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The Renewable Electricity Futures Study (RE Futures) is an initial investigation of the extent to which renewable energy supply can meet the electricity demands of the contiguous United States over the next several decades. This study includes geographic and electric system operation resolution that is unprecedented for long-term studies of the U.S. electric sector. The analysis examines the implications and challenges of renewable electricity generation levels— from 30% up to 90%, with a focus on 80%, of all U.S. electricity generation from renewable technologies—in 2050. At such high levels of renewable electricity penetration, the unique characteristics of some renewable resources, specifically geographical distribution and variability and uncertainty in output, pose challenges to the operability of the U.S. electric system. The study focuses on some key technical implications of this environment, exploring whether the U.S. power system can supply electricity to meet customer demand with high levels of renewable electricity, including variable wind and solar generation. The study also begins to address the potential economic, environmental, and social implications of deploying and integrating high levels of renewable electricity in the United States.
《可再生能源電力展望研究》（以下簡稱“RE展望”）對滿足未來數(shù)十年美國本土1 電力需求以及可再生能源發(fā)電應(yīng)達到的水平做了初步調(diào)查。研究中包括地理與電力系統(tǒng)運營解決方案，這方面是美國電力部門長期研究項目從未涉及到的。分析討論了截至2050年，可再生能源發(fā)電水平從30%提高到90%的意義以及所面臨的挑戰(zhàn)，屆時，美國80%的電力供應(yīng)將來自可再生技術(shù)。報告同時指出，在可再生能源發(fā)電達到如此高水平的情況中，一些可再生能源的獨特性，特別是地理分布和電力輸出的波動性與不確定性，將會給美國電力系統(tǒng)的可操作性帶來挑戰(zhàn)。本研究將重點關(guān)注在這一背景下的主要技術(shù)問題，并探索隨著波動性風能和太陽能等可再生能源發(fā)電水平的提高，美國電力系統(tǒng)的電力供應(yīng)能否滿足客戶需求。此外，本研究還將探討在美國部署和整合高水平可再生能源發(fā)電的經(jīng)濟意義、環(huán)境意義以及社會意義。
The United States has diverse and abundant renewable energy resources that are available to contribute higher levels of electricity generation over the next decades. Future renewable electricity generation will be driven in part by federal incentives and renewable portfolio standards mandated in many states.
美國擁有種類繁多、儲量豐富的可再生能源，這將有助于其在未來幾十年提高可再生能源發(fā)電水平。未來美國聯(lián)邦政府的激勵措施，以及各州制定的可再生能源配比標準，將成為推動可再生能源發(fā)電的主要因素。
In recent years, variable renewable electricity generation capacity in the United States has increased considerably. Wind capacity, for example, has increased from 2.6 GW in 2000 to 40 GW in 2010, while solar capacity has also begun to grow rapidly.
近幾年，美國波動性可再生能源總發(fā)電量已有大幅增加。以風力發(fā)電為例，風力發(fā)電量從2000年的2.6兆瓦增加到2010年的40兆瓦，而太陽能發(fā)電量也已經(jīng)開始快速增加。

譯者：阿龍（品格首席綜合類英語翻譯）

本文由北京翻譯公司品格翻譯提供，未經(jīng)允許，不得轉(zhuǎn)載。