationsModels.jl#250 · 1 assignee · Opened Aug 23, 2026
Build-loop type-stability: branch-divergent PTDF balance values and AbstractArray staging dict Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Sienna-Platform/PowerOperationsModels.jl#246 · Opened Aug 21, 2026
Simplify network type hierarchy Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

Sienna-Platform/PowerOperationsModels.jl#244 · Opened Aug 20, 2026
Add relax integer attribute to DeviceModels Open

Sienna-Platform/PowerOperationsModels.jl#238 · 1 assignee · Opened Aug 14, 2026
Confirm post-contingency flows are correct when the outaged branch is itself a phase shifter Open

Testing

Sienna-Platform/PowerOperationsModels.jl#231 · 2 assignees · Opened Aug 10, 2026
DCP with network reductions fails on HiGHS; test worked around with Ipopt Open

bug

Sienna-Platform/PowerOperationsModels.jl#230 · 1 comment · 2 assignees · Opened Aug 10, 2026
Support intra-horizon topology changes Open

Sienna-Platform/PowerOperationsModels.jl#228 · 1 assignee · Opened Aug 7, 2026
Merge the device and service `_add_time_series_parameters!` bodies Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Sienna-Platform/PowerOperationsModels.jl#226 · Opened Aug 6, 2026
Deduplicate the 22 `construct_service!` methods via a shared pipeline Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

Sienna-Platform/PowerOperationsModels.jl#223 · Opened Aug 6, 2026
Type stability: per-type service construction dynamic-dispatches on abstract flattened Vectors Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

Sienna-Platform/PowerOperationsModels.jl#216 · Opened Jul 30, 2026
Documentation: how to get duals Open

documentation

Sienna-Platform/PowerOperationsModels.jl#199 · 1 assignee · Opened Jul 22, 2026
Clean up `add_expressions!` family Open

Sienna-Platform/PowerOperationsModels.jl#197 · 1 assignee · Opened Jul 21, 2026
Deduplicate network-family constructor method pairs via the network-conditional helpers Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Sienna-Platform/PowerOperationsModels.jl#195 · 1 comment · Opened Jul 19, 2026
Unify the trait-vs-list pattern in _pf_provides_aux_var Open

Sienna-Platform/PowerOperationsModels.jl#193 · 1 comment · 1 assignee · Opened Jul 17, 2026
Generalize (aux_var, device_type, results-column) correspondences instead of hard-coding them Open

wontfix

Sienna-Platform/PowerOperationsModels.jl#192 · 2 comments · 1 assignee · Opened Jul 17, 2026
Update of full formulation library Open

documentation

Sienna-Platform/PowerOperationsModels.jl#175 · 1 assignee · Opened Jul 10, 2026
Refactor `construct_device!` pattern Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

Sienna-Platform/PowerOperationsModels.jl#172 · 2 comments · Opened Jul 8, 2026
Use informative variable names in formulations Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Sienna-Platform/PowerOperationsModels.jl#168 · Opened Jul 1, 2026
Combine Active/Reactive device constructors Open

enhancement question

Difficulty 5/5 Over a week Newbie friendliness 45/100

Sienna-Platform/PowerOperationsModels.jl#165 · 1 comment · Opened Jul 1, 2026
[RFC] Replace `use_slacks` DM/SM attributes with a type parameter Open

enhancement question

Difficulty 5/5 Over a week Newbie friendliness 30/100

Sienna-Platform/PowerOperationsModels.jl#164 · Opened Jul 1, 2026
Emulation model outputs: array dimension messiness Open

Difficulty 4/5 3-5 days Newbie friendliness 64/100

Sienna-Platform/PowerOperationsModels.jl#251 · 2 comments · Opened Jun 25, 2026
CI Performance test:`HiGHS` solver pathologies Open

performance

Sienna-Platform/PowerOperationsModels.jl#146 · 4 comments · 1 assignee · Opened Jun 25, 2026
Make sure all variables have bounds. Open

Sienna-Platform/PowerOperationsModels.jl#137 · 1 comment · 1 assignee · Opened Jun 14, 2026
Add test coverage for `add_to_expression!` paths Open

bug Testing

Difficulty 4/5 3-5 days Newbie friendliness 55/100

Sienna-Platform/PowerOperationsModels.jl#134 · 3 comments · Opened Jun 9, 2026
Add support for planned outages Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Sienna-Platform/PowerOperationsModels.jl#131 · Opened Jun 2, 2026
Some variable bounds are set multiple times Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

Sienna-Platform/PowerOperationsModels.jl#125 · 1 comment · Opened May 15, 2026
Options for improving precompile time Open

performance

Sienna-Platform/PowerOperationsModels.jl#115 · 1 comment · 1 assignee · Opened May 8, 2026
Constraints for multi-reservoir turbine outflow Open

bug

Sienna-Platform/PowerOperationsModels.jl#98 · 1 comment · 1 assignee · Opened Apr 24, 2026
Add test cases for unset initial time Open

Testing

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

Sienna-Platform/PowerOperationsModels.jl#94 · Opened Apr 22, 2026
Network reductions and constraint duals Open

Difficulty 3/5 1-2 days Newbie friendliness 62/100

Sienna-Platform/PowerOperationsModels.jl#93 · Opened Apr 22, 2026
Convexity checks for time-varying curves Open

Testing

Difficulty 3/5 1-2 days Newbie friendliness 55/100

Sienna-Platform/PowerOperationsModels.jl#92 · Opened Apr 20, 2026
AGC up/down mixup Open

Difficulty 1/5 Under an hour Newbie friendliness 82/100

Sienna-Platform/PowerOperationsModels.jl#276 · 1 comment · Opened Apr 16, 2026
[RFC] Simplify metadata Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

Sienna-Platform/PowerOperationsModels.jl#80 · 1 comment · Opened Apr 15, 2026
Document active-power limit constraints for thermals and loads Open

documentation

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Sienna-Platform/PowerOperationsModels.jl#73 · 1 comment · Opened Apr 9, 2026
`ActivePower` lower bound under `PowerLoadDispatch` Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

Sienna-Platform/PowerOperationsModels.jl#71 · 3 comments · Opened Apr 8, 2026
PF in-the-loop and convergence failure Open

bug

Sienna-Platform/PowerOperationsModels.jl#273 · 4 comments · 1 assignee · Opened Mar 27, 2026

A short digest of beginner-friendly GitHub issues.