Solar gain battery storage,emergency generator sizing guide 9.2,where to check car accident history vin - PDF 2016

01.06.2015
The cost of batteries is one of the major hurdles standing in the way of widespread use of electric cars and household solar batteries. But research published recently in Nature Climate Change Letters shows battery pack costs may in some cases be as low as US$300 per kilowatt-hour today, and could reach US$200 by 2020. Falling prices will pave the way for what could be a rapid transition to a cleaner energy system.
Last year, my colleagues and I analysed the cost-benefits of household battery storage alongside rooftop solar systems. Our analysis of ten studies published by research institutes and consultancies suggested a dramatic fall in battery cost over the next two decades, making solar power and electric vehicles more affordable.
The new research by two Swedish researchers published in Nature Climate Change Letters this month used a similar approach but found an even sharper plunge. Bjorn Nykvist and Mans Nilsson of the Stockholm Environment Institute analysed 85 sources of data including journal articles, consultancy reports, and statements by industry analysts and experts. The core conclusion of the new paper is that the cost of full automotive Lithium ion battery packs has already reduced to around US$410 per kWh industry-wide. The analysis also estimated that the industry as a whole is currently seeing annual battery cost reductions of 14%, while for leading players with already lower costs this is closer to 8%. Assuming continued electric vehicle sales growth, the authors suggest costs as low as US$200 per kWh are possible without further improvements in the cell chemistry. As battery costs decrease, technologies such as electric vehicles and household energy storage are likely to undergo a transition, from niche products in the hands of early adopters to standard acquisitions by pragmatic consumers. Increased opportunities naturally attract commercial competition, which has the potential to further accelerate the technological improvements.
The findings published this month suggest that the transition from niche to mainstream product may well occur far sooner than people believe.
The problem is analysed in an important paper by Wei?bach et al.1 in terms of energy returned on energy invested, or EROEI – the ratio of the energy produced over the life of a power plant to the energy that was required to build it. There is a minimum EROEI, greater than 1, that is required for an energy source to be able to run society.
If the much smaller Prius battery is anything to go by, I feel that this is going to be the next reputation hurdle for the EV makers. Stationary batteries are a wholly different proposition with much less stringent weight, power and volume requirements, so many more materials are available for consideration. I may be going off-track a little, as this article is more about batteries for home storage and cars, so perhaps the numbers in the Weissbach paper are reasonable for this scenario.
For example, the UNSW 100% renewable study, where one of the scenarios has 34 GW of wind and 30 GW of PV, Weissbach would therefore require 640 GW-days of storage, or 15 TWh. In contrast, the UNSW study has indicated that we can get 88% of our electricity from wind & solar, with another 6% coming from gas turbines and 6% from existing hydro, and only require about 200 GWh of storage. Clearly, having just 200 GWh instead of 15 TWh of storage makes a massive difference any EROEI calculations that include storage. I should also mention that Weissbach is using figures from an old turbine in Germany’s poor wind resource, with a resultant Capacity Factor of 23%.
I am sorry that this website has no English version, but here in Germany noone that matters takes them seriously. EROEI is notoriously complicated by the assumptions but the one thing that can not be denied under any circumstances is the current model of economic growth requires an ever increasing amount of energy per capita for development and renewable energy sources have a lower EROEI than fossil fuels meaning under the current economic orthodoxy it will be impossible to successfully swap fossil fuels out for renewable energy sources. If a person insists on using obsolete information and making unrealistic assumptions, that person deserves to be criticized personally. Actually, if you think about it carefully, the EROEI is better for renewables than it is for fossil fuels.
Do these EROEI calculations take into account health costs and the environmental damage associated with CC?
Renewable energy has less bang for our buck full stop, no one can argue that fact, what this means when you think it through is there will not be enough spots at the table for everyone, because we’ll be forced to shrink the total enterprise. Technology is not going to be our ultimate problem it is our culture, our alienation from our intrinsic interconnectivity with the Universe that has lead us to the crisis we face now and without addressing it no amount of wishful thinking about renewable energy will solve the root crisis.
I care about what’s true regarding the physics of things, that is where I am coming from regardless of growth debates or anything. The Wei?bach study, for example, used transparent calculations based on published data and was accepted for publication in Energy, a peer-reviewed journal.
And the authors were able to put up a spirited defence of the work in the face of a critique by Marco Raugei of the Faculty of Technology, Design and the Environment at Oxford Brookes University in the UK. In a nutshell, the current work on EROI and similar measures suggests there could be something fundamentally wrong with the move to renewable generation sources in general and the use of energy storage to balance intermittent sources in particular.
