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On the morning of November 23rd, the lowest temperature was recorded in 111 years since the introduction of the modern weather observation system, and the record heat continued, The orange light came in.
According to the Statistical Information System on Electricity, the demand for maximum electric power in the afternoon of 23 is 89.77 million kW to 3. the Electricity Statistical Information System, the government must restart nuclear power plants for repair as soon as possible. . The demand for electricity renews its peak every day. On the 19th, peak power demand in the afternoon exceeded 87.63 million kW. This figure is well above the previous peak of 85.18 million kW in August 2016. As a result, the electricity reserve rate fell to 8% (less than 8 million kW) from 16:00 on the 23rd.
As the demand for cooling power increases due to the heat wave, the government reacts by increasing the utilization rate of nuclear power plants. The utilization rate of nuclear reactors rose to 70% this month, which was only 57% due to the preventive maintenance of nuclear power plants in January. Previously, the government had predicted a peak power demand of 87.5 million kW this summer in the "Base Plan for the 8th Supply and Demand for Electricity" in December of last year, but it I missed it.
As the forecast is deviated, it is possible that the gap between projected demand and actual peak demand will become larger in the future. There were critics that the forecast of the demand for electrical energy was too conservative in order to reinforce the "nuclear power plant" policy. The Ministry of Industry announced on January 20 that even though the demand for electric power reached 88.3 million kW, the maximum electricity demand forecast at the time of the announcement of the Summer electricity supply and demand plan, Power reserve of more than 10 million kW and power reserve of more than 11%.
Nuclear power plants currently in operation in the domestic nuclear power plant are expecting 17, including Hanwool 4, which has taken over the development on 21.
Korea Hydro & Nuclear Power Co., KHNP has decided to restart its nuclear power plant as soon as possible, and announced on August 22 that it would postpone the maintenance schedule of nuclear power plants whose maintenance is planned.
The two nuclear plants under maintenance are Hanvit 3 and Hanul 2, which are currently in service. Hanvit 3 has begun preventive maintenance on May 11 and, if planned, maintenance will be completed on the 8th of next month. Hanool 2 completed the preventive maintenance plan on May 10, but it stopped operating on the 12th and is currently undergoing restoration work. The two nuclear power plants planned to be repaired were scheduled to begin on January 18 and 29, respectively, with Hanlight 1 and Hanool 1.
In some cases, it is pointed out that there are many security problems in order to speed up the maintenance period to meet the demand for electrical power. An energy industry worker who asked for anonymity said: "The fact that the utilization rate of nuclear power plants has been lowered and that energy demand has recently increased is contrary to the direction "nuclear power plant" .I have more technical problems. "He added:" We can not say that it is not enough to delay the necessary maintenance and resume early exploitation to benefit nuclear safety. "
Kim, Jong-hyung
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