1. Articles in category: Compressed Air/Gas

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    1. Our Voice: We're Charged Up About IID's $68M Battery

      Our Voice: We're Charged Up About IID's $68M Battery

      Imperial Irrigation District’s massive investment in the local energy grid in the form of a $68 million “battery” is a good sign for renewables. Officials say the project will help bring about production of 50 megawatts of energy from two solar projects — the 30-megawatt Midway III project in Calipatria and the 20-megawatt SunPeak 2 project near Niland. “The battery is a really big deal,” Bruce Townsend, the district’s superintendent for alternative energy, told The Desert Sun’s Sammy Roth. “If we didn’t have the battery ... we would need to procure another gas unit, and get it permitted, and burn fossil fuels.”

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    2. Oncor's Plan to Backup Texas Power Gives Jolt to Energy Storage Industry

      Oncor's Plan to Backup Texas Power Gives Jolt to Energy Storage Industry

      High-speed flywheels, turbines that run off compressed air stored in caverns, super-sized versions of a cellphone battery ...In the sixth-floor ballroom of a downtown Austin hotel earlier this month, power executives from around the country filed in as companies pitched a stream of technologies to store electricity. It sounded promising. Reduce the grid’s notorious inefficiency and provide backup for weather-susceptible wind and solar farms. But the same spiel had been kicking around for decades. And the expense was huge when compared with all that cheap coal and natural gas waiting underground.

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      Mentions: CA DoE U.S.
    3. PennEnergy - Generators Must Consider Energy Storage

      PennEnergy - Generators Must Consider Energy Storage

      I attended POWER-GEN International in Orlando, Fla., in early December. The event is one of PennWell’s largest, as well as the largest power generation event in the world. I sat in on a session titled “Energy Storage Applications From a Generator’s Perspective.” Having read and written about energy storage from the electricity distribution perspective, I was interested to hear about it from the generators’ points of view. I thought I’d use this blog to share some of the session highlights with you. “Energy storage is no longer the technology of the future,” David Walls of Navigant Consulting and the moderator the conference session said.

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    4. Center for the New Energy Economy Looks Back at the 2014 State Legislative Sessions

      Center for the New Energy Economy Looks Back at the 2014 State Legislative Sessions

      Each year, the Center for the New Energy Economy publishes an overview of legislative trends in the advanced energy sector from state legislatures across the country. In looking at 2014, the Center found a total of 437 bills that made it into law in a variety of categories relevant to advanced energy. The Center's Advanced Energy Legislative Tracker (AELTracker.org) is a great tool for finding and tracking progress on energy legislation across the country - links in this report will go directly to bills within the tracker.

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      Mentions: CA IN PA
    5. Batteries Are the New Peaker Plants

      Batteries Are the New Peaker Plants

      When Southern California Edison (SCE) sent out a request for bids on a 100 megawatt peaker plant, they received over 1800 responses. The winner turned out to be AES, an energy company that builds power plants of nearly every flavor: coal, diesel, gas, oil, wind, etc. What might be surprising is that the chosen technology isn’t any of those - it’s the world’s largest battery.

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    6. California Seeks World's Biggest Battery

      California Seeks World's Biggest Battery

      The world’s largest battery is coming to Southern California. The device will tie in to the region’s bulk power grid and vacuum up excess power. Flipping a switch, the charged battery will deliver a sustained jolt equivalent to more than 100 million common AA alkaline batteries, or a fleet of nearly 17,000 Nissan Leafs. It’s a power plant of the future that produces nothing, but perpetually recycles wasted electrons.

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    7. California Makes First Investments in Hundred-Million-Dollar Energy Research

      California Makes First Investments in Hundred-Million-Dollar Energy Research

      The California Energy Commission approved its first $10 million to fund Electric Program Investment Charge (EPIC) research and development (R&D) projects during its monthly business meeting today. The Commission also approved grants for the operation of a hydrogen fueling station, biofuel production, geothermal exploration and rooftop solar for schools.

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      Mentions: CA DoE U.S.
    8. Groundbreaking Technology Stores Wind Power in Salt Caverns

      Groundbreaking Technology Stores Wind Power in Salt Caverns

      In the Lloydminster area, a Calgary company is ready to carve out large underground salt caverns to store excess wind energy — the first use of the technology in Canada. Rocky Mountain Power president Jan van Egteren says the storage sites could be ready in five years. Salt caverns have been used to store natural gas for years, but only two other projects in North America are using them for compressed air that is turned into electricity. The caverns are carved out by pumping water deep down to dissolve the underground salt layer peculiar to the Lloydminster area.

