Why is renewable generation not resulting in cheaper energy prices?

Why is renewable generation not resulting in cheaper energy prices? This is one of the most common questions we hear from energy consumers. After all, the ‘fuel’ required to generate power from solar panels or wind turbines is free.
The answer though is far more complex.
So to explain the underlying rationale in clear and straightforward terms, we recorded a three-minute conversation between our Senior Costing and Risk Manager, Stephen Evans, and wholesale energy trader, Mark Ursell, from our Optimisation Desk at npower Business Solutions.