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    1. Sunnova Returns to the Arizona Solar Market, This Time With Batteries

      Sunnova Returns to the Arizona Solar Market, This Time With Batteries

      Residential solar provider Sunnova is returning to Arizona after a period of regulatory tumult, and this time, it's bringing batteries. The privately held company fast-tracked its SunSafe solar-plus-storage offering in the aftermath of Hurricane Maria, which left thousands of Sunnova customers in Puerto Rico without power even if their solar panels survived undamaged. Since then, the company has expanded its hybrid product to California, Massachusetts and now Arizona. That puts Sunnova into competition with Sunrun’s growing BrightBox product, and whatever is left of the company that used to be SolarCity.

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      Mentions: CA MA Arizona
    2. How NYPA is Taking ‘First Mover’ Position on EVs, Energy Storage and the Digital Grid

      How NYPA is Taking ‘First Mover’ Position on EVs, Energy Storage and the Digital Grid

      As the largest state-owned public utility in America, in one of the most progressive states in the country, the New York Power Authority doesn’t have the option of taking a “wait and see” approach on cleantech. Plus, NYPA’s business model enables it to invest in and deploy new technologies in bold ways, according to President and CEO Gil Quiniones.

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      Mentions: CA U.S. Israel
    3. Headlines: Highview Power Completes UK Plant to Test ‘Liquid Air’ Storage Technology

      Headlines: Highview Power Completes UK Plant to Test ‘Liquid Air’ Storage Technology

      A novel long-duration energy storage technology got one step closer to commercialization this week. U.K.-based Highview Power has completed a test plant for its liquid air energy storage technology. The company uses equipment developed for the conventional power and oil and gas industries to liquefy gas, store it in tanks and release it to spin turbines and produce electricity on demand.

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      Mentions: GE Siemens UK
    4. Arizona Is Getting Its First Standalone Battery Peaker

      Arizona Is Getting Its First Standalone Battery Peaker

      The Salt River Project will build Arizona’s first standalone energy storage plant for peak power.

      The utility has contracted for a 20-year power-purchase agreement with AES, which will own and operate the 10-megawatt/40-megawatt-hour system provided by Fluence. The project will sit in Chandler, outside of Phoenix, to deliver peaking capacity to the metropolitan area.

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      Mentions: CA Australia Japan
    5. Siemens Gamesa Pursues Hybrid Wind and Solar Projects With Energy Storage

      Siemens Gamesa Pursues Hybrid Wind and Solar Projects With Energy Storage

      Siemens Gamesa, the leading turbine manufacturer, is looking to go beyond wind — into hybrid systems with solar and storage. The company’s chief technology officer, Antonio de la Torre Quiralte, told GTM that Siemens Gamesa remains committed to the wind market. However, it is increasingly interested in other technologies to reduce renewable energy intermittency.

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      Mentions: Australia U.S. Spain
    6. Dominion's New Grid Plan Overlooks Energy Storage in Favor of Gas Peakers

      Dominion's New Grid Plan Overlooks Energy Storage in Favor of Gas Peakers

      High-tech grid resources that have become commonplace in some utility territories aren’t even considered in others. California utilities are already deploying energy storage in place of new gas plants. Regulated utilities in places like Arizona, Florida and North Carolina have begun factoring substantial amounts of storage into their grid planning, in order to tackle peak demand and make the grid more flexible. Meanwhile, Dominion Energy’s new long-term plan for Virginia and North Carolina barely mentions storage and instead calls for intensive deployment of new gas peakers.

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      Mentions: CA VA Arizona
    7. Why Storage Might Solve Some Big Grid Problems, but Not the Ones You Think

      Why Storage Might Solve Some Big Grid Problems, but Not the Ones You Think

      In a perfect world, grid-connected energy storage plants would never be needed. The diversity and inherent flexibility of thousands of generators and loads in a large power system would provide all the flexibility that we could need to continuously match supply and demand at a very low cost, even with variable renewables dominating our generation resources. 

