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地热能源合同将Glendale的新能源占比提高11% 大大程度上有利于开山空压机发展

        该项目从4月份开始会给Glendale提供3MW的再生能源。该项目运营商还在建设另一个地热项目,从明年4月份开始也开始生产13.5MW(译者注:原文报道数据有误,应为12.5MW)。在这两个项目的帮助下,Glendale的再生能源在能源结构占比中将提高11%左右。(GWP提供)

By LILA SEIDMAN FEB. 27, 2020 | 6:17 PM


       Glendale’s renewable-energy portfolio is slated to get a boost with the recent approval of a contract to purchase geothermal energy from a pair of projects — Whitegrass and Star Peak — located in Nevada.


       On Tuesday, City Council members voted to enter into a 25-year contract with Open Mountain Energy that will eventually provide the city with 15.5 megawatts of geothermal energy annually. Glendale Water & Power officials said the energy would be delivered at a competitive price of about $67.50 to $70.25 per megawatt-hour.


        Negotiated through Southern California Public Power Authority, or SCPPA, of which Glendale is a member, the deal was hailed by both city officials and environmentalists as a step toward meeting sustainability goals.


        Glendale的新能源占比在最近批准了Whitegrass和Star Peak项目地热能源的采购后得到了提升。


        周二市议会投票批准了25年和OME的售电合同,后者将给城市每年提供15.5MW的地热能源。Glendale Water & Power官方表示该能源的价格很有竞争力,在每兆瓦时67.5至70.25美元之间。Glendale通过南加州公用电力权力机构(SCPPA)进行了该合同的谈判。市议会和环保人士都对此合同的批准表示欢迎,认为这是达到可持续发展目标的重要一步。


     “We owe it to our residents and to the global environment to get off gas, carbon-based power, as soon as we can, and this is bringing something in right away,” Mayor Ara Najarian said shortly before the contract was approved.


        All cities in California are required to rely on 100% clean energy sources by 2045, under state law.


        By 2022-23, the projects are expected to kick Glendale’s renewable energy sources to 56% of its total energy portfolio.


        About two years ago, the city’s energy portfolio was comprised of 36% renewable sources. That percentage was pushed up to about 45% this past December when council members voted to purchase a small share of a large forthcoming solar and battery storage project in the Mojave Desert known as Eland 1.


        在合同被批准之前,Ara Najorian市长说:“我们将它归功于我们的住户和全球环境。我们需要尽快地替代天然气、碳的基础电力,而这正是正确的方向”。


        根据加州法律,所有城市需要在2045年以前100%依赖清洁能源。 到2022-2023年,项目预计将Glendale新能源在其总能源的占比进一步提高到56%。 在2年前,城市的再生能源比例为36%。去年12月,市议会投票在Majove Desert通过了Eland 1,后者是一个小型的太阳能和电池储能项目。


        Geothermal energy is derived by unleashing heat buried within the earth to create steam, which is then converted into electricity. Unlike solar and wind energy, geothermal can produce energy around the clock, said Mark Young, the utility’s deputy general manager.


      “The geothermal contracts will provide clean and renewable generation 24 hours a day, fulfill Glendale’s needs as it increases its renewable portfolio and displaces the use of fossil fuels, and utilize valuable transmission infrastructure for its delivery to Glendale,” Luis Amezcua, a senior campaign representative with the Sierra Club, wrote in a letter to the council.


        The Whitegrass No.1 project, located in Lyon County, Nev., will provide the city with 3 megawatts of geothermal energy annually for the duration of the contract beginning this April.


        Glendale is slated to receive an additional 12.5 megawatts from the Star Peak Project, which will be constructed in Pershing County, Nev. It’s expected to begin delivering energy to Glendale in April of next year.


        Both projects will cost the city about $8,577,500 annually, or $213,845,625 over the 25-year contract term, according to a city report. GWP estimates that the zero-carbon energy will reduce its carbon emissions by 52,600 metric tons per year.


        地热能源是由地底下源源不断的热带出来的蒸汽驱动,这些蒸汽会被转化为电力。和风能、光伏不同,地热能够持续地生产能源。


        位于Lyon County的Whitegrass No.1项目从4月开始能够每年为城市提供3MW的地热能源。Star Peak位于Pershing County,预计从明年4月开始,每年生产12.5MW的地热能源。城市每年会向这两个项目支付8577500美元,在25年间总额为213845625美元。GWP预计该清洁能源会每年降低52600吨的碳排放。


        Councilman Vrej Agajanian expressed concern that the market price for geothermal energy could drop in the next quarter century, pointing to falling solar energy prices. He added that technology could change during the contract term, possibly leaving the city with an outdated asset.


     “This is a great project, but still I have [a] problem with the way it’s been set,” said Agajanian, who ultimately voted to approve the contract.


     “Tomorrow, they will come up with some new ideas that we’re unaware of today,” he added.


       Steve Zurn, the utility’s general manager, said prices for geothermal energy may rise as cities across the state increasingly seek out clean-energy sources to meet the state mandate. He added that geothermal energy has a scarcity factor because it can only be produced in some geographic areas.


       Glendale is also in talks for a potential solar-energy contract for a project in Utah, according to officials.


        Vrej Agajanian议员表达了地热能源市场价可能在接下来25年间走低的关切。他表示,技术可能在合同期有变革,而有可能给城市遗留下过时的资产。“这是个很好的项目,但我仍然对它的方式持保留意见。”不过Agajanian议员最终还是投票批准了项目。“明天,他们有可能有新想法——而我们目前是不知情的。”


        公用设施总经理Steve Zurn相反,认为地热能源价格可能因为加州各城市逐步寻求清洁能源而上涨。他表明地热能源有其稀缺性,因为它只能在一些特定的区域生产。

        

         官方表示,Glendale还在讨论一个潜在的犹他州太阳能项目合同。也是一项有利于开山空压机发展的项目。