Release Notes

iLab Assistant

18.5.0 (2026-11-06)¶

Features¶

• Include min/max_p_limit_flag as attributes on production_group (dc07ec3f)

• Enable termination of Gurobi, OSI, and HiGHS solvers from SHOP Server (previously only supported for CPLEX) (3df9728f)

Bug Fixes¶

• Ensure that all output timeseries are allocated for objects added after the first iteration in SHOP (1f7d66ca)

• Ticket 1475: Add separate optional solver rpms for Fedora releases, the user must decide which solver(s) to install (9032a036)

• Ticket 1477: Reset the internal committed timeseries when timeseries are resampled so that pelton units commit the right needle combination in incremental mode (0490cb22)

• Ticket 1471: Implement resetting of the objective solver status and values before each new SHOP iteration (3df9728f)

• Ticket 1476: Implement a deeper search for rivers related to tailrace_loss. Also add new string_array attributes tailrace/intake_loss_river_names for users to directly specify which rivers to be used in the calculations. (8887ec0d)

Technical chores¶

• Update the third-party licenses doc (f61b1250)

Code restructuring¶

• Switch from pybind11 to nanobind for exposing C++ code to pyshop to allow releasing a single shop_pybind.pyd/so file instead of per Python verisoon. Linux users of pyshop should update to pyshop v2.1.0, or manually install the nanobind-backend >= 1.0.0 package. Windows users of pyshop must keep the new shop_nanobind_backend*.pyd files (at least the one matching their Python version) together with the shop_pybind.pyd file. (11353042)

18.4.1 (2026-10-22)¶

Technical chores¶

• Rebuild all Docker images to fix invalid CA (248c245c)

18.4.0 (2026-10-20)¶

Technical chores¶

• Remove shop.exe’s runtime dependency on shop.h and reimplement command parsing in C++ (f5aa891a)

• Support Python 3.15, dropping 3.10. (1da84478)

• Pack Linux portal releases as tar.gz with deduplicated SOVERSION libs (11ec8c17)

Features¶

• Add updated OSI solvers and the new HiGHS solver to SHOP (7baf0f52)

• Ticket 1457: Implement calculation of global energy equivalent for each reservoir (5f58e8fb)

• Ticket 1460: Implement a flow_change_cost on the river object that mimics the gate_ramp_cost for the old gate object (6731410f)

Bug Fixes¶

• Ticket 1463: Ensure that all tunnels with gates above a plant can’t close at the same time to isolate the plant from all reservoirs, leading to negative head warnings (254dd968)

• Ticket 1464: Add checks for completed optimization before allowing command calls like creating BP curves and printing ascii result files. Also make sure the number of iterations in the ‘start sim’ command is sensible (f30c4ec2)

18.3.3 (2026-09-30)¶

Bug Fixes¶

• Ticket 1456: Avoid infinities in edge cases of marginal cost calculations in BestProfit (c53945d1)

Technical chores¶

• Add a warning for lacking or inconsistent main_river settings (c4360ab2)

18.3.2 (2026-09-25)¶

Bug Fixes¶

• Ticket 1454: Fix initialization of junctions with one plant and one creek_intake as inputs (86b465f0)

Technical chores¶

• Ensure solver-committed fractions for generator, pump and needle_comb return 0.0 instead of sometimes -0.0. (1cc7091a)

18.3.1 (2026-09-22)¶

Features¶

• Ticket 1426 and 1453: Allow NaN values in p_<reserve_type>_min/max attributes on generator, needle_combination, and pump. Also make it possible to set NaN in period complex ramping constraints (9db5d878)

• Ticket 1440 and 1450: Better NaN checks for reservoir schedule and reserve min/max limits on plant (7757e48a)

Technical chores¶

• Add a warning if the start volume/level is set above the highest point on the vol_level curve (7315b5b7)

• Improved river attribute descriptions in delta_level_ref_*flow_curve, max/min_flow and max_flow_const. (9d4afbad)

• Omit river spill reporting in case of bidirectional river modelling with up_level_flow_curves. (7bc0e7d8)

