It's based on the most expensive source that is required to meet demand. If ther...

		cavisne 8 months ago \| parent \| context \| favorite \| on: How the U.K. broke its own economy It's based on the most expensive source that is required to meet demand. If there is enough wind to meet demand then gas is not needed or factored in to the price. All markets (not just energy markets) work in this way.