We paid much time to process the original data. You can download the data that has been preprocessed. Also, using these data we have published some papers, which you can find below. Maybe these papers can provide you with some ideas. We would appreciate it if you quoted our paper.
And you can also download the original Irish data from the web address.
@article{deng2019multi, title={Multi-scale convolutional neural network with time-cognition for multi-step short-term load forecasting}, author={Deng, Zhuofu and Wang, Binbin and Xu, Yanlu and Xu, Tengteng and Liu, Chenxu and Zhu, Zhiliang}, journal={IEEE Access}, volume={7}, pages={88058--88071}, year={2019}, publisher={IEEE} }