Actually, we could run sustainably our economy even if eroei of solar panels would be less than 1.
Therefore even if EROEI of solar panels is even marginally above one, we can self-loop solar power factory, and in effectively we can gain infinite EROEI. Tesla’s Gigafactory project, a superlative factory taking shape in the desert outside of Sparks, Nevada, is rightfully in the spotlight for being a pioneering investment in a clean energy future.
One of the country’s largest solar panel manufacturers, SolarCity, which counts Elon Musk as a chairman, recently acquired a smaller solar company, Silveo, which had developed an advanced solar manufacturing process. With a relatively quick deadline for construction, the architects instituted a collaborative process with contractors, industrial engineers and SUNY Polytechnic, a state university, partner, and overseer of the redevelopment project, to collaborate on construction and design in real time.


It becomes quickly apparent, looking at photos of the in-progress SolarCity facility, that it’s missing a pretty massive plug by not including its own product on the roof. However, this being a solar panel facility, EYP found a way to include solar panels in the plant’s layout. The site topped out last fall, and after delays in construction and tool installation, SolarCity is enclosed and installing equipment, with tentatively plans to ramp up production during the later half of 2017.
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By storing surplus energy, batteries allow households to reduce power bought from the electricity grid. This cost development is notably cheaper and faster decreasing than I and many others expected.
The analysis therefore suggests that the cost of electric car batteries may be as low as $7,500 today and reducing to $5,000 by 2020.
Encountering difficulty in finding reliable sources of present and future lithium-ion battery costs, we published our own study on The Conversation. They report that since 2011 the number of electric vehicles worldwide has doubled each year. Market-leading manufacturers such as Nissan and Tesla are already seeing prices around US$300 per kWh.
It is therefore predicted that battery cost for all involved should converge to around US$230 per kWh in 2017-2018. This explains why, for example, Tesla Motors is making a US$5 billion dollar bet in the shape of a massive battery factory. And given that the perceived unlikelihood of governmental clean technology commitments in Australia has apparently reached April-Fools’-joke-worthy levels, it seems about time.
I am seeing indications that will result in vehicles with short useful lives and probably almost zero resale value. Nobody argues against improving energy efficiency, because it totally makes sense economically and of course has huge potential cause current energy consumption is very stupid and inefficient.
Radical social upheaval will result assuming we try to run consumerism on renewable energy sources. Environmentalists all the time expose ulterior motives, affiliations and worrying funding of climate scepitcs and rightly so. I loathe excess capitalism as much as the next guy, but don’t try to bend physics to fit your ideology. The truth is that renewable energy IS the solution to a lot of problems, of course not to all the problems. This is because if some remote location, such as in Iceland, there is very cheap and sustainable geothermal and wind power, then it is possible to establish there solar panel factory and export panels to the rest of the world.
But, the futuristic battery plant isn’t the only green manufacturing hub taking shape in the country. The gain in efficiency from this process means lower energy prices—$2.50 per watt by 2017, the company estimates, almost half of what it cost using SolarCity products in 2012. The floorplan also needed to accommodate the different phases of solar panel manufacturing, which require a section with laboratory-like environmental standards to work with silicon and fashion the panels, as well as assembly areas that see a rapid turnover of materials. After redesigning the site in the early weeks in early 2015, crews begin driving piles and starting construction in February. 17, 2015 photo, construction work continues at a high-tech manufacturing site in Buffalo, N.Y.
Formerly the home of dozens of building that made up the Republic Steel factory, the brownfield site offered numerous challenges. As the company fine-tunes the manufacturing process, it hopes that its new generation of solar technology can achieve levels of efficiency rarely seen in the residential power market, made for simpler installation and more affordability. Got a great coupon discount and decided to give this item a try.It made a great impression straight out of the box not only because it is sleek and nice-looking, but because it came with a full charge in it already!
The mission of Techaeris is to offer honest reporting, unique stories, news coverage, product information and reviews, as well as social interaction with our readers. Integrated high performance analog blocks provide a high degree of accuracy for applications requiring precise measurement and monitoring.
In our previous work we estimated these levels to be reached only in 2018 and 2022, respectively.


This seems to be the case in a recently filed lawsuit regarding rival battery chemistry patents involving BASF, Umicore, 3M, and Argonne National Labs.
By collaborating with customers, utilities can develop more intelligent and versatile grids. Low battery replacement cost is a welcome improvement, but a 7 year working life may make EVs environmentally worse than their longer lived ICE counterparts.
There are a lot of problems that have to be adressed to solve the worlds problems, bashing the EROI of renewables as insuffient still is just plain wrong.
