Answer:
The solar energy is expensive to input and it lacks energy when it's in winter. Because the days are short and it depends on sunlight.
The wind energy is similar to old time windmills, but to keep wind power going, it well, needs wind.
Water energy is a great source of energy where many places are already using. But to create water energy, it needs to build dams. Which many argue is a harm to the environment.
A possible solution for finance might be to have the government collect more taxes. Another solution might be to use 3 energy all at once. As in, summer, we use solar. When there is wind we use wind. And water energy can be used when there both energy don't work.