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J. Matthew Roney's Posts

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Blown away: Wind power growing faster than other top electricity sources

Photo by Washington State Department of Natural Resources.

Cross-posted from Earth Policy Institute.

A new picture is emerging in the U.S. power sector. In 2007, electricity generation from coal peaked, dropping by close to 4 percent annually between 2007 and 2011. Over the same time period, nuclear generation fell slightly, while natural gas-fired electricity grew by some 3 percent annually and hydropower by 7 percent. Meanwhile, wind-generated electricity grew by a whopping 36 percent each year. Multiple factors underlie this nascent shift in U.S. electricity production, including the global recession, increasing energy efficiency, and more economically recoverable domestic natural gas. But ultimately it is the increasing attractiveness of wind as an energy source that will drive it into prominence.

Read more: Wind Power

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It’s time to rethink Japan’s energy future

Nearly four weeks after a 9.0-magnitude earthquake and tsunami devastated northeastern Japan, emergency personnel are still struggling to stabilize the disabled Fukushima Daiichi nuclear power plant. Beyond the immediate need to minimize further radioactive leakage and protect public health, the government is beginning to reconsider its long-term plans for nuclear power expansion. International media coverage has typically assumed that Japan must expand its electricity generation from coal, oil, and natural gas if nuclear is no longer an option. But the leaders in Tokyo do not have to be restricted to just these choices. A review of Japan’s geothermal, wind, and …