This has already happened somewhat in Germany. Solar panels have completely disrupted midday wholesale electricity prices. The effect is so strong that occasion

This has already happened somewhat in Germany. Solar panels have completely disrupted midday wholesale electricity prices. The effect is so strong that occasionally the spot price goes negative: if you're not producing renewable energy, you have to pay to put your energy into the grid. http://blogs.scientificamerican.com/plugged-in/2014/10/07/energiewende-two-energy-lessons-for-the-united-states-from-germany/ http://blogs.scientificamerican.com/plugged-in/2014/10/07/en...