Solar Power’s Pathway to Energy Supremacy

By Philip Wolfe, Renewable Energy World

In my previous article, I showed that there are no technological, resource or land area constraints that would prevent solar power from delivering any proportion of the world’s electricity needs, up to and including 100 percent. My follow up article illustrated how its viability is a function of the solar resource, declining capital costs, and their relation to traditional electricity prices. It showed why solar is already the low-cost option in places like Chile, and projected that this so-called ‘grid parity’ will progressively extended to other parts of the world. How fast that happens will depend in part on logistics, but primarily on regulatory issues; so this final article addresses in particular the politics of rolling out utility scale solar generation.

Before developing the key proposition further, let me briefly note how fast the sector is progressing. When the first article was published in April (2015) it showed that installed utility scale solar capacity was equivalent to 0.3 percent of global electricity usage. That figure has climbed to 0.33 percent. More countries are now active in utility-scale solar, with nearly 30 countries boasting a capacity of 100 MW or more.

Read full article from Renewable Energy World

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