v0.11.0

SpineOpt v0.11.0

Diff since v0.10.2

Julia compatibility, delta formulation for long-term storages with representative periods, improved tutorials and documentation.

Breaking changes

• Julia v1.12 compatibility
• New HSJ and Fuzzy MGA functionality.
• ⁠Fix economic discounting duration
• ⁠Update migration script and SpineOpt DB version

Merged pull requests:

• Update Project.toml (#1193) (@tarskul)
• Fix trvial spottings (#1197) (@nnhjy)
• improve the implementation of multi year investments (#1198) (@nnhjy)
• Add the node availability factor to the model (#1202) (@datejada)
• Add minimum node state constraint (#1204) (@datejada)
• Update migration script and SpineOpt DB version (#1205) (@datejada)
• Add minimum connection flow constraint (#1208) (@datejada)
• Add parameter function node_state_lower_limit to the indices function of the minimum node state (#1210) (@datejada)
• Up to 7x faster _save_outputs!() (#1217) (@ll-ara)
• Add CI on pull request from forks (#1220) (@datejada)
• Revert "Update migration script and SpineOpt DB version" (#1223) (@nnhjy)
• Update migration script (#1224) (@nnhjy)
• added no_index_found unit test to representative periods test (#1226) (@ll-ara)
• Fix economic discounting duration (#1231) (@nnhjy)
• Ramping update for variable time steps (#1240) (@Mastomaki)
• CompatHelper: bump compat for DataStructures to 0.19, (keep existing compat) (#1243) (@github-actions[bot])
• Don't generate represented variable-expressions if not needed (#1247) (@manuelma)
• New HSJ and Fuzzy MGA functionality (#1249) (@kkozersk)
• Simplify timemsg (#1251) (@manuelma)
• Fix units_started_up coefficient in unit flow ratio (#1252) (@manuelma)
• Delta formulation and free starts (#1253) (@manuelma)
• Rationalize node_state_lower_limit (#1258) (@manuelma)
• Skip connection min flow if zero lower limit (#1260) (@manuelma)
• Code refactoring (#1261) (@manuelma)
• Update Julia version compat (#1264) (@datejada)
• Set add_bridges=true by default (#1267) (@manuelma)
• Change HiGHS compatibility version (#1268) (@datejada)
• 1269 benders tests are unstable for different versions of highs (#1270) (@tarskul)
• Improve economic discounting (#1280) (@nnhjy)
• Add tutorial for representative periods (#1283) (@datejada)
• Add tutorial rolling horizon (#1284) (@datejada)
• Added multi-stage optimisation tutorial and example system (#1285) (@DillonJ)
• Updated multi-stage tutorial (#1286) (@DillonJ)
• Fix user_constraint slack term to apply per-constraint only (#1288) (@DillonJ)
• Add static interface for compatibility with Julia 1.12 (#1290) (@datejada)
• Update 3rd party actions in GitHub actions (#1293) (@soininen)
• Update lead time documentation in template and docs (#1295) (@datejada)
• Add checks for ramping parameters (#1299) (@gnawin)
• Improve optimization check for model feasibility (#1300) (@datejada)
• investment_variable_type = none disables investment variables (#1304) (@Tasqu)
• Bypass convenience_functions.jl regeneration if it fails. (#1306) (@Tasqu)

Closed issues:

• Linking related optimizations (#318)
• Ensure templates consistent with migration (#464)
• Removing unnecessary parameters (#599)
• Simplify the input database structure (#687)
• Node-node, unit-unit, and efficiencies changes (#688)
• Adding descriptions of outputs in the spineopt_template.json (#748)
• Installing from the SpineJuliaRegistry is not working properly (#835)
• Create a tutorial to create a rolling horizon model (#974)
• Problems with unit ramp limits (#1029)
• Fix the flexible temporal resolution implementation (#1119)
• Incomplete multi-year investments tutorials (#1185)
• Add the node_availability_factor parameter (#1199)
• Add a constraint for the minimum node state limit (#1200)
• Add a constraint for the minimum connection flow limit (#1201)
• Add a constraint for the minimum unit flow limit (#1203)
• Update migration script and SpineOpt DB version (#1207)
• Improve the performance of the function _representative_index_to_coefficient (#1216)
• Replacing use_economic_representation and use_milestone_years migration script failing (#1222)
• Reformulate formulation with representative periods in SpineOpt (#1233)
• Avoid unnecessary represented-variable expressions when is_longterm_storage = false (#1246)
• Unneeded constraint_connection_min_flow (#1259)
• Limit Julia version to 1.11 (#1263)
• Benders tests are unstable for different versions of HiGHS (#1269)
• db_lp_solver vs db_mip_solver: distinction isn't clear (#1271)
• SpineOpt is not compatible with Julia 1.12 (#1274)
• [docs] Add tutorial for representative periods (#1282)
• User_constraint slack variables erroneously appear in other user constraints (#1287)
• Update Lead Time parameter description in Template and documentation (#1294)
• Write results always if the result count is greater than zero (#1296)
• Ensure consistency between UC and ramping parameters (#1298)
• Set investment variable types to none as default. (#1302)