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      Mentions: U.S. Israel FERC
    8. Massachusetts Is Staring Down a Duck Curve of Its Own. Storage Could Help

      Massachusetts Is Staring Down a Duck Curve of Its Own. Storage Could Help

      After a barrage of wicked nor'easters this winter, Massachusetts residents probably aren't worried about having too much sun — but they should be. Over in Hawaii, California and Arizona, middaysolargeneration has begun to cause major swings in the balance of supply and demand on the grid. The resulting “duck curve” has become emblematic of the logistical challenges involved in massive renewables adoption. As it turns out, this duck infestation is migrating from the sunny, palm-lined enclaves of Venice Beach and Scottsdale to the Bay State.

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      Mentions: CA DoE HI
    9. Battery Storage Comes to the Blockchain

      Battery Storage Comes to the Blockchain

      An alliance announced in March could result in one of the most complete blockchain-based energy trading pilots to date — by adding batteries into the mix. Sonnen’s decision to join the NEMoGrid project in Europe is thought to be the first instance of a battery vendor taking part in a blockchain energy trading experiment. The project will look at the economic and technical impact of electricity trading between households within a region, said Sonnen in a press release.

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      Mentions: Europe Spain Siemens
    10. Seasonal Storage for Homes? German Firm Sells Residential Batteries Tied to Fuel Cells

      Seasonal Storage for Homes? German Firm Sells Residential Batteries Tied to Fuel Cells

      A German firm is aiming to help homes obtain year-round self-produced renewable energy with a hybrid storage system combining batteries with hydrogen. Zeyad Abul-Ella, managing director and founder of Berlin-based Home Power Solutions (HPS), said his company’s Picea all-in-one unit, which went on sale this month, “has a hundred times more storage capacity with twice the output” of competing systems.

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      Mentions: U.S. Germany Spain
    11. Sunnova Enters the Residential Solar-Plus-Storage Market

      Sunnova Enters the Residential Solar-Plus-Storage Market

      Houston-based rooftopsolarfinancier Sunnova has entered the solar-plus-storage market. The company launched its SunSafe offering in the California market as a 25-year lease deal, with a full warranty and performance guarantee. That gives it a longer product life than other offerings currently on the market. Customers are free to pay down their contract earlier if they wish, said CEO John Berger. The key value is that Sunnova will maintain the system's operational capabilities for the full 25 years.

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      Mentions: CA NV HI
    12. US Energy Storage Market Tops the GWh Milestone in 2017

      US Energy Storage Market Tops the GWh Milestone in 2017

      The U.S. energy storage market is no longer in its infancy. According to GTM Research and the Energy Storage Association’s (ESA) newly released U.S. Energy Storage Monitor 2017 Year-in-Review, 100 megawatt-hours of grid-connected energy storage were deployed in the fourth quarter of the year, marking 1,080 cumulative megawatt-hours deployed between 2013 and 2017. Even more impressive, GTM Research expects that the U.S. market will almost double this total in 2018 alone, with more than 1,000 megawatt-hours of energy storage forecast to be deployed this year.

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      Mentions: CA HI U.S.
    13. Valuing Resilience Can Change the Breakeven Point for Solar-Plus-Storage

      Valuing Resilience Can Change the Breakeven Point for Solar-Plus-Storage

      Power outages caused by extreme weather events serve as all-too-frequent reminders of the vulnerability of buildings to grid disruptions. But what if building owners accounted for the value of avoided grid outages when deciding whether to invest in projects that could supply uninterruptible power after natural disasters? A new study by researchers from the National Renewable Energy Laboratory (NREL) in collaboration with Clean Energy Group, a Vermont-based nonprofit, finds that “accounting for the cost of electric grid power outages can change the breakeven point for PV and storage system investment.”

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      Mentions: CA Denmark MA
    14. First Solar Made Good on Its Promise to Beat Out Gas Peakers With Solar and Batteries

      First Solar Made Good on Its Promise to Beat Out Gas Peakers With Solar and Batteries

      Arizona Public Service will add a 50-megawatt battery system to its fleet for storing solar energy to use during evening peak hours. The regulated utility revealed Monday that it had signed a 15-year power-purchase agreement with First Solar for the dispatchable solar power. The storage system will be paired with a new 65-megawatt solar plant in western Maricopa County and should be up and running in 2021.

