There are many ways to generate electricity without lakes. Some examples include solar power, wind power, nuclear power, geo-thermal power, and coal, oil, and gas powered electric plants.
because there is dry
evaporation
Ones that are empty
Lakes
When cold dry air blows over large lakes and then over land forms what
Animals that don't live in oceans, lakes, rivers, streams, swamps, bogs, etc. Are all dry land animals. ~ ~Sleenky
Salt
Lakes in Australia are still called lakes. However, many of those in the interior are salt lakes, and because they tend to be dry much of the time, they are called saltpans.
There are Five Oceans and Seven Seas, all aquatic- unlike the Maria on the Moon which are dry lakes- no water on this sub-planet.
Salt
The sun's heat.
Calderas can be occupied by lakes, but they do not have to be. Seomve calderas are dry while others are located beneath the sea.