The inventor of this solar-powered water filtration system wants to win the Nobel Peace Prize

Clinton Nguyen for Tech Insider:  Marco Attisani wants his company to be the first to win the Nobel Peace Prize. It's a lofty goal for a 10-person startup, but Attisani is sure that the solar-powered water filtration systemsthey're producing will earn a spot on the shortlist. The filtration machines manufactured by Attisani's Italian company, Watly, are covered in photovoltaic panels that feed electricity into internal batteries. This allows the systems to be installed in the world's most remote locations, free of the need to connect to a power grid. The 40-foot-long, 15-ton units also serve as Wi-Fi hubs and charging stations.  Each machine can process 5,000 liters of drinking water each day and provide Wi-Fi access within a half-mile radius, according to CNN . The team claims the units will last roughly 10 years before they require maintenance.  Watly tested two units in its production facility in Talmassons, Italy in 2013 and 2014 before piloting a unit in rural Ghana in 2015. The company has also started an Indiegogo campaign to help fund an expansion into Sudan and Nigeria.   Cont'd...

Is Tesla Entering a New Frontier?

Efficient low-cost batteries are the new frontier and the new frontier is here now from all-electric vehicles to home energy systems.

What is an Ice Battery?

Home ice batteries have the potential to transform the electric grid by enabling utilities to gain visibility and control over the largest residential peak load - cooling.

Three takeaways from the national energy storage conference in Charlotte

John Downey for Charlotte Business Journal:  A Charlotte energy executive surveying the scene at the third day of the Energy Storage Association’s Annual Conference and Expo expressed satisfaction and a little surprise at the bustle and buzz the event produced. On a large scale, the conference put top storage developers and vendors together with power producers and systems operators looking for sparks. But there were interesting stories on a smaller scale as well.  Here are a few of those quick shots:

Energy Storage - Lithium Iron vs Lithium Ion Battery Applications

There are several key differences between the Iron Edison Lithium Iron battery and the Tesla Powerwall. First, an Iron Edison Lithium Iron battery is available in traditional nominal voltages of 12V, 24V and 48V, making it fully compatible with common battery-based inverters and charge controllers from major manufacturers like Outback, Schneider Electric, Magnum, MidNite Solar and SMA.

WattJoule Develops Cost Breakthrough for Liquid Energy Storage

WattJoule Corporation, a developer of next-generation liquid electrical energy storage systems, has developed and built a new system demonstrating a major industry cost breakthrough. The new storage platform is called ElectriStor™ and will be offered to system integrators as the preferred core component for storing large amounts of solar and wind energy.  One of the major barriers preventing the widespread adoption of large-scale energy storage has been cost. WattJoule has engineered the ElectriStor™ platform based on the redox flow battery concept where electricity is stored in a liquid. WattJoule's proprietary liquid electrolyte is mostly water, and the company has developed a new, inexpensive process to make it in large quantities. Early liquid energy storage systems have suffered from a number of technical and cost limitations. Recently there have been several technical breakthroughs to overcome these constraints. WattJoule has both developed and exclusively licensed key technologies that, in combination, dramatically lower energy storage costs to $150 per kilowatt-hour in its first-generation energy storage product.   Full Press Release:    

Tesla And Other Tech Giants Scramble For Lithium As Prices Double

And while lithium has traditionally been controlled by a handful of major global suppliers, spiking demand is changing this landscape drastically.

Two-thirds of US solar installers do not offer storage, study finds

Ian Clover for PV Magazine:  A study by EuPD Research shows just 34% of PV installers in the U.S. offer storage solutions to customers, with those reluctant to do so citing cost concerns. However, 26% that currently do not offer storage hope to include it in their portfolios this year. For all the glitzy product launches by the likes of Tesla and Sonnen, the solar+storage landscape of the U.S. is still largely shaped by what leading installers are – or aren’t – prepared to offer to customers, and a recent survey has found that around two-thirds do not currently include storage technology in their product portfolio. EuPD Research’s latest PV Installer Survey USA 2015/16 revealed that only one-third of installers already offer energy storage to homeowners or businesses in the U.S. looking to adopt solar power. Of the two-thirds that do not, 38% said that current pricing of batteries impedes demand, meaning margins are too low for installers and the "technological maturity" of the systems on the market is not currently convincing. However, the mood does appear to be shifting in favor of storage, with 26% of survey participants saying they hope to add storage products to their portfolio at some stage in 2016.   Cont'd...

All-in-One Storage and Conversion System for Photovoltaic Energy

This is a fully integrated, complete system with build-in hybrid-inverters, solar MPP-trackers, battery chargers, anti-island Protection, battery storage, and BMS, also all necessary field wiring terminals and disconnect switches.

Lithium-Ion Energy Storage for PV System in Puerto Rico

Li-ion solutions are both scalable and flexible in their power-to-energy ratio. The flexibility enables MTR-type solutions for high-power smoothing, medium-power options for shaping renewable output to meet a forecast, and high-energy systems for shifting of renewable energy to periods of peak load.

Could uphill train tracks solve the problem of energy storage?

James Murray for BusinessGreen:  is commonly regarded as a green form of travel, typically boasting lower levels of carbon emissions and air pollution than road transport, but could it also serve to deliver a cleaner and more resilient power grid? That is the hope of innovative US start up Advanced Rail Energy Storage, LLC, which yesterday announces it has secured a crucial right-of-way lease from the Bureau of Land Management (BLM) to develop its planned 50MW gravity-based energy storage project. The ARES Nevada project uses the same principles as pumped hydroelectric energy storage projects, but instead of relying on water in a water-stressed region it plans to make use of an inclined rail track and generator locomotive cars that will run along it.   Cont'd...

Tesla Discontinues 10-Kilowatt-Hour Powerwall Home Battery

Julia Pyper for GTM:  Tesla has quietly removed all references to its 10-kilowatt-hour residential battery from the Powerwall website, as well as the company’s press kit. The company's smaller battery designed for daily cycling is all that remains. The change was initially made without explanation, which prompted industry insiders to speculate. Today, a Tesla representative confirmed the 10-kilowatt-hour option has been discontinued. "We have seen enormous interest in the Daily Powerwall worldwide," according to an emailed statement to GTM. "The Daily Powerwall supports daily use applications like solar self-consumption plus backup power applications, and can offer backup simply by modifying the way it is installed in a home. Due to the interest, we have decided to focus entirely on building and deploying the 7-kilowatt-hour Daily Powerwall at this time." The 10-kilowatt-hour option was marketed as a backup power supply capable of 500 cycles, at a price to installers of $3,500. Tesla was angling to sell the battery to consumers that want peace of mind in the event the grid goes down, like during another Superstorm Sandy. The problem is that the economics for a lithium-ion backup battery just aren’t that attractive.   Cont'd...

Lead Recycling Threatened By Lithium-ion

The U.S. Society of Automotive Engineers (SAE) and the International Electrotechnical Committee (IEC) are proposing to develop standardized labels that are color-coded to allow for better identification between lead-acid and lithium-ion batteries.

The Road to Sustainable Energy in South America Could Lie in Electrical Grid Interconnection

With interconnection, the sizable hydroelectric resources of South America would allow a highly stable supply of low-cost energy at the regional level, enhancing competitiveness.

The Potential of Battery Storage Solutions for Domestic and Commercial PV Installations

The developments in battery storage systems being launched to the UK market this year will help to distribute energy more efficiently, and with the PV market in a state of flux following the reductions in the tariff rates, the battery storage developments should provide some stability to the trade.

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