Because none of those (except hydro and geothermal, but those are both extremely location dependent) will deal with the baseload power generation we need.
Is this the problem though? I mean: The sun is shining somewhere at all times and the wind is blowing somewhere at all times. Energy is being produced. The problem is either storing it (okay, batteries are expensive, I get it) or better: distributing it.
In Germany we have the problem that we are producing a surplus of wind energy in the north but currently we are not able to distribute the energy into the south of Germany which results in needing gas power plants in the south while at the same time shutting down wind generators in the north. This is obviously bad.
Upgrading our grid would solve this problem and would vastly reduce our need for gas energy. This is costly but is far from impossible.
Until we got a worldwide grid and cheap superconductor distribution, there will be gaps in coverage if you rely on just solar and wind. Of course there are many times when we have too much supply, but it’s not all the time.
Is this the problem though? I mean: The sun is shining somewhere at all times and the wind is blowing somewhere at all times. Energy is being produced. The problem is either storing it (okay, batteries are expensive, I get it) or better: distributing it.
In Germany we have the problem that we are producing a surplus of wind energy in the north but currently we are not able to distribute the energy into the south of Germany which results in needing gas power plants in the south while at the same time shutting down wind generators in the north. This is obviously bad.
Upgrading our grid would solve this problem and would vastly reduce our need for gas energy. This is costly but is far from impossible.
Until we got a worldwide grid and cheap superconductor distribution, there will be gaps in coverage if you rely on just solar and wind. Of course there are many times when we have too much supply, but it’s not all the time.