Doosan Fuel Cell disclosed the price of a contract that had been confidential since September 2025. The company will maintain a byproduct-hydrogen fuel-cell plant for Ulsan Eneroot No. 2 for 20 years. The ₩35.3 billion value excludes VAT and equals 8.57% of 2024 consolidated revenue. Service fees are paid quarterly. The agreement runs through October 14, 2046, but its value and term may change.