The world’s geothermal vanguards point the way forward. They also underscore the importance of government involvement in growing generation. Even with a viable location in hand, geothermal plants can be expensive to bring online. The up-front costs of drilling are especially steep, particularly in less certain, more complex environments. That is why public investment, national targets for its production, and agreements that guarantee power will be purchased from companies that develop it have a crucial role to play in expansion. These measures all help to rein in the level of risk for
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