Wind and solar power are non-dispatchable. This means that energy can be generated only when there is wind blowing or there is appropriate sunshine.
Electricity system has to adjust to the demand patterns of electricity. Therefore, there is an integration cost which is not included in the estimates of the levelised cost of electricity.
This would require that other conventional sources of energy like coal-based power plants have to fill in the gap during times when renewables are not supplying power.
One solution to the intermittency problem is storage. The future costs of renewable energy generation depend crucially on the path taken by ....
