This replication package contains the dataset and the R scripts required to reproduce the empirical analysis presented in the article “From growth to spatial structure: Forecasting and clustering the evolution of solar energy across Chinese provinces.” The package includes monthly provincial solar production data for China, the R code used to estimate forecasting models (including SARIMA, ETS, NNAR, and others), generate forecasts up to 2029, and perform spatial analysis using Moran’s I and LISA clustering techniques. It also produces the figures and tables reported in the paper, along with all necessary instructions for replication.