I am totally with you that mindless consuming unnessary crap should stop asap and I am worried about the biocapacity of the earth, soil degradation, the overused carbon capacity of oceans and atmosphere, waste disposal problems, collapsing eco systems, extinction of species and so on.
The funny thing is, at least in my point of view, that you are detrimental to your own goals by bashing renewables. Their EROI is lower than fossil fuels or nuclear but certainly high enough to sustain human civilization, especially when energy consumption gets a lot smarter and more efficient. For example, for any practical purposes, the EROEI of Tesla Gigafactory batteries will approach to infinity, because that factory will be roughly 100 % powered by locally produced renewable electricity. But I am sure that you can understand, that only the cost of solar panels measured in dollars matters. This would effectively be transmitting power from Iceland to Europe without HVDC connection. But if solar panels are cheap enough, we could produce sustainable solar power even if EROEI was just 1.1. In Buffalo, New York, a new solar panel manufacturing facility under construction on the site of an old steel mill seeks to become a catalyst for the Rust Belt city’s economy. In order to capitalize on the new technology, SolarCity decided to significantly expand its manufacturing capacity and, after discovering the massive tax breaks and subsidies available in New York via the Buffalo Billion redevelopment fund (the state is paying $350 million for the factory and footing $400 million for equipment, in exchange for what it expects to be thousands of jobs), it chose to break ground at the city’s RiverBend site, a shuttered former manufacturing hub on the Buffalo River. The design team created a circulation path throughout the massive site, a means to speed workers and materials across a factory floor that’s expected to churn out roughly 10,000 panels per day when operating at full capacity, along with a glass corridor that brought light onto the oversized factory.
New York is committing $750 million to the factory for Elon Musk's SolarCity in exchange for a promise of 3,000 jobs and a $5 billion investment in manufacturing solar panels. Buffalo isn’t a bastion of solar power generation, but more importantly, it’s normally buffeted by massive snowstorms, meaning the roof often gets blanketed in the winter.
To help snow removal, and direct meltwater, EYP designed a system of trenches called bioswales, which help filter and direct runoff. While Buffalo may never be blessed with extraordinary sunshine, its new manufacturing hub may be a leading player in the widespread adoption of solar power.
We strive to remain objective and open minded about technology and label opinion pieces as such. With increased focus towards renewable energy, Solar and Wind powered telecom shelters are becoming hot applications.
TI's wide range of Analog, Digital and Wireless products offers a comprehensive one stop solution to solve this problem. Power topologies such as active-clamp forward, half bridge, and full bridge are commonly employed .Designs are typically comprised of a PWM controller geared toward a specific topology and MOSFET drivers. And jointly, the penetration of intermittent renewables in our electricity mix can be increased significantly. I want to see far less consumption and society to be far less materialistic too and there are billions of reasons for that but that doesn’t take anything away from the vast amounts of energy the sun sends to earth and our capability of accessing that. I think you are factually wrong on the physics side of it in the special case of EROI of renewables being insufficient, but even regardless of that, you should encourage people to turn 100% renewable and super energy efficient and not scare them away, by telling them that their entire civilisation will collapse if they go renewable. And, when it starts operation next summer, the SolarCity Gigafactory will eventually manufacture a gigawatt’s worth of next-generation solar panels every year—just shy of Doc Brown DeLorean levels, and a significant addition to the national energy supply—helping to further develop domestic sources of clean power.
These depressions in the landscape were the perfect places to erect poles to support large solar displays, which lift the panels above the ground, which can accumulate seven or more feet of snow during a series of severe snowstorms. Most of the Hot Swap Controllers have digital interface for precise programming and monitoring and also have Power good and fault outputs. The change in society you desire is in my book more likely to happen along the way, so why would you send people running scared back to fossil fuels and nuclear, that are not needed and that destroy the planet? Focus on standing up against fossil fuels, nuclear, plastic, materialism, neoliberalism etc. In addition TI also offers Isolated Plug-in Power Modules that designers can buy and use off the shelf. Step down Converters and Linear Regulators can help step voltages down to any intermediate rails that are required for operating other devices on the PMU Board. He has an agenda and serves it by making poor assumptions of capacity factors, needed storage capacities, outdated solar module efficiencies and industrial processes. You have to offer a viable alternative for a good life (good life obviously meaning without all the things above, for instance without cheap useless plastic products from China). That is a lesson learned from the green movement in Germany and that is how you change the world. It simply isn’t going to happen unless the culture changes and we grow up and throw off these ridiculous superstitions called religion and neoliberal economics that believes we can grow forever on a finite planet.



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