A power plant that supplies all generated electricity to the power company! It has two types of generators: "synchronous generators" and "induction generators."
A water conveyance route of approximately 1.9 km has been established from the Tsuchida Shimosen headworks, which takes water from the Nagase River, to the power station. Utilizing a drop of about 43.03 m, two turbines are operated using a maximum of 3.75 m³/s of water taken from the irrigation water.
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The maximum output of this power plant is approximately 990 kW from two water turbines, generating enough electricity to power about 1,000 households for a year. The generated electricity is supplied in full to the power company. This power plant is unique in the country, as it has two types of generators: a fully-fledged 'synchronous generator' and a simpler 'induction generator.' In recent discussions about technological decline and the inheritance of technology, this facility is widely open to foster the development of hydroelectric engineers, contributing to the improvement of hydroelectric power in Japan and serving as a usable facility.
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[ Specifications ] Waterway Name: Tsuchida Shimosen Irrigation Canal (Managed by Inawashiro Town Land Improvement District) Power Generation Type: Canal Type (Inflow Type) Canal Length: Approximately 1,900m Total Drop: 43.03m Maximum Water Usage: 3.75 m³/s Maximum Power Plant Output: Approximately 990kW (when operating 2 turbines simultaneously) Annual Generated Electricity: Approximately 3,200MWh Turbines: Horizontal Axis Single Wheel Single Flow Francis Turbines, 2 units - 790kW × 1 unit (rated output) - 280kW × 1 unit (rated output) Generators: Three-Phase AC Induction Generator - 750kW × 1 unit (rated output) Three-Phase AC Synchronous Generator - 305kVA × 1 unit (rated capacity) Tsuchida Shimosen Headworks Nagase River Water Pressure Pipeline (FRPM Pipe) Total Length: Approximately 1900m Water Tank EL643.74m Tsuchida Shimosen Irrigation Canal Inawashiro Small Hydropower Plant EL600.71m Transmission Line
Company information
Energia Corporation provides "local energy services" by mixing renewable energy at diverse small-scale and decentralized renewable energy facilities to supply heat and electricity. It simultaneously implements "local production and external sales" of electricity utilizing the FIT (Feed-in Tariff) system and "local production for local consumption" of thermal energy.