Original sentence: In reality, only three out of ten hydroelectric stations were built by 1930: the Volkhov, the Svir, and the Dnieper Hydroelectric Stations.Soviet propaganda claimed that the plan was basically fulfilled by 1931.The goal of 8.8 billion kWh nevertheless was reached in 1931, and national power output continued to increase exponentially, reaching 13.5 billion kWh by the end of the first five-year plan in 1932, 36 billion kWh by 1937, and 48 billion kWh by 1940
Edited sentence: Even though, only three out of ten hydroelectric stations were built by 1930: the Volkhov, the Svir, and the Dnieper Hydroelectric Stations.The fact is that the plan was fulfilled by 1931.The goal of 8.8 billion kWh was reached in 1931, and national power output continued to increase exponentially, reaching 13.5 billion kWh by the end of the first five-year plan in 1932, 36 billion kWh by 1937, and 48 billion kWh by 1940