Puna Geothermal Venture - Hawaii News Now - KGMB and KHNL

Puna Geothermal Venture

PGV has been quietly producing geothermal-generated electricity for Hawaii Electric Light Company for years, working to be a good neighbor, and a steady supplier of power. Since becoming part of Ormat, a company with considerable depth in geothermal knowledge, PGV has undergone substantial upgrades.

Geothermal energy is heat from Earth's interior. Geothermal heat originates from Earth's fiery formation more than four billion years ago. At Earth's core—4,000 miles deep—temperatures may reach over 9,000 degrees Fahrenheit.

Geothermal resources are found in three types of locations: in shallow ground; in the hot water and rock located a few miles beneath the earth's surface; and even deeper into the earth where molten rock reaches extremely high temperatures.

This heat, called geothermal energy, provides warmth and power without polluting the environment.

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