18.3.0 (2026-09-15)¶

Features¶

• Automatically detect SHOP version and serialization mode (full/partial) when loading state. (829efe01)

• Ticket 1447: Add SOVERSION and VERSION to linux binaries (cd68d6cf)

• Make it possible to remove objects from a SHOP model (4f7838a8)

• Compute and report physical and non-physical spill in rivers (f92eaca3)

Technical chores¶

• Updated several external packages used by SHOP. (064cd336)

• Report compiler warnings from all compilation jobs (9205e2bc)

• Add integration tests for shop_server_host using the pyshop wrapper (8f9d4642)

• Removing some unused functions in the C API related to objectId (5f2fbf08)

Code restructuring¶

• Add a new expressive LP notation layer to the SHOP core (491e17ca)

Bug Fixes¶

• Ticket 1421: Add the new string_array attribute “unit_names_in_comb” to the unit_comination object to directly get the names of the generators in the unit_combination. Also make the “order” key in the yaml connection format obsolete by writing the connections to file in the same way they were added to the model. (86d78070)

18.2.0 (2026-08-28)¶

Bug Fixes¶

• Ticket 1437: Fixed a write issue past the length of certain time series and some memory leaks in the deprecated MULTI_OBJECT_DATA structure (e38e4e0e)

Features¶

• User prioritized functionality: Implemented a needle combination change cost on the generator object to penalize switching the committed needle combination between time steps (d293c3d0)

• Automatically generate C++ API documentation from the source code (acfe9439)

• Make it possible to disconnect objects with the RemoveRelation C++ API function and the pyshop function obj1.disconnect_from(obj2) (requires new pyshop version) (d5182866)

18.1.0 (2026-08-20)¶

Features¶

• Make the new rolling_max_discharge_limit on the battery object limit the amount of stored energy drained instead of the discharged energy (scale with discharge efficiency) (6ba77bb6)

• Ticket 1433: Add the new endpoint /model/commands in SHOP Server to retrieve all available commands in SHOP (1795092a)

• Created new overloads for function calls in the C++ API that uses std containers instead of raw pointers, and improved API test coverage (d8cfca22)

Bug Fixes¶

• Fix mistake when calculating simulated flow cost for rivers (47b19f63)

• Ticket 1443: Fix a bug where time delay was skipped in the simulation for rivers without a flow_schedule that discharge directly into a reservoir (675cef68)

Technical chores¶

• Add some more detail to debugging of tunnel network equations (7ef20eed)

• Move all unit tests to Catch2 and remove gtest dependency (7592d992)

18.0.0 (2026-07-03)¶

Code restructuring¶

See the documentation page “Deprecated functionality and planned changes” for a more detailed list of changes in SHOP 18.

• Update all debian builds from 11 (bullseye) to 13 (trixie)

• Update AlmaLinux build from 8.9 to 9.8

• Update third-party packages

• Update C++ standard to C++23

• Change the word “head” to “level” in the name of several reservoir and river attributes

• Rename the objective attributes “startup_costs” and “sim_startup_costs” to “start_stop_costs” and “sim_start_stop_costs”

• Make running the “create bp_curves” command mandatory before running “print bp_curves”, and remove redundant options from the commands

• Internal restructuring of the pump object

• Rename txy to timeseries internally and in the documentation

• Calculate more objective function components when running a simulation

• Move third-party license information from documentation to the “docs” zip file in each SHOP release

• Ticket 1331: Rename “shop_cplex_interface.so” to “libshop_cplex_interface.so” on linux

• Ticket 1110: Apply all relevant reservoir constraints at the given point in time instead of at the end of the interval

17.19.0 (2026-07-02)¶

Bug Fixes¶

• Ticket 1404: Ensure that post-calculated local water values use the largest reachable reservoir in tunnel networks. (8a634138)

• Ticket 1430: Make sure the error messages thrown by SHOP are encoded in UTF-8 (0fdb8e3b)

• Include the intake_line and outlet_line correctly when testing the SHOP model for negative head values for pure pumps (ff144fbf)

