domingo, 3 de mayo de 2015

Watch Elon Musk announce Tesla Energy in the best tech keynote I've ever seen



I've watched a lot of handsomely paid CEOs get on stages for keynote presentations over the past decade, and none were as good as the one I saw Elon Musk give Thursday night in California as he introduced Tesla's new battery system. I'm sure many people will disagree — I mean, how can you compete with Steve Jobs introducing the iPhone in 2007 — but ultimately Jobs was selling a better smartphone. Musk is selling a better future.

I'm not saying Musk is going to succeed, or that you should go buy Tesla's battery. There are lots of ways to save the world and cut down on fossil fuels, and Tesla's plan isn't the first. I'm just happy to see a presentation that was genuinely exciting and inspiring — a sales pitch for a tech product that's honest, and not treated like the second-coming of Jesus. It's really obvious why so many tech reporters become jaded. Too many tech visionaries pretend like every footprint they leave is going to radically change everything and make the world a better place to live in. We get it. You made a slightly thinner phone from last year's model. You made an app that sends the word "Yo" to someone. Enjoy it while it lasts.

DUDE'S SELLING A BATTERY AND HE STILL MANAGED TO BE INSPIRING
Here's what I loved about Musk's presentation. 

  • First of all, it was short, clocking in at about 20 minutes. Musk didn't waste anybody's time. He used that time to present a problem of critical importance (eliminating humanity's use of fossil fuels), explained how it can be addressed, and offered a plausible solution in the form of a new product — one that's priced within reach of a lot of people and available to order. Amazingly, all of those things are actually pretty rare to see in one show. Tesla's presentation was inspiring, and Musk wasn't selling some fancy sci-fi trinket that has the benefit of Star Trek nostalgia. Dude was selling a battery.
  • But aside from all the technical details I enjoyed, what I liked most was Musk's humble tenor. His ambitions often seem scattershot and sometimes ridiculous, and he probably spends too much time worrying about killer AI, but tonight he seemed confident and focused. Most importantly, he spoke to the audience with a frank tone that didn't feel manipulative or canned. There were no overdone theatrics here, just an honest conversation about how a new product might solve a major problem. The humility and ambition don't just seem to be a show; Tesla has already opened some of its patents to competitors, and announced tonight that it would even open its Gigafactory plans to others.
Take notes, suits of Silicon Valley. This is how you do it right.

ORIGINAL: The Verge
on May 1, 2015 01:51 am



ORIGINAL: TeslaEnergy.com

Energy Storage for a Sustainable Home
Powerwall is a home battery that charges using electricity generated from solar panels, or when utility rates are low, and powers your home in the evening. It also fortifies your home against power outages by providing a backup electricity supply. Automated, compact and simple to install, Powerwall offers independence from the utility grid and the security of an emergency backup.


MORNING DEMAND    PEAKSOLAR      EVENING DEMAND

Solar Powered Day and Night
The average home uses more electricity in the morning and evening than during the day when solar energy is plentiful. Without a home battery, excess solar energy is often sold to the power company and purchased back in the evening. This mismatch adds demand on power plants and increases carbon emissions. Powerwall bridges this gap between renewable energy supply and demand by making your home’s solar energy available to you when you need it.

Avoid Paying Peak RatesPower companies often charge a higher price for electricity during peak evening hours than overnight when demand is low. Powerwall can reduce your power bill by storing electricity when rates are low and powering your home when rates are high.


Energy SecurityPowerwall automatically switches to battery power in the event of an electric company outage, bringing peace of mind to those who live in areas prone to storms or unreliable utility grids.

Beautifully Functional
Current generation home batteries are bulky, expensive to install and expensive to maintain. In contrast, Powerwall’s lithium ion battery inherits Tesla’s proven automotive battery technology to power your home safely and economically. Completely automated, it installs easily and requires no maintenance.


Capacity
Powerwall comes in 10 kWh weekly cycle and 7 kWh daily cycle models. Both are guaranteed for ten years and are sufficient to power most homes during peak evening hours. Multiple batteries may be installed together for homes with greater energy need, up to 90 kWh total for the 10 kWh battery and 63 kWh total for the 7 kWh battery.
Multiple batteries may be installed together.

Specs

  • Technology
    Wall mounted, rechargeable lithium ion battery with liquid thermal control.
  • Models10 kWh $3,500
    For backup applications
    7 kWh $3,000
    For daily cycle applications
  • Warranty
    10 years
  • Efficiency
    92% round-trip DC efficiency
  • Power
    2.0 kW continuous, 3.3 kW peak
  • Voltage
    350 – 450 volts
  • Current
    5.8 amp nominal, 8.6 amp peak output
  • Compatibility
    Single phase and three phase utility grid compatible.
  • Operating Temperature
    -4°F to 110°F / -20°C to 43°C
  • Enclosure
    Rated for indoor and outdoor installation.
  • Installation
    Requires installation by a trained electrician. DC-AC inverter not included.
  • Weight
    220 lbs / 100 kg
  • Dimensions
    51.2" x 33.9" x 7.1"
    1300 mm x 860 mm x 180 mm
  • Certification
    NRTL listed to UL standards


    How much electricity does my home use?
    Common household electricity consumption.
  • Flat Screen TV0.1 kWh /hr
  • Lights Per Room0.1 kWh /hr
  • Laptop0.05 kWh /hr
  • Refrigerator4.8 kWh /day
  • Clothes Washer2.3 kWh each use

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