Elon Musk lays out his vision for a solar energy future
![Elon Musk lays out his vision for a solar energy future](https://cdn.mos.cms.futurecdn.net/KHCSfpzpzPpuyxaCcqeSQk-415-80.jpg)
Tesla and SolarCity CEO Elon Musk's today announced a deal to acquire Silevo, a solar panel firm based in Silicon Valley. Musk explained the decision in a blog post:
SolarCity was founded to accelerate mass adoption of sustainable energy. The sun, that highly convenient and free fusion reactor in the sky, radiates more energy to the Earth in a few hours than the entire human population consumes from all sources in a year. This means that solar panels, paired with batteries to enable power at night, can produce several orders of magnitude more electricity than is consumed by the entirety of human civilization. [Solar City]
To get there, though, solar energy needs two things — both of which Musk wants to address himself. First, mass energy storage. The sun shines when it's sunny. Storage is necessary for cloudy days and nights. Musk is addressing this with the Tesla Gigafactory, mass battery-manufacturing facilities that Musk projects will drive down lithium-ion battery costs 30 percent in the first year alone. And second, solar needs economies of scale. That's why Musk has acquired Silevo, with the intention to build Gigafactories for solar panel manufacturing:
We are in discussions with the state of New York to build the initial manufacturing plant, continuing a relationship developed by the Silevo team. At a targeted capacity greater than 1 GW within the next two years, it will be one of the single largest solar panel production plants in the world. This will be followed in subsequent years by one or more significantly larger plants at an order of magnitude greater annual production capacity. [Solar City]
But that's just the start:
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Even if the solar industry were only to generate 40 percent of the world’s electricity with photovoltaics by 2040, that would mean installing more than 400 GW of solar capacity per year for the next 25 years. We absolutely believe that solar power can and will become the world’s predominant source of energy within our lifetimes, but there are obviously a lot of panels that have to be manufactured and installed in order for that to happen. The plans we are announcing today, while substantial compared to current industry, are small in that context. [Solar City]
Of course, solar energy costs were rapidly falling even before this. But this kind of focused project is likely to keep that momentum going for a while yet. It is looking more and more likely that we will soon live in a world where renewable energy is cheaper than fossil fuels.
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John Aziz is the economics and business correspondent at TheWeek.com. He is also an associate editor at Pieria.co.uk. Previously his work has appeared on Business Insider, Zero Hedge, and Noahpinion.
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