Although solar panels on rooftops get more attention, the real power is in solar electric plants, also known as 'utility solar.'

David Roberts of Vox writes:

According to the Energy Information Administration, 9.5 gigawatts of utility solar is scheduled for installation in 2016 — more than from any other single energy source, including natural gas.

That would make 2016 a banner year, with utility solar accounting for more than three-quarters of installed solar capacity, installing more in a year than in the past three combined.that this year the utility solar accounts for more than three quarters of installed solar capacity, which is more than the last three years combined. The growth of big solar has been driven by state-level renewable energy mandates. Utilities had to build these plants. This coming year, GTM Research expects more than half the growth in big solar to come outside those mandates.

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