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Home / Solar Power / Prices of Solar Power installations in the US fell 17% in 2015


That prices of these cleaner forms of energy are falling so far and so fast has a lot to do with global manufacturing scaling up, financial markets getting smarter, local government better understand the technology, large scale utility installations investing in research and more factors after that. And more importantly that all of those factors – are that everyday people accept and want solar power as part of their energy mix.


Source – Wikipedia: “Swanson’s Law is an observation that the price of solar photovoltaic modules tends to drop 20 percent for every doubling of cumulative shipped volume.”

Interestingly, these projections from Swanson have actually been underestimating the fall in price of solar. Expect more price drops to occur – but also expect incentives to fall.

By John Fitzgerald Weaver

John Fitzgerald Weaver is a solar developer; known digitally as the 'Commercial Solar Guy.' As a project developer and installer, he’s sold and managed 50+ solar projects, valued over $25 million, ranging in size from 5kW to 1500kW. He’s been involved in many aspects of the solar supply chain –- as a company founder, developer, project manager, manufacturer, permit runner, salesman, contractor and financier. In his free time he tries to get away and clear his mind by climbing mountains, or more regularly by enjoying an IPA or scotch, and really loves the strange connection between politics, energy, finance, and environment in the energy world.

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