Green Plumbing

Category - Caring for Our Planet

Which of the following types of renewable energy has the highest costs for plant operations and maintenance?
  1. Solar thermal
  2. Biomass
  3. Geothermal
  4. Wind
Explanation
Answer: B - Biomass generating plants have the highest costs among renewable energy sources, for combined fixed and variable operations and maintenance, at $52.10 per megawatt-hour (as of 2013).
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