Germany wind power
Electricity rates in Germany drop by up to 40% during the hours in which solar power or wind power are active -- and this is what Merit Order ranking is all about, using the cheapest available electricity source first - and then filling in the gaps with more expensive coal-fired electrical power generation.
When the German government announced it would phase out nuclear energy within the decade, many wondered how they would replace a source that provides one-quarter of the country's current energy demand. Would fossil fuels meet the demand? Were renewable energy technologies capable of filling the void?