Features¶

• Implemented rolling max discharge limit constraint for batteries, see the new attributes and example in the documentation (50130d71)

17.18.0 (2026-06-19)¶

Bug Fixes¶

• Ticket 1420: Fix best profit error introduced in 17.16.2 that would reduce the number of points on the output MC and AC curves (a568b4e6)

• Ticket 1419: Avoid getting a false error response from SHOP Server when deleting a session with the session-id in the query parameters of the request (1620222a)

• Don’t build head optimization constraints for the upstream reservoir if the plant has an intake_line that is above the upstream reservoir level (7db40d12)

Technical chores¶

• Harmonize the exceptions thrown in JSON, YAML, and pyshop when SHOP is unable to add an object (usually license related) (b07512a4)

Features¶

• User prioritized functionality: Make it possible to consider RR reserve schedules when creating BP curves, see the new attribute include_rr_schedules_in_bp_curves (9f55158c)

17.17.0 (2026-06-04)¶

Features¶

• User prioritized functionality: Added output attributes on the system object for extended logging of runtime of: building the model, solving the model in CPLEX, result processing, total iteration time, and the time it takes to perform each command (c71a4ec9)

• User prioritized functionality: Added a new flag on the discharge_group object to allow the user to decide whether the upstream or downstream river flow should be used in the discharge_group constraints (ab4de5e1)

• User prioritized functionality: Implement max limits for RR-up and RR-down delivery on plants (a3d64ab2)

• Reduce some of the logging overhead of SHOP Server, and add the --silent-shop-console option to suppress logging of SHOP messages to stdout on the server side (c13eb1ae)

Bug Fixes¶

• Ticket 1413: Avoid building plant production merge constraints if all units are scheduled or offline (df771901)

• Ticket 1412: Make sure tailrace_loss on plants connected to downstream tunnels work properly (cc1f5660)

17.16.2 (2026-05-26)¶

Bug Fixes¶

• Ticket 1411: Make sure that numerical tolerances don’t cause p_min to be calculated above p_max (72a36ad4)

• Ticket 1407: Improved diagnostic logging in best profit (74218a5e)

• Fix the scaling of generator discharge variables in the constraints built by the old MULTI_OBJECT_DATA structure (b7d14526)

• Ticket 1408: Set solvers as optional dependencies in CPACK (b41871d5)

17.16.1 (2026-05-18)¶

Features¶

• Implement Windows exe signing using EV certificate (5c7a798b)

Technical chores¶

• Internal cleanup of dynamically allocated memory (d54132c2)

Bug Fixes¶

• Ticket 1402: Remove zeros from the end of merged turbine efficiency curves for Pelton turbines in the simulator. (7ef320bc)

17.16.0 (2026-05-13)¶

Features¶

• Implement scaling of the AC and MC curves calculated in Best Profit based on the marginal cost of the best point operation in each time step (f4321ac8)

• Implement split ramping_steps attributes on the plant object to allow different ramping limits and production bands upwards and downwards (ae9ef1d6)

• Expose solver_interface_input_path in the API to manually specify where the solver interface binary should be looked for (8aa56a86)

Technical chores¶

• Accept session-id in the header of the request to the DELETE endpoint in SHOP Server (65006cd7)

• Update Fedora versions from 42 and 43 to 43 and 44 (8114a5a5)

Bug Fixes¶

• Print an error log message when trying to connect objects that don’t exist in an ASCII file (f008ed5c)

17.15.1 (2026-04-29)¶

Technical chores¶

• Make sure the solver interfaces are properly closed when exiting SHOP and when switching between solvers (f514f04f)

• Fixed Dockerfile on vlab build and refactored compilation caching (de56c127)

• Fix missing nodejs package in shop’s vlab Docker image (5a3a8b54)

Bug Fixes¶

• Make sure plant name is printed correctly for log message 3341, 3342 and 3345 (81d1a9a3)

• Ticket 1400: Fix packaging of the Fedora RPM release so that Gurobi binaries are not included (19beadfa)

