In the case of subsidized, "merchant" (free-market, privately financed) energy suppliers, they do in fact disconnect when they don't feel like selling. If you

In the case of subsidized, "merchant" (free-market, privately financed) energy suppliers, they do in fact disconnect when they don't feel like selling. If you have a gas-powered merchant plant, and the spark spread isn't good, you turn it off until energy prices rise again. http://en.wikipedia.org/wiki/Spark_spread http://en.wikipedia.org/wiki/Spark_spread