When properly developed and managed, geothermal systems are a clean, abundant, and reliable source of renewable energy. Use of geothermal energy for electricity generation or for direct use conserves non-renewable and more polluting resources. Installed geothermal electricity generation capacity world-wide is equivalent to the combustion of nearly 30 million tonnes of coal or the output of about 10 nuclear plants.
Steam pipes leading to Wairakei power station