Sichuan is the largest hydropower province. What caused the power shortage?

Mainly due to the shortage of water resources and the surge in electricity consumption.

Yesterday, I read the news report, and some people reported that "there were long-term irregular power outages in many counties, towns and villages, such as Gema Village, Da 'an Town, Guang 'an District, Guang 'an City, Sichuan Province, Quxian County, Yuehua Town, Dazhu County, Dazhou City, and Santai County, Mianyang City, and the normal life and physical health of residents were affected to some extent. "

When I first saw this problem, I was a little confused. Why do you say that? Because Sichuan, as the largest hydropower province in China, used to supply electricity to others, and it rarely happened that it was still short of electricity.

Later, I looked up information on the Internet and finally found the reason. It turns out that the power shortage in Sichuan is mainly caused by two reasons. On the one hand, many reservoirs have reached or approached the dead water level, resulting in a reduction of hydropower generation by nearly 50%; On the other hand, the weather is too hot, which further increases the electricity consumption.

According to the information released by the relevant departments in Sichuan, "Tingzikou Hydropower Station currently has a water level of 438.78 meters and a dead water level of 438 meters; Current water level of Changheba Power Station1652.56m, dead water level1650m; Current water level of Houziyan Hydropower Station 1804.2m, dead water level1802m ... "

It can be seen that the lack of electricity in Sichuan is not a rumor, and the current water level of some hydropower stations no longer has the conditions for hydropower generation. Here, my friends and I briefly popularize the principle of hydropower generation. Hydroelectric power generation uses the potential energy of head drop to drive the turbine to rotate. If the water head is not high enough, this gap will not be formed, and hydropower generation can only be "empty talk".

In fact, this situation is already very serious, but obviously it is not the most serious. Because the relevant departments revealed, "At present, the natural water supply in Sichuan has dropped from about 900 million kilowatts in the same period to about 450 million kilowatt hours at present, with a drop of 50% and a continuous decline at an average daily rate of 2%."

Or what will be faced next is a more serious power shortage. After all, "the weather is not beautiful." Speaking of this summer, it is really surprisingly hot, which makes people feel a little collapsed. Some friends call it "the hottest summer in history", and even some media call it the summer with the longest high temperature since 196 1.

The hotter the weather, the more electricity we use, especially the frequent use of air conditioners. Some people on the Internet say that the electricity load of air conditioning in Chengdu during peak hours has accounted for 40% to 50% of the electricity load in Chengdu. If it is true, this is definitely a terrible data.

My little nephew is three and a half years old. He doesn't want to go out now. He felt too hot, so he stayed in his room and blew the air conditioner. Originally, I took him out to play because I thought it was not good for children to stay in this environment for a long time, but later I stopped doing that. It's so hot outside that there's nowhere to go except to take him to the mall.

The relevant person in charge of Sichuan Electric Power Company said on 18, "From August 7, Sichuan has experienced severe high temperature and drought, which is expected to last for about a week, facing the situation of the highest extreme high temperature, the least precipitation and the highest power load in the same period in history."

Power conservation is to solve the basic livelihood problems, but this kind of weather is really rare this year. And because of the epidemic, we can hardly go anywhere, except to go to work or stay at home to blow air conditioning, and everyone is helpless. I hope everything goes well.