17.15.0 (2026-04-17)¶

Bug Fixes¶

• Ticket 1326: Increase the tolerance for excluding points in the BP calculations that slightly violate the discharge limit of the generators (76755271)

• Ticket 1397: Add a proper connection between market and reserve_group when using the deprecated ASCII connection attributes (4fc63ea5)

• Ticket 1396: Make sure that updating start_head/start_vol on reservoirs and initial_energy on batteries is possible between iterations (2b5ccd63)

Features¶

• Improved logging of solver computation time and made it accessible as an attribute in the API (5240c852)

• Ticket 1395: Add a separate binary_pump_schedule_slack_flag on global_settings to allow binary pumps to over-deliver reserve capacity if they have reserve schedules (69f74f21)

• Ticket 1366: More flexible external solver binary location on Windows, see the updated environment variable documentation (76ced3d9)

• Ticket 1337: Make SHOP store all log messages instead of only the 1024 latest messages. All messages are cleared after they are retrieved through the API (45a2d105)

17.14.0 (2026-03-27)¶

Technical chores¶

• Ticket 1387: Return model error if a plant with pump(s) is connected directly to a river downstream. (af139e8d)

• Updated description for the p_rr_min attribute on pump and generator and the associated rr_up_stop_mip_flag/rr_down_stop_mip_flag and rr_up_stop_mip/rr_down_stop_mip (on global_settings) attributes. (c28e93d1)

• Updated the SHOP Gurobi interface to be compatible with Gurobi v13.0.1 (7e4124d9)

Bug Fixes¶

• Ticket 1378: Avoid numerical issues when calculating q from p and head for generators with a low maximum turbine efficiency (5fd4e923)

• Ticket 1391: Make sure the internal shop_network object is serialized properly when doing a partial serialization (55b97be6)

• Updated the rr_up_stop_mip functionality on pumps in connection with the p_rr_min attribute, so that it works just as the rr_down_stop_mip functionality on generators. (daa7dd07)

• Make sure that XYT attributes are also resampled when changing time resolution between iterations in SHOP (f8243921)

Features¶

• Ticket 1392: Front and back fill timeseries when they are resampled after time resolution has changed (33a40521)

• Online SHOP: Implement REST API endpoints to save and load binary states through SHOP server, see the documentation: https://docs.shop.sintef.energy/examples/shop_server/shop_server_endpoints.html#utility-commands (a63e6b65)

• User prioritized development: Implemented start and stop costs for flow in rivers (284c5301)

• Implement a function call in the API to reset an attribute to its default value. Exposed in pyshop (commit 7775f67b) as: shop.model.generator.max_p_constr.reset() (f24dbbfc)

17.13.1 (2026-03-18)¶

Bug Fixes¶

• Ticket 1384: Avoid a hard crash when a river with a up_head_flow_curve and a gate_opening_curve is not connected to an upstream reservoir (b6872686)

• Ticket 1379: Allow needle combination objects to be connected to the generator object in arbitrary order. SHOP previously expected the needle combinations to be connected in order from lowest to highest production capability (837af9fc)

Technical chores¶

• Ticket 1383: Print a warning to the log instead of throwing an exception if the steps in the time resolution are too long compared to the time steps (187bf208)

• Enforce first y-value to be zero in the up_head_flow_curve attribute on the river object, that is, no flow at the upstream_elevation river floor, and print warning if the user input is nonzero. (e18db7d2)

17.13.0 (2026-03-12)¶

Bug Fixes¶

• Ticket 1371: Update the attribute description of the load_value attribute to specify which price is used to valuate the load (b9314938)

• Ticket 1375: Increase the numerical tolerance in the BP algorithm to 1e-3 MW when selecting valid sets of needle_combinations for pelton units (4fb83039)

Features¶

• User prioritized functionality: Add documentation of NaN attributes and ensure consistent error handling (423af027)

• User prioritized functionality: Implemented constraints to avoid delivering FRR reserves into forbidden operating regions of pelton units (156082d5)

• Online SHOP functionality: Implemented an option for saving/loading only the internal (“partial”) SHOP session state, assuming that the model with both input and output attributes (the external state) have already been set by the user. (2512b78f)

