5月1日，特斯拉CEO埃隆·马斯克(ElonMusk)表示，该公司推出的一整套电池方案——“特斯拉能源”，将像移动技术冲击电信行业一样，彻底改变世界最贫穷人口的用电方式。

这个方案主要是一套3500美元的家用电池——能源墙电池(Powerwall Home Battery)，配上太阳能电池板，可以供给一家的电。马斯克说：20亿个这电池的大号版（冰箱大小，如图），就能解决世界的能源问题。别认为20亿是天文数字，人类能有20亿辆车，为什麽不能有20亿个电池呢？

咨询公司NavigantConsulting Inc.的分析师彼得·阿斯穆斯（PeterAsmus）表示，太阳能和电池系统可以取代发展中国家常用的柴油发电，后者不仅污染环境，而且成本昂贵。

这件事如果真能做成，不仅会让传统能源公司颤抖，也将改变全球国家间的财富地图。

Elon Musk’s Grand Plan to Power the World With Batteries

ELON MUSK WANTS to sell you a battery. And he doesn’t care whether you drive an electric car.

Musk, ever the showman, unveiled his grand “Tesla Energy” scheme to electrify the world on Thursday night, and it actually makes a lot of sense. Tesla, which is in the middle of building a vast “Gigafactory” battery production plant in the Nevada desert, plans to offer new versions of the batteries it puts in its Model S car to residential, commercial, and utility customers.

The “Powerwall Home Battery” offers either 7- or 10-kWh of storage, and will allow consumers to store energy they produce with a solar array—even go off the grid if they want. It’s available for small businesses as well, while bigger operations will want the Powerpack, a 100kWh refrigerator-esque unit, to use more renewable energy, avoid peak demand charges, and keep things running in the event of a power outage. These larger batteries are being produced for utilities as well, and can help the energy providers improve demand response and increase their use of renewables.

“Our goal here is to fundamentally change the way the world uses energy,” Musk says. “At the extreme scale.”

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