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      Mentions: U.S. Peru Canada
    9. Power-to-Gas Enables Massive Energy Storage

      Power-to-Gas Enables Massive Energy Storage

      Power-to-Gas (PtG) enables the natural gas pipeline network to be used for energy storage, resolving many of the integration issues that plague intermittent renewable energy sources such as wind and solar. It is well known that finding a solution for scalable energy storage is critical in the pursuit of achieving a renewable energy future. While batteries, pumped-hydro, flywheels and other technologies have their merits, none are able to offer seasonal deep storage at the terawatt scale. Power-to-Gas is an elegant innovation that simply takes excess renewable electricity to create renewable hydrogen and methane for injection into natural gas pipelines or use in transportation.

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    10. Scuderi Group Files Patent Application for Compressed Air Energy Storage With Waste Heat Recovery

      Scuderi Group Files Patent Application for Compressed Air Energy Storage With Waste Heat Recovery

      Engine development company Scuderi Group, Inc., today announced it filed a new patent application for a waste heat recovery/compressed air energy storage (CAES) system and method that can be implemented with both conventional or Scuderi Split-Cycle internal combustion engine technology. The Scuderi waste heat recovery/CAES system (described in US patent application no. 62083375) combines a CAES system with its patented dual-output, internal combustion engine generator to capture and store energy from the waste heat that is normally lost during the combustion process.

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      Mentions: MA
    11. The World's Biggest Battery Is Being Built in Southern California

      The World's Biggest Battery Is Being Built in Southern California

      The world's biggest battery is coming to California. Last week, Southern California Edison (SCE) revealed the winners of a massive 250-megawatt energy storage procurement round, one that could set new standards for incorporating distributed and customer-owned energy assets into grid operations. The procurement represents a potential turning point for utilities. GTM Research analyst Cory Honeyman commented, "Winning bids from the solicitation include a diverse array of grid-scale storage, behind-the-meter storage, distributed generation PV, thermal storage, demand response, energy efficiency, and natural gas peaker plants.

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    12. Large-Scale Batteries Integral in Shift to Renewable Energy

      Large-Scale Batteries Integral in Shift to Renewable Energy

      At Turkey Hill Dairy in Lancaster County, the secret ingredient in its ice cream is wind. Along with conventionally derived power used to make its sweet treats, the dairy is the sole customer of a nearby wind farm, built in 2010, that provides 25 percent of its electricity. “That's honestly all we need,” said company spokeswoman Andrea Nikolaus. Relying on wind for bigger operations, or to power the grid, is a different matter. As critics of renewable energy are quick to point out, the wind doesn't always blow — or it does when customers don't need it — and the sun doesn't always shine on solar panels.

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      Mentions: CA PA DoE
    13. Energy for a Rainy Day, or a Windless One

      Energy for a Rainy Day, or a Windless One

      With new energy supplies and demand growing rapidly worldwide, companies in the United States, Europe and across the developing world are spending billions of dollars each year on new power plants, wind turbines and solar panels. Now the focus is increasingly on how to store the bonanza, so that electricity generated from the likes of renewables can be quickly pumped into a country’s energy network as demand skyrockets — say, when people return home from work. To meet global climate change commitments, the International Energy Agency recently called on the United States, the European Union, China and India to invest a combined $380 billion in energy storage by the middle of the century.

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      Mentions: CA Japan India
    14. Inside The $8 Billion California Wind Energy Project

      Inside The $8 Billion California Wind Energy Project

      Our friends over at Fuel Fix have the scoop on a proposed $8 billion California wind energy project that could blow the socks off the regional renewable energy market. The idea would be to use Wyoming as a site for a new wind farm — which would be one of the largest in the US — and schlep the energy over to Los Angeles on new and existing transmission lines. But, that’s not what caught our eye. The key to the $8 billion California wind energy project, the thing that helps fulfill the Los Angeles vision of a sustainable, secure energy source, would be a massive compressed air energy storage system using salt caverns in Utah.

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    15. Huge Underground Salt Caverns Could Store Wind-Generated Energy

      Huge Underground Salt Caverns Could Store Wind-Generated Energy

      A proposal to export twice as much Wyoming wind power to Los Angeles as the amount of electricity generated by the Hoover Dam includes an engineering feat even more massive than that famous structure: Four chambers, each approaching the size of the Empire State Building, would be carved from an underground salt deposit to hold huge volumes of compressed air. The caverns in central Utah would serve as a kind of massive battery on a scale never before seen, helping to overcome the fact that — even in Wyoming — wind doesn't blow all the time.

