PT Pertamina Geothermal Energy Tbk (PGEO.JK) Stock Analysis & Winston Score

PT Pertamina Geothermal Energy is an Indonesian company that produces electricity from geothermal energy — heat that comes from deep inside the Earth. It operates geothermal power plants across Indonesia and sells the electricity it generates mainly to PLN, the state-owned national electricity company. It is one of the largest geothermal energy producers in the world by installed capacity. The company earns money through long-term power purchase agreements with PLN, which provide relatively stable and predictable revenue. It operates entirely within Indonesia, a country that sits on one of the world's richest geothermal belts, giving it a strong natural resource advantage that is hard for competitors to replicate. PT Pertamina Geothermal Energy is a subsidiary of Pertamina, Indonesia's state-owned oil and gas giant, which adds financial backing but also means the government has significant influence over its operations. The key growth driver is Indonesia's push to expand renewable energy capacity, though reliance on a single customer — PLN — remains a notable concentration risk.