{"schemaVersion":"report-figure-v1","report":{"slug":"solar-beam-diffuse","title":"Beam and Diffuse: Two Kinds of Light, and Where a Tracker Pays","url":"https://solaranalytica.com/solar-beam-diffuse","datePublished":"2026-05-07","lastReviewed":"2026-05-07"},"figure":{"id":"beam-vs-diffuse-split","title":"Two kinds of light. Beam-on-horizontal (GHI minus DIF) vs diffuse, kWh/m2/yr","unit":"kWh/m2 per year, horizontal plane","valueLabel":"Beam (direct)","valueBLabel":"Diffuse (scattered)","caption":"Total light split into its two kinds: beam on the horizontal (GHI minus diffuse) against diffuse, per year. In the desert beam dominates four to one; in Berlin and Jakarta the scattered component equals or beats the direct. Same NASA POWER profiles as Fig 1.","series":[{"label":"Calama","value":2110,"valueB":511},{"label":"Ouarzazate","value":1521,"valueB":654},{"label":"Phoenix","value":1647,"valueB":479},{"label":"Berlin","value":516,"valueB":549},{"label":"Jakarta","value":839,"valueB":894}]},"csv":"https://solaranalytica.com/reports/solar-beam-diffuse/figures/beam-vs-diffuse-split/data.csv","publicationState":"fixed-edition","boundary":"The figure remains bound to the report edition. A newer upstream release creates a review obligation and never rewrites these rows automatically."}