Peak-hour timetable change will not affect household electricity bills
Adjusting the peak-hour electricity timetable applies only to certain groups of time-of-use customers and does not change current electricity price, meaning it will have little to no impact on most household electricity bills.
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The Ministry of Industry and Trade’s issuance of Decision No. 963/QD-BCT in 2026 to adjust peak electricity hours is drawing close attention from both the public and businesses.
However, according to the National Power System and Market Operation Company Limited (NSMO), the adjustment does not change current electricity prices, does not increase the number of peak hours and has little to no impact on household electricity users.
Time-of-use pricing is widely used demand-management tools that shifts load, improves system operation and helps customers optimize costs by varying prices across daily time bands. According to NSMO, shifting the peak period can move about 3–5% of evening load to daytime, reducing system peak capacity by 450–750 MW. If shifting reaches around 10%, peak capacity could fall by as much as 1,500 MW, roughly the output of a large power plant.
This benefit not only helps reduce the need to dispatch high-cost power sources but also eases pressure on investment in new generation capacity and the power grid.
Amid the ongoing energy transition, adjusting peak-hour electricity periods is not simply a change in electricity price; it also helps ensure that time-of-use pricing better reflects the actual operation of Viet Nam’s power system, thereby improving the efficiency of renewable energy use, easing peak-load pressure, reducing reliance on high-cost power sources, and supporting safer, more economical and more sustainable power system operation in the long term.
Hai Phong News