THE board of the Energy Regulatory Commission (ERC) is expected to rule on November 21 on whether to accept an appeal lodged by Global Power Synergy (GPSC) against the regulator's decision in October to block the company’s plan to take over fellow power producer Glow Energy.

THE Energy Regulatory Commission (ERC) yesterday blocked plans by a unit of PTT group to buy 69.11 per cent of the shares in fellow power producer Glow Energy.