The Silliness Of Tesla's 10kWh Back-Up Battery

May. 3, 2015

In an effort to distract investors from its cash-burning car business, as well as to find some use for millions of Panasonic cells that it has committed to buy without being able to sell enough cars to utilize them, Tesla Motors (NASDAQ:TSLA) last week introduced a 10kWh home battery pack meant only for emergency back-up power.

It will cost $7140 installed, will be dead in fewer than five hours, and can't run an entire house or central air conditioning or charge an electric car.
Meanwhile, for the same price, a natural gas back-up generator can run all your appliances for as long as the power is out.
Thus, for anyone with access to natural gas, there's no rational reason to buy the Tesla back-up battery.

Some interesting anaysis: http://seekingalpha.com/article/3132996-the-silliness-of-teslas-10k...

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Comment by Barbara Durkin on May 5, 2015 at 11:38am

Tesla's batteries are lithium-ion.  Is there a fire risk associated?  Are Tesla's batteries installed  "already on fire", too? 

Playing with Fire: Kahuku Windfarm to Install Molten Magnesium Batt...
By Andrew Walden @ 3:48 AM :: 1745 Views :: Energy, Tax Credits
 

by Andrew Walden

Kahuku has already been through this before, as we in 2010 predicted it would: Xtreme Power: A Pig-in-a-poke For Hawaii Wind Farm

Now, 16 months after the inevitable Kahuku wind farm battery fire spewed molten lead across the sacred 'aina, First Wind, the company that couldn't see the August, 2012 fire coming even after two earlier fires, is doing it again.

In the First Wind wind farm fire, the lead in the storage batteries did not become molten until it caught on fire and burned to the ground over the course of several days--but with this groovy new technology, the metal is already pre-heated.  You see, boys and girls, First Wind's new batteries are intended to be installed already on fire.  They are made of molten magnesium and molten antimony.   And with the Hawaii DoE's shiny new test scores, all 4th graders must have learned that magnesium melts at 1202 degrees Fahrenheit and antimony melts at 1166 degrees Fahrenheit.

It gets better.  Faced with their third Kahuku windfarm fire, Honolulu fire fighters in August, 2012 weren't too thrilled at the prospect of crowding into a burning building tightly packed with toxic lead acid batteries just to save a tax scam so they wisely stood upwind and poured water on the fire from outside for days on end.

But unlike the chilly lead acid dry cells of yore, the new batteries operate 'normally' at the temperature of a searing fire, and even better (drumroll please) magnesium burns bright and hot when it contacts water (clash cymbals).  So not only will the fire department have to come up with some alternate means of extinguishing any fire, but First Wind will have to make sure the roof doesn't leak anytime over the next 20 years or so.

But its not really that bad.  The chance that this technology will ever make it to Hawaii is nil.  As one observer explains: "Whenever someone tells you about a miracle new battery just ask what the UPC code is, until it has one consider it vaporware."

cut- continue reading-

http://www.hawaiifreepress.com/ArticlesMain/tabid/56/ID/11066/Playi...

Hannah Pingree on the Maine expedited wind law

Hannah Pingree - Director of Maine's Office of Innovation and the Future

"Once the committee passed the wind energy bill on to the full House and Senate, lawmakers there didn’t even debate it. They passed it unanimously and with no discussion. House Majority Leader Hannah Pingree, a Democrat from North Haven, says legislators probably didn’t know how many turbines would be constructed in Maine."

https://pinetreewatch.org/wind-power-bandwagon-hits-bumps-in-the-road-3/

 

Maine as Third World Country:

CMP Transmission Rate Skyrockets 19.6% Due to Wind Power

 

Click here to read how the Maine ratepayer has been sold down the river by the Angus King cabal.

Maine Center For Public Interest Reporting – Three Part Series: A CRITICAL LOOK AT MAINE’S WIND ACT

******** IF LINKS BELOW DON'T WORK, GOOGLE THEM*********

(excerpts) From Part 1 – On Maine’s Wind Law “Once the committee passed the wind energy bill on to the full House and Senate, lawmakers there didn’t even debate it. They passed it unanimously and with no discussion. House Majority Leader Hannah Pingree, a Democrat from North Haven, says legislators probably didn’t know how many turbines would be constructed in Maine if the law’s goals were met." . – Maine Center for Public Interest Reporting, August 2010 https://www.pinetreewatchdog.org/wind-power-bandwagon-hits-bumps-in-the-road-3/From Part 2 – On Wind and Oil Yet using wind energy doesn’t lower dependence on imported foreign oil. That’s because the majority of imported oil in Maine is used for heating and transportation. And switching our dependence from foreign oil to Maine-produced electricity isn’t likely to happen very soon, says Bartlett. “Right now, people can’t switch to electric cars and heating – if they did, we’d be in trouble.” So was one of the fundamental premises of the task force false, or at least misleading?" https://www.pinetreewatchdog.org/wind-swept-task-force-set-the-rules/From Part 3 – On Wind-Required New Transmission Lines Finally, the building of enormous, high-voltage transmission lines that the regional electricity system operator says are required to move substantial amounts of wind power to markets south of Maine was never even discussed by the task force – an omission that Mills said will come to haunt the state.“If you try to put 2,500 or 3,000 megawatts in northern or eastern Maine – oh, my god, try to build the transmission!” said Mills. “It’s not just the towers, it’s the lines – that’s when I begin to think that the goal is a little farfetched.” https://www.pinetreewatchdog.org/flaws-in-bill-like-skating-with-dull-skates/

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