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Electricity is generated by using water that is continuously discharged for irrigation. Now water that was previously unused can be effectively utilized for energy.
The generator room is about 15 meters above the ground. A crane carries the turbine and generator into the room.
Even in case of a disaster, power supply is maintained and dam management remains operational to keep the safety of the facilities and the areas down the valley.
The water discharged as city water is used to generate power.This provides environment-friendly enrgy without disturbing the cycle of water flowing into the Sea of Okhotsk.
A cross-flow turbine (left photo) has been in service for about 30 years. The turbine has been replaced with a horizontal Francis turbine (right photo). This has increased the annual electricity generation.
The plentiful water of the agricultural waterway and a vertical drop of about 22 meters provide energy to generate power.The agricultural waterway produces not only crops but also electric power.
The generator (left photo) and control panel (right photo). The profits from the sale of the electricity generated are used to maintain equipment such as the watergate and pump.Power is generated efficiently according to the seasonal changes in flow.
The ESCO upgrades the equipment according to the feed-in tariffs (FITs) scheme for renewable energy.Electricity sales profit is used to maintain the plant and undertake a stable and sustainable power generation.
* ESCO: An energy service company, which uses the electricity sales profit from FITs to cover such things as the construction cost for power equipment upgrades and operator’s profits. An ESCO achieves zero initial investment.
The plant draws water from a headrace about 6 kilometers long and uses an 86meter drop to generate about 1,370 kilowatts of power.Afterward, the water is used for irrigation and waterway maintenance.