Morning peak rates eliminated as EVN shifts all surge pricing to evening A solar farm operates near wind turbines in Quy Nhon, Vietnam, on June 11, 2023.
Morning peak rates eliminated as EVN shifts all surge pricing to evening A solar farm operates near wind turbines in Quy Nhon, Vietnam, on June 11, 2023. Vietnam has shifted peak-power pricing to the evening as growing solar capacity eases daytime supply concerns. HO CHI MINH CITY -- Vietnam's state power utility has scrapped one of two peak power pricing periods and extended the other by two hours, moves aimed at reducing grid strain when demand is highest and solar generation falls away.