The first electric bulb powered by earth-heat energy, following Alcaraz's breakthrough, was lit in which location?

Answer

Tiwi, Albay

Alcaraz’s breakthrough led to the lighting of the first electric bulb in the Philippines powered by earth-heat energy in Tiwi, Albay, on April 12, 1967.

The first electric bulb powered by earth-heat energy, following Alcaraz's breakthrough, was lit in which location?
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