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      Mentions: CA Mexico Germany
    16. Batteries Set To Put Big Charge Into Energy Storage

      Batteries Set To Put Big Charge Into Energy Storage

      A surge of energy is flowing into energy storage. Tesla Motors' Sept. 4 announcement that named Nevada the winner of a five-state competition to host its planned gigafactory added momentum to a market for which Lux Research LLC forecasts 8% compounded annual growth, to a global value of $50 billion, by 2020. Tesla's $4-billion plant outside Reno will produce batteries for the automotive market and the grid. According to market research firm IHS, the 2013 energy-storage installation of 340 MW will grow to 6,000 MW by 2017 and to more than 40,000 MW by 2022.

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      Mentions: DoE NV U.S.
    17. Angel Funding to Power Growth for Storelectric

      Angel Funding to Power Growth for Storelectric

      The Preston-based group is developing renewable energy storage plants and is to use the investment to develop initial designs for a 40MW pilot plant in salt caverns that will be able to store national grid energy safely and efficiently by 2016, and to secure their intellectual property. Storelectric has identified six to eight salt caverns which could be suited for its compressed energy air storage (CEAS) system and if the pilot is successful, the company would then seek to develop a £300m full-sized 500MW plant.

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      Mentions: UK
    18. Germany and Canada Are Building Water Splitters to Store Renewable Energy

      Germany and Canada Are Building Water Splitters to Store Renewable Energy

      Germany, which has come to rely heavily on wind and solar power in recent years, is launching more than 20 demonstration projects that involve storing energy by splitting water into hydrogen gas and oxygen. The projects could help establish whether electrolysis, as the technology is known, could address one of the biggest looming challenges for renewable energy—its intermittency.

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      Mentions: U.S. Germany Canada
    19. Mainstream Trials Battery in Ireland

      Mainstream Trials Battery in Ireland

      Mainstream Renewable Power is to trial a large-scale power storage system at an Irish wind farm from September. The Wind-Storage Hybrid Study, with assistance from Enterprise Ireland, will look at integrating wind generation with a mixture of flywheel, synchronous condenser and battery technologies. The aim is to assess the commercial viability of installing 2MW of storage at an operational 10MW wind site, then running the resulting hybrid station in the current Single Electricity Market.

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      Mentions: Ireland
    20. Metal-Air Battery Technology Evolves

      Metal-Air Battery Technology Evolves

      At the University of Southern California, Professor Sri Narayan is working on a battery that uses iron for one electrode and draws another out of thin air. "The other electrode operates on oxygen you can get directly from air," Narayan says. "That's as clean as you can get." The advantages of rechargeable iron-air batteries are numerous, he continues. Iron is inexpensive and abundant, relatively nontoxic and cheap to recycle. The battery mass is determined largely by just the iron electrode, making it lighter. Inherent safety concerns of the now-ubiquitous lithium-ion battery are eliminated with the subtraction of a flammable electrolyte.

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    21. Carbonised Eggplants an Effective Electrocatalyst for Metal-Air Batteries

      Carbonised Eggplants an Effective Electrocatalyst for Metal-Air Batteries

      A young Singaporean scientist says the eggplant can act as an electrocatalyst for metal-air batteries. 18-year-old Shannon Lee won the 2014 Young Scientist Award at the Intel International Science and Engineering Fair (ISEF). Lee was awarded US$50,000 for developing a novel electrocatalyst that may be used for metal-air batteries of the future, in particular, zinc-air batteries for electric cars. Lee used the Chinese eggplant as the material for the air cathode of the zinc-air batteries in her project, which, if proven, could open the way to a more sustainable, durable and energy efficient metal-air battery.

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    22. Taming Renewables with Storage

      Taming Renewables with Storage

      The portion of electricity generated by renewable energy sources is climbing substantially each year all around the world. It is mostly because of an increase in solar photovoltaic (PV) systems brought about by dropping prices. Experts within the electric industry are not in agreement as to what should be done about this. Their opinions are diverse, to say the least, but they do agree that as wind and solar increase, so do the problems associated with operating this new grid.

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      Mentions: CA Japan DoE
    23. No Time for Energy Complacency

      No Time for Energy Complacency

      The United States produced 11 million barrels of oil and natural gas liquids per day in the first quarter of 2014, overtaking Saudi Arabia as the number one producer in the world. Already, in 2010, the US had made its mark as the number one producer of natural gas. This enormous accomplishment, unthinkable just a decade ago, was a product of  technical, operational and commercial tenacity and innovation, coupled with the efforts of a skilled and available workforce, a solid supply chain foundation, the availability of capital and a fiscal and mineral ownership system that incentivizes production.

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