ch. 1. Fundamentals of solar radiation -- ch. 2. Introduction to solar radiation measurements -- ch. 3. Modeling clear sky solar radiation -- ch. 4. Modeling global irradiance under all sky conditions -- ch. 5. Modeling missing components -- ch. 6. Applications : modeling solar radiation available to collectors -- ch. 7. Introduction to modeling spectral distributions -- ch. 8. Introduction to modeling daylight -- ch. 9. Summary and future prospects.