V. I. Lenin Plyavin'sk hydroelectric station in the Latvian SSR and its operation

Conclusions1.The possibility of constructing hydroelectric stations with heads up to 40 m on soft ground was proved by the construction of the Plyavin'sk station.2.The block-type powerhouse is economical with respect to investments and provides normal operation of the main and auxiliary water-power equipment.3.The Plyavin'sk station is justifying the power functions imposed on it: participation in coverage of the peaks of the load schedule, regulation of the load deviations, and emergency and frequency reserve of the Northwest grid system.4.The Francis turbines regulate the active load of the station by the number of units turned on.