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Stop Using NAS (Sodium Sulfur Batteries)?

A recent battery fire by supplier NGK has raised awareness of the inherent dangers of Sodium Sulfur batteries.

News directly from Company. link

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Report: Energy-Storage Market To Drive $122 Billion In Investment Over Next 10 Years


The market for energy-storage technologies will drive a total worldwide investment of just over $122 billion in energy-storage projects during the period between 2011 and 2021, according to a new reportfrom Pike Research.

For the long-duration segment of the energy-storage market, pumped hydro storage and advanced flow batteries will represent the largest portions of the total revenue opportunity during the next decade, according to research analyst Anissa Dehamma. Advanced lithium-ion batteries, sodium sulfur batteries and compressed-air energy storage are other key technologies that will be utilized for bulk storage applications during the forecast period.

Pike Research anticipates that among the various application segments in this market, the integration of renewable energy – primarily wind power – will represent approximately 50% of the total capacity deployed for long-duration energy storage. The firm forecasts that load leveling/peak shifting will represent 31% of the total market, followed by arbitrage (12%) and transmission and distribution upgrade deferral (7%).

“Energy storage on the grid is reaching a turning point,” Dehamna says. “Currently, a number of new technologies – and variations on ‘old’ technologies, such as compressed air and pumped storage – are being demonstrated in countries around the world. The market is ripe with opportunity, and utilities, grid service providers and equipment suppliers are all intensifying their efforts in the energy-storage arena.”

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Wind/Solar forced to buy Storage?

At the second annual cleantech conference at Hastings College of the Law (a U.C. school), Alex Morris, who runs advanced technology planning at Southern California Edison, told the crowd to study the implications of a recent decision by FERC. Under the new regulation, companies that put power-producing assets on the grid that exacerbate intermittent power delivery will be required to pay for the costs associated with ameliorating the situation.

In other words, if you have a solar or wind farm, you will have to buy storage systems to smooth out power production or invest in some other grid balancing technology. Existing wind and solar farms are grandfathered in, so you won’t have to retrofit them. We’re trying to get more on this, but thought for now it was interesting to note. It was the issue that brought the most questions from the audience at the event.

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California Legislates greater use of Renewable Energy


Legislation authored by State Senator Joe Simitian (D-Palo Alto) to require private and public utilities to obtain 33% of their electricity from renewable sources by 2020 passed the Assembly Utilities and Commerce Committee today. Senate Bill 722, passed 9-2, would raise the renewable target from 20%, while providing the flexibility necessary to meet the higher standard.

“Renewable energy is a win-win-win for California,” said Simitian. “It will create jobs, protect our environment, and protect us from spiking energy costs. But to make that happen, we need to set the 33% number into law.”

http://www.senatorsimitian.com/entry/33_renewable_energy_bill_passes_first_hurdle/

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