PGEO's Geothermal Ambition Ignites: Lumut Balai Unit 2 Nears Full Power by June 2025 By Alphaxioms | June 18, 2025 In the heart of Sumatra’s steamy rainforest, a silent revolution is unfolding one that doesn't spew smoke or roar with turbines, but hums with the promise of a greener tomorrow. PT Pertamina Geothermal Energy Tbk (PGEO) is racing against time to power up its PLTP Lumut Balai Unit 2 , and with the first successful synchronization to PLN’s grid, the countdown to full commercial operation by June 2025 has officially begun. ⚡ The Beginning of a Brighter, Cleaner Era On June 16, 2025, PGEO achieved a crucial milestone: initial synchronization of Lumut Balai Unit 2 at 10% capacity (around 5.5 MW) of its total 55 MW output. What may sound like a small step was, in fact, the spark igniting a larger geothermal ambition. This step not only marks the start of transmitting electricity into the national grid, but it is also a powerful symbol of Indonesia’s forward march t...
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