Tesla powerwall
  • Tesla CEO Elon Musk introduces Powerwall
  • Tesla CEO Elon Musk introduces the Powerwall home energy storage unit at an event in Hawthorne, CA on April 30, 2015.
  • Image Credit: Tesla Motors
Tesla Powerwall and Model S
  • Tesla Powerwall and Model S
  • Tesla Powerwall and Model S
  • Image Credit: Tesla Motors
Tesla Powerwall
  • Tesla Powerwall
  • Tesla Powerwall stock photo.
  • Image Credit: Tesla Motors
Tesla powerwall
  • Elon Musk introduces Tesla powerwall
  • Tesla CEO Elon Musk introduces the Powerwall home energy storage unit at an event in Hawthorne, CA on April 30, 2015.
  • Image Credit: Tesla Motors
Tesla powerwall
  • Tesla powerwall introduction event.
  • Tesla powerwall introduction event.
  • Image Credit: Tesla Motors
Tesla home battery system prototype
  • Tesla Powerwall home battery system prototype
  • In this April 20, 2015 photo, David Cunnigham shows a prototype Tesla battery system that powers his Foster City, Calif. home. Cunnigham installed the battery late last year to pair with his solar panels as part of a pilot program run by the California Public Utilities Commission to test home battery performance. Tesla is expected to unveil a stationary battery for homeowners and businesses on Thursday, April 30, 2015. (AP Photo/Jeff Chiu)
  • Image Credit: Jeff Chiu / AP
Tesla home battery system prototype
  • Tesla Powerwall home battery system prototype
  • This April 20, 2015 photo shows a prototype Tesla battery system that powers the home of David Cunningham in Foster City, Calif. Cunnigham installed the battery late last year to pair with his solar panels as part of a pilot program run by the California Public Utilities Commission to test home battery performance. Tesla is expected to unveil a stationary battery for homeowners and businesses on Thursday, April 30, 2015. (AP Photo/Jeff Chiu)
  • Image Credit: Jeff Chiu / AP
Solar City energy management website
  • Solar City energy management website
  • In this April 20, 2015 photo, David Cunningham points toward his SolarCity Web page, which details his solar energy output at his home in Foster City, Calif. Cunnigham installed a Tesla battery late last year to pair with his solar panels as part of a pilot program run by the California Public Utilities Commission to test home battery performance. Tesla is expected to unveil a stationary battery for homeowners and businesses on Thursday, April 30, 2015. (AP Photo/Jeff Chiu)
  • Image Credit: Jeff Chiu / AP
Solar panels on house with Tesla home battery.
  • House with solar panels
  • In this April 20, 2015 photo, David Cunningham walks toward his solar panel-topped home, in Foster City, Calif. Cunnigham installed a Tesla battery late last year to pair with his solar panels as part of a pilot program run by the California Public Utilities Commission to test home battery performance. Tesla is expected to unveil a stationary battery for homeowners and businesses on Thursday, April 30, 2015. (AP Photo/Jeff Chiu)
  • Image Credit: Jeff Chiu / AP
Shinzo Abe and Elon Musk
  • Shinzo Abe and Elon Musk
  • Japanese Prime Minister Shinzo Abe stands with Tesla CEO Elon Musk after returning from a brief test ride at Tesla's headquarters in Palo Alto, Calif., Thursday, April 30, 2015. (AP Photo/Noah Berger)
  • Image Credit: Noah Berger / AP
Shinzo Abe and Elon Musk
  • Shinzo Abe and Elon Musk
  • Japanese Prime Minister Shinzo Abe walks with Tesla CEO Elon Musk at Tesla's headquarters in Palo Alto, Calif., Thursday, April 30, 2015. (AP Photo/Noah Berger)
  • Image Credit: Noah Berger / AP


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