The device has a wave (or swell) pump to pump sea water to a hilltop.It USES the energy of the water in which it floats to pump the stored potential energy.

该设备有一个波浪泵(膨胀泵)能将海水泵送到高处，它利用波浪的能力产生泵送的动力，并将波浪能转化为位能。

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The device has a wave (or swell) pump to pump sea water to a hilltop. It USES the energy of the water in which it floats to pump the stored potential energy.

该设备有一个波浪泵(膨胀泵)能将海水泵送到高处，它利用波浪的能力产生泵送的动力，并将波浪能转化为位能。

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Potential monetary savings from the reduction of water and energy usage, for example, are also a by-product of green initiatives.

举例来说，因减少水和能源的使用而节省下来的费用也是绿色倡议的一种副产品。

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In this case you store electricity as the potential gravitational energy in the weight of water.

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The study identified future potential electric generation capacity of 158 gigawatts for advanced coal, 78 gigawatts for water and dry-cooled concentrated solar energy and 515 gigawatts for large nuclear reactor plants.

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