This paper gives an overview on the SolarPACES guideline for Bankable STE Yield Assessment which was published in January 2017 by SolarPACES. After summarizing the history of the standardization activity behind this document, on overview on the content and its key elements is given. The paper ends by addressing the various players involved in STE yield assessment and how they can make benefit from applying this guideline in their day-to-day work. The document is available for free download from SolarPACES at http://www.solarpaces.org/yield-analysis-guideline.