Electric Power Research Institute;
China Southern Power Grid;
Guangzhou 510663;
China;
Digital Grid Research Institute;
China Southern Power Grid;
Guangzhou 510663;
China;
The State Key Lab of CAD&CG;
Zhejiang University;
Hangzhou 310058;
China;
School of Computer Science;
Zhejiang University;
Hangzhou 310058;
China;
spatio-temporal data; electricity consumption; correlation analysis; visual analysis; visualization;