Energy
Energy is produced in squares with Solar Collectors, particularly those at high Altitudes.
A river will also increase energy output by +1.
Ocean shelf squares can produce energy with a Tidal Harnesses.
Depending on the Energy Allocation which you have made on the Social Engineering screen, all the energy you produce is divided among three priorities: Economy, Labs, and Psych. Some of the energy a base produces may also be lost to Inefficiency.
Special Energy Resource squares produce two extra energy, and lift energy restrictions for that square. Various landmarks produce one more energy per square; Uranium Flats, Geothermal Shallows, Pholus Ridge, and squares around Mount Planet's mouth.
Base squares have no restrictions.
The discovery of Environmental Economics lifts all energy restrictions.
See also Commerce (Advanced)