根據(jù)環(huán)境質(zhì)量委員會(huì)（CEQ）條例（40條聯(lián)邦法規(guī)[CFR]第1500-1508部分），以實(shí)施《國家環(huán)境政策法》（NEPA）的程序性規(guī)定（42美國法規(guī)[USC] 4321等） ）和能源部（DOE）的國家環(huán)境政策法（NEPA）實(shí)施法規(guī)（10 CFR 1021），DOE準(zhǔn)備了一份環(huán)境評估（EA）（DOE / EA-2071），以分析潛在的環(huán)境，文化和社會(huì)經(jīng)濟(jì)影響的部分資金，資助了一個(gè)擬議項(xiàng)目的設(shè)計(jì)，建造和運(yùn)營10兆瓦電（MWe）超臨界二氧化碳（sCO2）中試工廠測試設(shè)施。該EA識(shí)別，記錄和評估實(shí)施擬議行動(dòng)的潛在環(huán)境影響，該行動(dòng)位于西南研究所（SwRI）并由其運(yùn)營。與建議的行動(dòng)和不采取行動(dòng)的選擇有關(guān)的所有討論和發(fā)現(xiàn)均在隨附的最終EA和附錄中進(jìn)行介紹。最終EA通過引用并入本文。美國能源部提議向由天然氣技術(shù)研究所（GTI），SwRI和通用電氣全球研究（GE-GR）牽頭的項(xiàng)目團(tuán)隊(duì)提供費(fèi)用分?jǐn)偟馁Y金，以支持SwRI的sCO2測試設(shè)施項(xiàng)目。德克薩斯州安東尼奧。擬議的sCO2測試設(shè)施項(xiàng)目將涉及中試工廠測試設(shè)施的建設(shè)和三年運(yùn)營，以驗(yàn)證組件的性能和完整性，展示達(dá)到大于50％的熱力學(xué)循環(huán)效率的途徑，并顯示潛在的成本節(jié)省電力。根據(jù)提議的行動(dòng)，美國能源部提議根據(jù)sCO2 Crosscut Initiative向GTI提供高達(dá)7,990萬美元的成本分擔(dān)式財(cái)務(wù)援助。 sCO2 Crosscut Initiative由DOE能源效率和可再生能源，化石能源和核能辦公室組成，是一項(xiàng)協(xié)作計(jì)劃，其具體任務(wù)是減少sCO2功率循環(huán)商業(yè)化的技術(shù)障礙和風(fēng)險(xiǎn)。美國能源部的捐款約占項(xiàng)目總成本估算（1.133億美元）的70％。根據(jù)EA的分析，DOE認(rèn)為，在NRI的意義上，在SwRI實(shí)施擬議行動(dòng)不會(huì)構(gòu)成將嚴(yán)重影響物理，生物或人類環(huán)境質(zhì)量的主要聯(lián)邦行動(dòng)。因此，不需要準(zhǔn)備《環(huán)境影響報(bào)告書》，而美國能源部則發(fā)布了《無重大影響的調(diào)查結(jié)果》（FONSI）。
Pursuant to the Council on Environmental Quality (CEQ) Regulations (40 Code of Federal Regulations [CFR] Parts 1500-1508) for implementing the procedural provisions of the National Environmental Policy Act (NEPA) (42 United States Code [U.S.C.] 4321 et seq.) and Department of Energy (DOE) National Environmental Policy Act (NEPA) implementing regulations (10 CFR 1021), DOE prepared an Environmental Assessment (EA) (DOE/EA-2071) to analyze the potential environmental, cultural, and socioeconomic impacts of partially funding a proposed project to design, construct, and operate a 10-megawatt-electric (MWe) Supercritical Carbon Dioxide (sCO2) Pilot Plant Test Facility. This EA identifies, documents, and evaluates the potential environmental effects of implementing the Proposed Action to be located at and operated by the Southwest Research Institute (SwRI). All discussions and findings related to the Proposed Action and the No-Action Alternative are presented in the attached Final EA and Appendices. The Final EA is hereby incorporated by reference. DOE proposes to provide cost-shared funding to a project team led by Gas Technology Institute (GTI), SwRI, and General Electric Global Research (GE-GR) for the proposed sCO2 Test Facility Project at the SwRI, an existing research facility in San Antonio, Texas. The proposed sCO2 Test Facility Project would involve the construction and 3-year operation of a pilot plant test facility to verify the performance and integrity of the components, demonstrate a pathway toward a thermodynamic cycle efficiency greater than 50 percent, and show the potential for cost savings in electricity generation. Under the Proposed Action, DOE proposes to provide GTI with up to $79.9 million of cost-shared financial assistance under the sCO2 Crosscut Initiative. Composed of the DOE Offices of Energy Efficiency and Renewable Energy, Fossil Energy, and Nuclear Energy, the sCO2 Crosscut Initiative is a collaborative program with the specific mission to reduce the technical barriers and risks to commercialization of the sCO2 power cycle. DOE’s contribution would constitute about 70 percent of the estimated $113.3 million total project cost. Based on the analysis in the EA, DOE finds that implementing the Proposed Action at SwRI would not constitute a major federal action that would significantly affect the quality of the physical, biological, or human environment, within the meaning of NEPA. Therefore, the preparation of an Environmental Impact Statement is not required, and DOE is issuing this Finding of No Significant Impact (FONSI).
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