• Online SHOP functionality: Add the “update water_value_calculations” command to manually specify that energy conversion factors and global water values should be recalculated in the next iteration (46c9ba68)

• Online SHOP functionality: Enable going back from incremental to full iterations when the online SHOP functionality is activated (8d08055a)

• Expose the “set lp_info” command that can be used to minimize the data copied over to CPLEX for large SHOP models with long time horizons (60d728e8)

Technical chores¶

• Change “Future deprecation” to “Deprecated” in attribute documentation for clarity, and update time_delay_unit documentation (ab8d616c)

17.12.0 (2026-03-03)¶

Bug Fixes¶

• Ticket 1370: Allow running SHOP with binary generators that only have a single point on each turbine efficiency curve (e21e4b66)

• Ticket 1369: Avoid printing out warnings if the gen_eff_curve goes beyond the p_max of the generator (1e61ec4e)

Features¶

• Implement support for (de)seriailization of a full SHOP run with the online optimization license (72a8395b)

• Make it possible to update the time resolution between iterations with the online optimization license (34a0eea3)

17.11.0 (2026-02-18)¶

Bug Fixes¶

• Ticket 1367: Avoid infeasible models if a river has a gate_opening_curve but only one up_head_flow_curve (from SHOP 18: up_level_flow_curve) (df404236)

• Ticket 1363: The command “set stop_cost_from_start_cost” crashes if the startcost timeseries are not specified for all units (2f5109bc)

• Ticket 1365: Print the attribute name instead of index when trying to set an attribute without the proper license in JSON (84fc708b)

• XY_arrays are not correctly parsed in JSON format due to duplicate ref values (42c74a64)

• Ticket 1362: Make variable time resolution work properly in the JSON format (c0761125)

• Fix incorrect parsing of stochastic TXYs (from SHOP 18 called timeseries’) in ASCII format, an incorrect connection from plant to needle_combination when reading ASCII files, and an error when the nonphysical overflow warning is printed (ad35df8b)

Technical chores¶

• Add model testing warnings if river upstream_elevation is above upstream plant outlet_line or different from upstream tunnel end_height. (0ee2ec7a)

• Various internal restructuring to enable serialization

Features¶

• Implement the input attribute disable_rsv_penalties on the reservoir object which can be used to disable reservoir penalties individually (ec6f1e4c)

• Core internal functionality for full and partial serialization of the state of SHOP objects, with preliminary testing. (cc9b4dba)

• Ticket 1351: Expose the “test case” command that can be used to run input data consistency tests without running a full optimization/simulation (79f52611)

• Reduce the number of tunnel network simulations and reimplement the tunnel network flow equations for a tighter formulation (6ec7fb73)

17.10.1 (2026-02-17)¶

Bug Fixes¶

• Ticket 1358: Avoid checking the SHOP license file twice when loading in a JSON model from pyshop (ac61b744)

• Ticket 1359: Throw an understandable error if less than two points are given on the gen_eff_curve and turb_eff_curves on generator objects (87422280)

• Fix errors in the bidding example in the documentation, and a crash if no sale price is defined on a market (5efda8ec)

• Ticket 1357: The /mc_format option in the print bp_curves command may cause a segfault with pelton units if turbine efficiency curves are not reset properly (1d8128db)

Technical chores¶

• internal preparations for full serialization related to the Online SHOP project

17.10.0 (2026-01-28)¶

Features¶

• Ticket 1339: Re-implement the gate optimization functionality for rivers to be more stable (8ccde379)

Bug Fixes¶

• Ticket 1322: Added computation of local water and energy values for pure pumping storages, i.e. the energy_conversion_factor is negative. The local water value is the global water value minus the global water value of the upstream reservoir. The local energy value is the local water value divided by energy_conversion_factor. (6d0cc073)

• Fix a bug where the simulated river flow can be slightly negative, and make sure simulated reservoir penalties (sim_water_surplus and sim_water_deficit) are consistent when changing time resolution in the simulator (81facbb9)

