Jakarta, May 25 -- Deputy Minister of Energy and Mineral Resources Yuliot has urged the state-owned electric utility company PT PLN to balance the power supply across regions preventing a recurrence of the "Sumatera blackout".

"There should be power plant in every region. We should not have too many areas relying on electricity supplied from regions that are quite far away, such as from southern to the north (like in Sumatera)," he told the press at the parliament area in Jakarta on Monday.

Yuliot noted such heavy reliance on distant power sources was precisely the reason why restoring the electrical grid in Sumatera took much time. In addition, he urged the company to conduct a technical study to improve the system.

"The system must a...