Tidal energy plants overall are easy as well as cheap to maintain in comparison to other sources of energy. They are pricey to build, however once they are built they are cheap to maintain. It is easy and cheap to connect to the grid and provides a good source of energy.
Tidal energy plants are expensive to maintain. It is the fact that the plants require a lot of irrigation purports that the cost of caring for such plants as the tidal energy plants would present a major expense to the greenhouse keeper or gardener. Energy plants have to be regulated.