Code and data for: Timing or volume? Service-level sizing of battery swapping stations in joint DG–BSS planning

This record contains the code, network data, validation certificates and results that reproduce every table and figure of the article "Timing or volume? Service-level sizing of battery swapping stations in joint DG–BSS planning of radial distribution networks, with a certified optimality gap" (submitted to Sustainable Energy, Grids and Networks). Contents:- code/ – MATLAB/Octave planning platform v2.2.2 (backward/forward-sweep load flow, EVSI objective, battery-inventory station model with service level, DABC and other metaheuristics, DistFlow SOCP gap, statistics) with a regression suite of 386 checks.- code/data/ – IEEE 33-bus, 69-bus, 85-bus and 118-bus radial feeders (MATPOWER format) with provenance.- code/validation/ – pandapower load-flow certificate, SOCP exactness certificate, SciPy statistics certificate.- results/raw/ – results databases of all 600 main runs and 120 sensitivity runs (30 seeds each).- results/P1_analysis/ – CSV tables behind Tables 7–9 and the statistical tests.- paper_figures/ – Python scripts that draw Figs. 1–7. README.md gives the exact commands to reproduce the results. Tested with MATLAB R2023b and GNU Octave 8.4; Python 3 with cvxpy, clarabel and pandapower.