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      Mentions: First Solar Arizona
    15. Arenko Taps GE for 41-Megawatt UK Battery Project

      Arenko Taps GE for 41-Megawatt UK Battery Project

      GE has entered the grid battery big leagues after being selected to provide a 41-megawatt plant in the U.K. The deal is part of a new strategic partnership with Arenko, a British energy infrastructure developer.  The plant, due to enter operation in the second half of this year, “will integrate GE and Arenko's advanced control technologies and will be commercially operated though Arenko's software to digitally deploy energy and access multiple services and system needs,” according to the company.

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      Mentions: GE UK
    16. S&C Electric Leaves the Energy Storage Production Business

      S&C Electric Leaves the Energy Storage Production Business

      Chicago grid equipment company S&C Electric built its first large-scale battery storage system in 2006, before almost anyone else was doing it. Now, it's winding down that line of business. Storage will still feature in its microgrid offerings, but the employee-owned company will procure it rather than producing it in-house, said Senior Director for Business Development David Chiesa. Meanwhile, S&C is refocusing on what it sees as its core competency: medium-voltage switching and protection, with a special focus on microgrids.

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    17. Stem Lands $80 Million to Fuel Its Growing Behind-the-Meter Battery Business

      Stem Lands $80 Million to Fuel Its Growing Behind-the-Meter Battery Business

      Behind-the-meter battery startup Stem has raised $80 million in a Series D round, with three new investors -- including one that’s helping bring the company’s lithium-ion battery systems to a new international market. The oversubscribed round was led by growth equity firm Activate Capital. It was joined by Singapore-based investment firm Temasek and the Ontario Teachers’ Pension Plan, which manages about CAD $180 billion Canadian (USD $145 billion) in Canada’s largest single-profession pension fund. 

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    18. The Promise and Challenge of Scaling Lithium Metal Batteries

      The Promise and Challenge of Scaling Lithium Metal Batteries

      While lithium-ion batteries are undergoing an historic scale-up, researchers are also hard at work looking for what battery technology might come next. A big battery breakthrough could lead to electric cars that could drive longer on a single charge and are safer to operate. Better batteries for the grid could store more energy, enabling the deployment of more wind and solar. “There’s a worldwide race for these kinds of concepts,” said Paul Albertus, program director for ARPA-E, the Department of Energy program that focuses on early-stage, potentially big-impact energy research.

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      Mentions: DoE arpa-e
    19. The Next 5 Years in Energy Storage, According to 500 Energy Professionals

      The Next 5 Years in Energy Storage, According to 500 Energy Professionals

      Last month at Greentech Media's Energy Storage Summit, I had the pleasure of moderating a panel, Crowdsourced Market Insights: Role of Energy Storage in Creating the Grid of the Future. This panel employed a unique structure where our experts on stage were asked to interpret and weigh in as 500 attendees answered live polling questions on the top themes in the market. The results, with additional context from our research, are presented in a new research report, available for free here. Below, I summarize some key findings.

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    20. The Best News Yet for Energy Storage in New York

      The Best News Yet for Energy Storage in New York

      Once New York Governor Andrew Cuomo endorsed energy storage as a component of his clean energy strategy, he went in big. Cuomo kicked off 2018 with a series of clean energy proposals, including a groundbreaking energy storage pledge: to deploy 1,500 megawatts by 2025 as the state works toward 50 percent renewable energy by 2030. The target came just a month after he signed a bill to create a storage deployment program.

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      Mentions: NY
    21. US Wind + Storage: The Business Case

      US Wind + Storage: The Business Case

      As renewable energy continues to disrupt wholesale markets, energy storage has potential to exploit volatile energy prices by buying low and selling high, allowing a wind farm to shift its energy from periods of low prices to take advantage of spikes. As a result, announcements of wind plus storage hybrid systems are ramping up as these systems become more flexible and can accommodate a wide variety of renewable generation. However, wind energy’s less predictable output and its eligibility for the production tax credit and investment tax credit make the value proposition for paired storage less clear than it is for solar.

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    22. The UK Could Install 12 Gigawatts of Energy Storage by 2021

      The UK Could Install 12 Gigawatts of Energy Storage by 2021

      Britain could have a 12-gigawatt battery market by 2021, according to a parliamentary policy group. The paper was written by the U.K. Renewable Energy Association (REA) and an All-Party Parliamentary Group (APPG) on Energy Storage, an interest group made up of members of the House of Lords and House of Commons. Hitting that 12-gigawatt target will require major policy support, however.

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      Mentions: U.S. Europe Germany
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