![]() It has nearly 80 gigawatts (GW) of maximum installed power capacity, but the heatwave has cut output to less than half that at peak times, data for two-week averages to June 11 from state network operator EVN shows, or not even enough for normal days.Īverage peak demand has grown roughly fourfold since 2006 to 42.5 GW in 2021, an EVN presentation showed in February. ![]() ![]() That left the highly populated and industrialised north short of 4.35 GW during the heatwave, the government has said.Ĭoal-fired plants accounted for about 60% of electricity output last week, EVN data showed, and May imports of coal, at 4.5 million tonnes, were the highest since June 2020, according to Refinitiv data.īut even coal is falling short, as roughly 25% of capacity at such plants has been idled for repairs, the industry ministry said.Ī lack of rain has hit output of hydropower, the No.2 source of electricity, with some northern provinces receiving just about a fifth of last year's figure, weather data show. Water levels at almost all northern hydropower plants are too low for them to run at more than a quarter of designed capacity, the industry ministry has said. While solar forms a quarter of Vietnam's installed capacity after a surge in investment in renewable power in the previous decade, little of that has been tapped, due to delays in project approvals, lengthy tariff talks and regulatory uncertainty. Installed capacity from solar farms and rooftop panels stood at 19.4 GW by the end of 2020, but just 10.5 GW was in use on average at peak time in the heatwave, EVN says.Īnd few solar energy producers are hooked up to the grid, with many having waited years for tariff agreements. Partly as a result, solar's contribution to Vietnam's power mix is set to drop to 8.5% of installed capacity by 2030, excluding rooftop panels, as other energy sources gain share under a power plan for this decade approved in June.
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