The menu Charts is a very important tool to diagnose and avoid bottlenecks in your base management. It allows you to view various graphs, i.e. power balance, O2 balance, stored food, (...) . By looking at the trends regularly, shortages can be mostly avoided.
However, be aware that though the units and scales of the indicators may vary hugely, everything gets plotted on the same axis, once activated by clicking on the small icons.