Electricity generated with coal is significantly less expensive than electricity generated with natural gas.

In 2010, the average cost of baseload electricity generated with natural gas was 47 percent more expensive than electricity generated with coal. The production cost of coal-fueled generation averaged approximately $33 per megawatt-hour, compared to almost $49 per megawatt-hour for combined cycle natural gas.

FERC Form 1 data for 2010. These figures represent the production costs for electricity generation, which include fuel and non-fuel operating expenses plus maintenance costs.