the geothermal power potential of the tacna region has been researched, partly because the tacna region covers its electricity demand with either nonrenewable oil or with hydropower (which is subject to climate variations). mining is both an important economic resource in tacna and a major consumer of electricity. in the case of the chungará-kallapuma geothermal field, the capacity of a 75 megawatt power plant exists; however, despite ongoing research since 1974 and a high geothermal potential, no geothermal power production has taken place in peru .