PTBA: Production Volume of 50 Million Tonnes. Bukit Asam (Persero), Tbk (PTBA) will continue to expand. In 2022, PTBA targeted the volume of coal production in Tanjung Enim will reach 50 million tonnes. This is in line with the target of operating steam power plant PLTU Bangko Tengah Blok A and the addition of Train Load Station (TLS). To subscribe please click here