PHILSTAR FILE PHOTOTHE ENERGY Regulatory Commission (ERC) has approved three capital expenditure (capex) transmission projects for the National Grid Corp. of the Philippines (NGCP), amounting to P38.09 billion.In separate resolutions, the regulator approved the development of the P17.09-billion Bolo-Balaoan 500-kilovolt (kV) Transmission Line, P16.8-billion