is geothermal energy renewable or nonrenewable

Is geothermal energy renewable or nonrenewabl?

is geothermal energy renewable or nonrenewable? this question is always repeated so,let me think, is geothermal energy renewable or nonrenewable?
what is make certain form of energy renewable or nonrenewable? its natural or its cost or its source or what?

Is geothermal energy renewable or nonrenewable

first, geothermal energy isn't nonrenewable resource, as nonrenewable resources are the resources that will expire over a certain time for frequent use and are available in nature with limited quantities, they include fossil fuels such as oil, gas and coal all species that formed over the years in the ground.

Is geothermal energy renewable or nonrenewable

second, renewable resources are natural resources permanent and non-depleted and are available in nature, whether limited or unlimited, but renewed constantly a clean does not produce environmental contamination and the most important of these sources is the geothermal energy.
so now we can answer the question " is geothermal energy renewable or nonrenewable ? " 

geothermal energy is the most important and largest new and renewable resources on earth after solar energy and features availability and cheaper operating costs and cleanliness compared with non-renewable resources, but it is still the most expensive energy in construction costs.
so, i hope that i answered the question " is geothermal energy renewable or nonrenewable "