ORNL/ExaGO

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Optimal power flow analysis software.

Stars: 15
Forks: 9
Open beginner issues: 10
Indexed issues: 55

Dominant language: Python
License: No license data
Last GitHub push: Aug 20, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

[E38] a DC line at the reference bus demotes it to PV: `PSSetUp`'s condition is always true Open

Difficulty 2/5 1-3 hours Newbie friendliness 90/100

ORNL/ExaGO#109 · 3 comments · Opened Sep 22, 2026
[E37] two wrong second derivatives in PBPOL's line Hessian (the reference model) Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

ORNL/ExaGO#108 · 3 comments · Opened Sep 22, 2026
[E36] a DC line is a "monitored line" (its rateA stays 0) and the sparse GPU kernels write its non-existent flow rows Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

ORNL/ExaGO#107 · 3 comments · Opened Sep 22, 2026
[E33] the sparse GPU model leaves the shunt out of the reference bus's rows; its Jacobian and Hessian do not Open

Difficulty 3/5 1-2 days Newbie friendliness 75/100

ORNL/ExaGO#105 · 4 comments · Opened Sep 22, 2026
[E32] the sparse GPU model's isolated-bus angle row scales a radian angle by pi/180 Open

Difficulty 1/5 Under an hour Newbie friendliness 90/100

ORNL/ExaGO#104 · 2 comments · Opened Sep 22, 2026
[E29] `-scopflow_Nc -1` / `-sopflow_Nc -1` calloc a 200 MB contingency list Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

ORNL/ExaGO#101 · 3 comments · Opened Sep 22, 2026
[E28] `-log_view` aborts every `HIOPSPARSEGPU` solve (unbalanced event in the sparse inequality Jacobian) Open

Difficulty 1/5 Under an hour Newbie friendliness 92/100

ORNL/ExaGO#100 · 3 comments · Opened Sep 22, 2026
[E27] the "10 % sparsity" preallocation overflows on large stacked problems Open

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

ORNL/ExaGO#99 · 3 comments · Opened Sep 22, 2026
[E26] an empty profile name is taken as a file name Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

ORNL/ExaGO#98 · 3 comments · Opened Sep 22, 2026
[E25] SOPFLOW declares `-hiop_verbosity_level` and never reads it Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

ORNL/ExaGO#97 · 3 comments · Opened Sep 22, 2026
[E24] the profile readers split lines longer than `MAXLINE` = 10000 characters Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

ORNL/ExaGO#96 · 3 comments · Opened Sep 22, 2026
[E17] `-scopflow_subproblem_solver` is read with the model option's `flg` Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

ORNL/ExaGO#89 · 3 comments · Opened Sep 22, 2026
[E12] participation factors are computed after the model has copied `gen->apf` to the device Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

ORNL/ExaGO#84 · 3 comments · Opened Sep 22, 2026
[E4] `STRUMPACK::strumpack` is referenced by HiOp's exported targets but never found Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

ORNL/ExaGO#76 · 3 comments · Opened Sep 22, 2026
[E1] `EXAGO_ENABLE_HIOP_SPARSE` requires a COINHSL target, so a STRUMPACK-backed HiOp is unusable Open

Difficulty 1/5 1-3 hours Newbie friendliness 86/100

ORNL/ExaGO#73 · 3 comments · Opened Sep 22, 2026
[E35] the sparse GPU model has no DC lines: their variables are in the problem, their flows are not Open

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

ORNL/ExaGO#72 · 3 comments · Opened Sep 22, 2026
Update to PETSc 3.25 Open

documentation spack testing warnings

ORNL/ExaGO#68 · 1 assignee · Opened Aug 19, 2026
SCOPFLOW with EMPAR solver always reports CONVERGED, does not enforce N-1 security Open

bug scopflow

ORNL/ExaGO#42 · 1 comment · 1 assignee · Opened Apr 18, 2026
Inconsistent Use of `PetscInt` Open

bug

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

ORNL/ExaGO#41 · 3 comments · 2 reactions · Opened Apr 17, 2026
Upgrade pybind11 to the latest 2.x version Open

enhancement

ORNL/ExaGO#27 · 1 assignee · Opened Apr 2, 2026
Update DC line model Open

enhancement opflow

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ORNL/ExaGO#22 · 1 comment · Opened Mar 24, 2026
Saving outputs when running sopflow with HiOp PriDec Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ORNL/ExaGO#21 · 1 comment · Opened Mar 24, 2026
pflow segfaults freeing the matrix Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ORNL/ExaGO#18 · Opened Mar 24, 2026
FUNCTIONALITY_TEST_SCOPFLOW_HIOP_TESTSUITE not converging on Frontier Open

bug scopflow

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ORNL/ExaGO#16 · Opened Mar 24, 2026
Viz.ChatGrid: add Context Management Module for Large SQL-Backed AI Chat Responses Open

enhancement visualization

ORNL/ExaGO#12 · 1 assignee · Opened Mar 23, 2026
Finish PSSE parser Open

documentation enhancement

ORNL/ExaGO#2 · 1 assignee · Opened Mar 5, 2026
Changes to pflowout.m, opflowout.m Open

Difficulty 2/5 1-3 hours Newbie friendliness 57/100

ORNL/ExaGO#1 · Opened Jan 14, 2026

ORNL/ExaGO

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