Thursday, November 22, 2007
Coal power | Still going strong
Efforts to curb greenhouse-gas emissions have yet to dent enthusiasm for coal
No utility with any respect for its shareholders' money, says Michael Morris, the boss of the biggest one in America, AEP, would build a heavily polluting coal-burning power station in America these days, for fear that it would become a liability if the government moved to limit emissions of greenhouse gases. Europe already has a cap on emissions, which is designed precisely to discourage dirty fuels such as coal. So why is it that utilities in both places are running their coal-fired plants at full throttle, have several new ones under construction and would like to build even more?
Using coal to generate electricity produces more greenhouse gases per resulting watt than using oil or natural gas, but coal is cheap. In countries where there are no limits on emissions and where demand for power is growing rapidly, such as India and China, coal is booming. Energy lore has it that in China a new coal-burning plant is fired up every week. What is certain is that China has become a net importer of coal for the first time this year. India's imports have been growing steadily for the past 20 years. The International Energy Agency, an energy watchdog for rich countries, projects that demand for coal will grow by 2.2% a year until 2030—faster than demand for oil or natural gas. Coal-mining firms in Indonesia and Australia, the biggest exporters, are digging as fast as they can but are still struggling to cope with the surge in orders. Freighters are literally queuing up off Newcastle, Australia, the world's busiest coal port.
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