RE: Republicans on green energyObama still the odds-on favorite in 2012. No serious Republican candidates (who can actually win) declared yet.
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Clean energy polls well across the political spectrum, Obama focusing on clean energy to win over independents, without which one can't win a major election.
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Geothermal has great friends in Congress, Harry Reid especially. They've been extending production tax credits for years. The 2008 was extended to 2013, the 2013 deadline will likely be extended until 2016.
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New nuclear plants are dead for the near future, and natural gas prices are set to rise from unnatural lows. Geothermal is in a sweet spot for utilities forced to improve their renewable portfolios.