These 7 charts prove the cost of solar energy is falling

The state of solar is strong with the United States


VOX Media recently published an article highlighting select charts that push forward the idea that solar energy is growing, for one, and that costs are falling. The article concluded that module efficiency is improving, and so is the average capacity factor of utility-scale PV plants.

So how about we see these charts and make that judgement for ourselves?

The article started by setting the scene with this first chart below. It shows historic and projected solar power capacity additions, by technology.

costs-power-purchase-agreements-(PPAs)

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