Water-powered facilities (WPFs) have traditionally been a pillar of the economy and social development. Therefore, the state took an interest in having these objects recorded and mapped in relevant maps and registers. This article focuses on identifying and localizing WPFs in the Moravice River basin in the so-called Sudetenland, Czechia, between the years 1763 and 2021. Specifically, the evolution and (dis)continuity of the WPFs are assessed through an analysis of cartographic and archival sources, reflecting the wider socioeconomic and demographic context as explanatory variables. The cartographic sources included old military topographic maps of Austria-Hungary and Czechoslovakia from four periods (the mid-18th century, mid-19th century, end of the 19th century, and mid-20th century) on the one hand and two state water-powered facility registers from 1930 and 1953 on the other. The archival sources included funds from regional and state archives. The results show that the count of WPFs peaked during the 19th century, after which there occurred a steep decline caused by societal and economic changes, namely, the expulsion of the local German population, nationalization in the postwar period, and economic and organizational transformations in the socialist era. Special attention is paid to hydropower plants, whose evolution reflects the outlined economic processes.