Technical chores¶

• Various internal modernizations related to the Online SHOP functionality

• Update Windows build to use Visual Studio Build Tools 18 (Visual Studio 2026) (1aaef76e)

• Remove non-functioning “start shopsim” command options (/plant_mw, /plant_m3s, /optimize) (6d503a94)

• Implement automatic and improved release notes generation (db9fdf8c)

17.9.1 (2025-12-29)¶

Technical chores¶

• Add back double quotes in command documentation for correct python parsing (f174a98f)

17.9.0 (2025-12-19)¶

Features¶

• Implement new command “activate online_optimization” which allows setting output attributes and objects so that a SHOP run may be continued with the Online SHOP license (b48cf096)

• Implement new constraints for min gross startup head on generators and pumps (9cf817f9)

Technical chores¶

• Switch out almost all lib attributes definitions with a nicer version hiding the lambda functions (db4f596d)

• Create a new function to loop over and allocate all output TXYs (from SHOP 18 called timeseries’) on all objects using the API (b8ce1464)

• Bump nodejs version in vlab image to 22 (e200edbd)

17.8.4 (2025-12-03)¶

Bug Fixes¶

• Ticket 1324: Moved handling of logging endpoint in SHOP Server from Session to Server to increase the lifetime of response-objects (7c69b246)

• Lock Jupyter books to v1.0.4 because v2.x have a lot of breaking changes and requires rewrite of the documentation repository (9675caa8)

Technical chores¶

• Update discharge schedule description to include min/max/best flag values (6085c75f)

• Add the Cereal package and start serialization of the SHOP core for the Online SHOP project (4ff28e96)

17.8.3 (2025-12-02)¶

Technical chores¶

• Update fedora build with correct signing keys (19bab5cf)

17.8.2 (2025-12-01)¶

Bug Fixes¶

• Ticket 1299: Make sure FCR-N and FCR-D have individual extra reserve capacity limits if both p_fcr_n_min/max and p_fcr_d_min/max are specified at the same time (169bd4b1)

Features¶

• Add packaging support for Fedora. (291ddb94)

  • Add signing of rpm packages. (311ecea1)

  • Add component based packaging. (462aa978)

  • Add project to repackage cplex as an rpm package. (59fd8caf)

Technical chores¶

• Avoid setting output-dirs or build-rpath on linux & use bundle-dir. (782f8933)

• Add ccache to GitLab CI/CD for improved compilation times (e863baff)

• Remove shop_linker_test. (204674c2)

17.8.1 (2025-11-26)¶

Technical chores¶

• Clean up some raw pointers. Potential fix for ticket 1324 (b228ad75)

• Give a warning for invalid options to the set method command (56adf3a7)

17.8.0 (2025-11-21)¶

Bug Fixes¶

• Ticket 1323: The marginal cost calculated in the BP algorithm is incorrect for plants connected to a downstream tunnel going into a river (93c19c24)

• Make sure CPLEX does not overwrite logfile in each iteration. Free additional memory capacity after LP model has been built (e91f4d03)

• Make sure the correct unit on/off variable is retrieved when flex_mip is not used (b3a1bad0)

• The water value of reservoirs only connected with rivers is not calculated in the simulator (d795bdfd)

Features¶

• Implement the Online SHOP license (c7ffd183)

• Implemented min and max plant consumption and upflow constraints (fe9c74eb)

Technical chores¶

• Fix some compiler warnings (22aec29b)

• Convert most char* stored in various SHOP objects to std::string (4030e033)

• Modernise solver interface with vectors, unique_ptrs and member functions/constructors. (1d1dc739)

• Store external arrays as std::vector internally (6cca210e)

17.7.0 (2025-11-11)¶

Bug Fixes¶

• Ticket 1315: Incorrect negative plant head warning for plants connected to tunnel networks with constant downstream pressure (63d6b229)

Technical chores¶

• Add internal hardware as build runner (bce2e297)

Features¶

• Ticket 1313: Implemented new input to specify which direction the ramping_steps constraints should be built (3de3289b)

