Early Electrification of Buffalo: Hydroelectric Reorganization to Increase Efficiency
In January 1917, the War Department issued a permit to the Hydraulic Power Company to increase the authorized diversion from the Niagara River for power purposes from 6,500 cubic-feet-per-second to 8,785-c.f.s. Construction was started on Station 3B with three vertical 37,500-hp turbine-generator units which were completed in 1920. Hydraulic Power Company turbines used a head of 210 feet whereas Niagara Falls Power turbines used a head of only 140 feet due to the slope of the tailrace tunnel. Following the consolidation of the companies, the original Niagara Falls Power Houses 1 and 2 were renamed Adams Stations 1 and 2 and the Hydraulic Power Stations 3A and 3B were renamed Schoellkopf Stations 3A and 3B.
Following the March 1921 issuance of Federal Power Commission License No. 1 to divert 20,000 c.f.s. for 50 years, the consolidated Niagara Falls Power Company proceeded with the installation of three 70,000-hp units in Station 3C at the Schoellkopf site. The units were placed in service in 1924. Because it was impractical to enlarge the Hydraulic Canal, Station 3C units were furnished with water from a pressure tunnel.
In 1923 power from Schoellkopf was sent across Grand Island to Buffalo by a double circuit 60,000-V line with 500,000-cmil copper conductors supported by steel towers. Transformation from 60,000 V to 22 000-V was at Terminal Station C located adjacent to the Huntley Station. Underground cables connected Terminal Station C to Terminal House A. This brought Schoellkopf power to Buffalo. 22,000-V underground cables were installed to distribution stations and customers in the northern section of the City to convert them to 22,000 V.
It would appear that a change to 22,000 V had been contemplated for some time.
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