Abstract :
Sweden´s largest water power station, the Ume River Stornorrfors plant, is nearing completion (Electrical Engineering, May 1958, p. 474). Shown in photograph is part of the rock generator hall prior to the installation of the machinery equipment. The first generating set was put into operation in September 1958; the second and third will be operating by May 1959, with a total of 375,000 kw. The discharge or tailrace tunnel, which has been blasted out of solid granite, is nearly 214 rniles long, and has a cross section of 4,200 square feet.