JavaScript is disabled on your browser. Please enable JavaScript to use all the features on this page. This page uses JavaScript to progressively load the article content as a user scrolls. Click the View full text link to bypass dynamically loaded article content. View full text Renewable Energy Volume 128, Part A, December 2018, Pages 250–264 Generation of the site-adapted clearest-sky year of direct normal irradiance for solar concentrating technologies. Alberto Royo, , ....