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Innovations for Hydropower and Other Renewables: Potential Benefits to the Energy-Water Nexus

机译:水电和其他可再生能源的创新:水电联动的潜在利益

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摘要

Hydropower is the largest energy user of water in the U.S., although most of that water use is not consumptive. In 1995, USGS estimated that hydropower annual water uses was 3,160,000 million gallons per day, or about 16 times more than what is used for thermoelectric cooling. Water used in hydroelectric turbines is generally not consumed, but the timing of water releases may be shifted in time relative to natural flows through reservoir storage and release. Hydropower’s regulation of river flows may compete with other water uses or complement them. Advanced hydropower technologies, such as more efficient turbines with improved environmental performance and higher hydraulic capacity, plus optimized project operations, offer substantial opportunities to reduce competition over scarce water resources. Other non-hydropower renewable energy sources also can contribute the challenges facing the energy-water nexus, where those renewables have low water-use intensity and can power water treatment and distribution. Case study examples will be used to illustrate these opportunities.
机译:水力发电是美国最大的用水能源使用者,尽管其中大部分用水量并不消耗能源。 1995年,USGS估计水电每年的用水量为316000亿加仑,约为热电制冷量的16倍。通常不消耗在水力涡轮机中使用的水,但是水的释放时间可能会相对于通过水库进行存储和释放的自然流量在时间上发生变化。水电对河流流量的监管可能会与其他用水竞争或相互补充。先进的水力发电技术,例如具有改善的环境性能和更高的水力容量的更高效的涡轮机,以及优化的项目运营,为减少对稀缺水资源的竞争提供了巨大的机会。其他非水电可再生能源也可能加剧能源与水的关系,因为这些可再生能源的用水强度低,可以为水的处理和分配提供动力。案例研究示例将用来说明这些机会。

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    Sale Michael J.;

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  • 年度 2006
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