wvu arts and entertainment Chevron is currently the largest geothermal energy producer on earth. They began geothermal operations in 1960 in the western US. Further discoveries and commercial production were introduced inside the Philippines and Indonesia by 1990. They have a production capacity of just one,273 megawatts of geothermal renewable energy - enough to satisfy certain requirements of huge numbers of people - which is simply the beginning of untapped geothermal alternative energy. Gradually a great many other companies are chipping in because Geothermal Energy can contribute substantially in order to meet the rising demand of energy across the globe.