17.6.0 (2025-10-21)¶

Bug Fixes¶

• Ticket 1253: Make the ramping_steps functionality more consistent with the old ASCII implementation (7cfac7ca)

• Ticket 1307: Calculating q from p fails in BP algorithm if turbine efficiency curves go far below p_min (f928ebe5)

Features¶

• Ticket 1167: Implemented gross_head_min/max constraints for generators and pumps (aa24fa39)

• Added output TXYs (from SHOP 18 called timeseries’) for the potentially fractional result of the on/off variable for pump, generator, and needle_combination (c6cb28dd)

• Improve tunnel network solver slightly by improving initial solution guess (206980b5)

Technical chores¶

• Removed Python 3.9 and bumped default Python version to 3.14 (aec8a3be)

17.5.0 (2025-10-03)¶

Bug Fixes¶

• Ticket 1281: Allow use of p_rr_min > 0 at the same time as rr_down_stop_mip is active (d1fcfd90)

• Ticket 1306: Make sure BP uploading works for pelton units with the command option /mc_format (f1b67d2f)

• Ticket 1304 and 1305: Implement use of Newton’s method for calculating Q from P in BestProfit (3c512936)

• Ticket 1296: Fix the calculation of the maximum unbalance reported in the SHOP log (c494916f)

Features¶

• Implemented new constant double attribute versions of the TXY (from SHOP 18 called timeseries) attributes startcost, stopcost, flow_cost, and max_flow. (5d42d13d)

Technical chores¶

• Add some internal debugging features for tunnel networks (a3b6f80b)

17.4.0 (2025-09-19)¶

Technical chores¶

• Remove the unused log_file parameter from SHOP Server (93331d71)

• Update SHOP internal readme (b96800ff)

Features¶

• Ticket 927 and 1244: Implement CPLEX termination via SHOP Server (885f4514)

17.3.0 (2025-09-12)¶

Bug Fixes¶

• Ticket 1290: Vectorise the building of the LP model in SHOP to avoid insufficient memory allocation errors (aefbb4cc)

• Ticket 1288: Pelton uploading in BP is incorrect when multiple pelton units are in the same unit combination (f9a3418c)

17.2.0 (2025-08-29)¶

Bug Fixes¶

• Ticket 1265: Reimplement BP bid matrix code to avoid errors about adding empty XYs (9ed3b07d)

• Ticket 1283: Fix potential crash when printing PQ curves to an xml file from the print_bp_curves command with the /mc_format option (5945fc38)

Technical chores¶

• Ticket 1286: Split out Armadillo + MKL into a separate shop_utility library (1a30724c)

• Update armadillo to v15 and include the armadillo and intel MKL version numbers in the SHOP version number. (a7ae4fe5)

• Split objective function into multiple parts for better clarity and less boiler-plate code (e85aee18)

17.1.0 (2025-08-18)¶

Code restructuring¶

• Use the Armadillo linear algebra library to solve the tunnel network equations for increased speed and reliability (720db1ec)

Bug Fixes¶

• Ticket 1277: Removed automatic re-commitment of generators delivering FRR-up when MIP is off, even when p is below the cutoff limit. (02dcc89e)

• Ticket 1194: Improve clarity of attribute units in the documentation (1f1aea14)

• Ticket 1276: Create a default busbar object for models without any energy markets and user-defined busbars to avoid fatal model building errors (a3ac68bf)

Features¶

• Implementation of dynamic reservoir level constraints that limit the difference between min and max reservoir level within fixed time periods in the optimization (01510147)

Technical chores¶

• Fix technical dept related to type forward declarations and null pointer handling (5cc8fa6b)

• Remove old and deprecated thermal unit description from code base (f66e3ffc)

• Print a warning to the log if turbine or generator efficiency curves are given as numbers between 0 and 1 instead of 0 and 100 (685f1670)

17.0.0 (2025-07-04)¶

Technical chores¶

• Added openblas and armadillo packages and updated vcpkg to newest version (1d4b3497)

• Fix crashes in the bulk tester (7e0647dd)

Code restructuring¶

• Restructure building of PQ curves in full model with and without MIP (9c75d6bb)