Taiwan averts power crisis after plant malfunction
Taiwan averts power crisis after plant malfunction
2024-04-16
Taiwan narrowly averted a power crisis on Monday. Unit 8 at Tatan Power Plant malfunctioned during the peak evening hours, removing 1.1 million kilowatts of electricity from the grid. With many generators still under repair after the April 3 earthquake, the reserve capacity dropped to a mere 3.2%. This nearly triggered power rationing nationwide. But the measure was averted due to major power users reducing their demand on the grid.
Taipower workers make a risky repair, climbing up pipes for inspection. The April 3 earthquake led to the malfunction of many power plant units. To this day, Hoping Power Plant remains inoperative, meaning a loss of 1.3 million kilowatts for the grid. On Monday evening, a unit at Tatan Power Plant also went offline, resulting in a loss of 1.1 million kilowatts. That took reserve capacity to just 3.2% during the peak evening hours, setting off an orange alert for the power supply. Taiwan was at risk of nationwide power rationing.
Tsai Chih-meng
Taipower spokesperson
A water pump failure caused Unit 8 at Tatan Power Plant to shut down, removing 1.1 million kilowatts of electricity from the grid. It happened during the peak evening hours, that is, after about 5 p.m., when demand for electricity is at the highest. The incident caused reserve capacity to drop to 3.2%. TSMC has a standing agreement with Taipower that whenever the grid is under pressure, they help out. They turned on their backup diesel generators to generate electricity for Taipower.
The peak load hit 35.27 million kilowatts Monday afternoon, a record high for mid-April. Taipower had informed major electricity users and contracted firms of a potential need to reduce usage. When the malfunction occurred, big users cut back demand right away, and TSMC contributed nearly 300,000 kilowatts of power to the grid. Taipower put its hydroelectric plants at full capacity and activated parallel systems to avert a crisis.
Lai Shyh-bao
KMT lawmaker
It was clear that yesterday’s reserve capacity was insufficient. If this had occurred in July, when it’s hot and everyone has their AC on, what would’ve happened? And don’t forget that Maanshan Nuclear Power Plant will be decommissioned in July.
Tsai Chih-meng
Taipower spokesperson
During the day, the plants can store energy by pumping water into the upper pools. That water can be released during the peak evening hours to quickly boost the power on the grid. We also have dynamic generation systems. According to our assessments, this year’s power supply will remain within expected levels.
Taipower moved to reassure the public about the summer’s power supply. But with the decommissioning of two units at Mailiao Power Plant and the Maanshan Nuclear Power Plant from July 1, Taipower has its work cut out.
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險限電! 昨晚備載容量剩3.2% 台積電等大戶降載助台電
2024-04-16
0403花蓮強震後，除了震央花蓮和平電廠、台中、國光、海湖等機組都故障、管路扭曲變形至今還在修復當中，怎料屋漏偏逢連夜雨，大潭新8號機昨天傍晚跳電，一口氣少110萬瓩、備轉容量一度掉到3.2%，差點引發全台限電危機，好在台積電等上百用電大戶降載、民間協助供電，才度過危機。
台電人員冒著風險，爬上管線檢修，這回0403花蓮強震，全少不少電廠機組故障，和平電廠至今更是暫停發電，通通加起來總計少了130萬瓩。沒想到15號傍晚，大潭電廠新8號機居然跳脫，再少110萬瓩，夜間尖峰時段備轉容量掉到3.2%、亮起供電警戒橘燈，全台陷入限電危機。
[[台電發言人 蔡志孟]]
“水泵故障造成整部大潭8號機，大概110萬瓩就整個跳機，這時候剛好是進入夜尖峰，5點多夜尖峰最需要電的時候，它確實造成我們，備轉容量率一度降到3.2%，台積電跟台電很多廠商跟我們有默契，在台電供電吃緊，有需要它們幫忙，它們會把原來預備緊急自用柴油發電機，協助台電來發電”
昨天下午尖峰負載衝到3527萬瓩，創史上4月中高峰，好在台電提前通知用電大戶、簽約廠商，第一時間上百間廠商降載，台積電更主動提供將近30萬瓩電量，加上台電水力發電全開、其他機組併聯，順利度過難關。
[[立委(國) 賴士葆]]
“很明顯的，昨天的備轉容量就一定是不夠，等到7月的時候，最熱的時候，幾乎每家都開冷氣的時候，要怎麼辦，而且7月不要忘了，核3電廠要除役”
[[台電發言人 蔡志孟]]
“白天其實抽蓄，它可以做這個抽水的動作，把水儲在上池，那到了夜尖峰有需要的時候，它再做迅速的放水，增加系統的這個供電的餘裕，那還有這個機動的調度，所以就我們的評估，今年的供電目前來看，應該還是在我們的預料之中”
台電強調今夏供電無虞，但今年麥寮2部機組、核三1號機將陸續除役，能不能確保供電，對台電來說是一大挑戰。
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