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California Considers Mandated Grid Storage

CAgridstorage

Legislators in California have introduced a bill that would require electric utilities to http://www.bsd-berlin.de/getting-cialis provide grid-scale energy storage in their operations. The bill would call for a capacity of 2.25% of daytime peak demand by 2014 and 5% of peak demand by 2020.

A variety of technologies could be included in the http://www.privateeryachts.com/buy-cheap-online-levitra mix to provide grid energy storage, including pumped storage hydro, compressed air storage, utility-scale batteries, and flywheel storage systems.

This may have the indirect effect of tramadol 200 mg tablets encouraging the utilities to promote efficiency measures and levitra soft gel to encourage load shifting, in order to lower the amount of storage that would be required.

via: Building Energy Performance Info

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0
Not exactly solving the problem
written by Ben, March 19, 2010
I don't think mandating utilities to have demand storage is necessarily a good thing. The grid itself is already the most sustainable form of storage we have. Educating people on using their energy more efficiently and using distributed generation will prevent us from making major infrastructure changes.
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written by Jeff Green, March 20, 2010

The grid itself is already the most sustainable form of storage we have.

Smart grid and utility scale energy storage will reduce fossil fuel usage and save money. In terms of financialy competitivness the worst sceniaro is what we have today. Staying in the dark ages is not the www.artstlouis.org way to get ahead.
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written by EV, March 20, 2010
Smart grid and utility scale energy storage will reduce fossil fuel usage and save money.
If it will save money, there is no need to mandate it, as the utilities would do it on their own.
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written by John Rowell, March 21, 2010
Electric cars with V2G technology would help with that.
Encouraging utility customers to viagra doses install solar panels would help with that also.
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Utilities need to be told what to do. We are the customers.
written by Jeff Green, March 21, 2010
If it will save money, there is no need to mandate it, as the utilities would do it on their own. If it will save money, there is no need to mandate it, as the utilities would do it on their own.

Energy efficiency is also mandated and utilities haven't done that on their own. Regualted monopolies are not free enterprise.
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written by Kalirren, March 21, 2010
EV:

Just because it saves more money doesn't mean that the utility companies would be doing it on their own. This is cialis 20mg the good old difference between NPV and IRR; if you're capital-limited, like most everyone is right now, you face a tradeoff between the most profitable projects over the long term, but that give low apparent rates of return, and the www.calamusdesign.it ones that make a higher rate of return over the short term but aren't as profitable over the long term.

Mandating the implementation of projects with positive NPV does in fact make sense.
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written by Moves, March 22, 2010
You do realize that any form of energy conversion results in losses. This means that converting energy to any other form before using it will result in wasted energy, unnecessary pollution and millions if not billions in wasted money to build these storage facilities that will end up using energy.
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Solar does work
written by Charles martin, March 22, 2010
even on a cloudy day solar can produce power. At night, you can have a battery system or use the grid. Rates are lower at night, so you're still saving money. My elextric bill is almost $0. I went to http://freecleansolar.com to get started.
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Reality
written by Peter, March 23, 2010
"The grid itself is already the most sustainable form of storage we have."

Energy produced must be consumed at the same time. The grid does not possess any useful storage ability.

There will not likely be a high enough penetration of electric vehicles by 2020 to even think about creating a V2G system that would have any impact by then.

Well placed storage should be able to reduce system losses and help keep the most inefficient (cost-wise) plants from being run.
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written by Doc Rings, March 25, 2010
Grid storage is best thought of as a way to store peak wind and solar energy when the grid is not demanding it, or a way to reduce brown-outs during peak times when the grid otherwise couldn't supply it from out-of-state transmission lines (that are at max capacity).
Grid storage would have a finite shelf-life of a few hours to a few days, depending on the storage medium (liquid sodium, capacitance, geothermal storage). So it's not like you can store up wind energy from February to use in August at peak electricity demand times on a blistering hot afternoon.
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cold and heat storage
written by PJ Duncan, March 31, 2010
The storage of cold or heat is one of the most effective forms of energy storage as it avoids unnecessary multiple loss creating conversions of energy form. Many places in CA are ideal for night time generation of ice which is then used for cooling during the day. Not only does it load shift (in effect storing energy from night to day) it takes advantage of the much cooler night temperatures boosting cooling efficiency.

Large amounts of cold and heat storage on the grid would allow utilities great flexibility in scheduling load.

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