HBA coal reference price plunges to multi-year low Tuesday, September 10 2019 - 03:31PM WIB The government rsquo s September coal reference price or better known as HBA sank to its ... Log in to read the story Login Related News & Products Indonesian Nickel Book 2022 Bumi Resources Q1 net profit rises 12.28% Indonesian Coal Report Issue 51 ITMG increases solar capacity commitment by 400% Indonesian Nickel Report Issue 48 Ministry sets higher April HBA for high CV coal UNTR: Operational updates as of March 2024 Indonesia Coal Industry Map 2023