Geothermal

Geothermal

Geothermal gradient is the rate of increasing temperature with respect to increasing depth in the Earth's interior. Away from tectonic plate boundaries, it is 22.1°C per km of depth (1°F per 70 feet of depth) in most of the world. Strictly speaking, geo-thermal necessarily refers to the Earth but the concept may be applied to other planets.

Industry: Energy

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Geothermal

known geothermal resource area (KGRA)

Energy; Geothermal

A region identified by the U.S. Geological Survey as containing geothermal resources.

load

Energy; Geothermal

The simultaneous demand of all customers required at any specified point in an electric power system.

mantle

Energy; Geothermal

The Earth's inner layer of molten rock, lying beneath the Earth's crust and above the Earth's core of liquid iron and nickel.

megajoule

Energy; Geothermal

The unit of energy is the joule (J). It is defined as the work done, or energy expended, by a force of one newton moving one metre in the direction of the force. When we consider power generation, we ...

megawatt (MW)

Energy; Geothermal

One megawatt is equal to 1000 kilowatts or one million watts.

multiplier effect

Energy; Geothermal

The multiplier effect is sometimes called the ripple effect because a single expenditure in an economy can have repercussions throughout the entire economy. The multiplier is a measure of how much ...

peaking plants

Energy; Geothermal

Electricity generating plants that are operated to meet the peak or maximum load on the system. The cost of energy from such plants is usually higher than from baseload plants.