电源从发电站输入电网，然后送达工厂、办公室和家庭。
Power is fed into the grid from power stations in the hope that it will arrive in factories, offices and homes.
该系统产生的电流为直流电，所以用来驱动本地的直流点装置比将其转化为交流电输入电网来的更有效率。
The system generates a direct current, so using it to power DC devices locally is more efficient than switching to the alternating current needed to feed it back to the grid.
英格兰地区发展署（在欧盟的帮助下）还在康沃尔郡筹资建造了“海浪中枢”项目，将近海潮汐能发电机所发电能输入国家电网。
Its Regional Development Agency (with some assistance from Europe) has financed the Wave Hub project in Cornwall, which will feed power from numerous offshore wave-power machines into the grid.
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