https://www.vedomosti.ru/business/news/2015/05/28/594082-na-optovom-rinke-elektroenergii-v-techenie-neskolkih-chasov-derzhalis-nulevie-tseni?utm_source=telegram&utm_campaign=share&utm_medium=social&utm_content=594082-na-optovom-rinke-elektroenergii-v-techenie-neskolkih-chasov-derzhalis-nulevie-tseni