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Friday, October 21, 2011
The Charlie Brown of Alternative Energy?
| | Among alternative energy, wind and solar get all the media attention, all the glamour. Yet both suffer from intermittency, from the problem that their power sources wax and wane. Solar disappears at night and weakens when clouds interrupt, while wind has its own unpredictable schedule. By contrast, geothermal draws on heat from deep below the earth to provide reliable base load power 24 hours a day. Unlike solar, it’s also currently competitive with conventional energy costs. Yet geothermal remains the Charlie Brown of renewables (or perhaps the Rodney Dangerfield): Although widespread development is often predicted, such hopes are repeatedly jerked away. |
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