At Kipp & Zonen we receive a lot of questions from customers wanting to know about measuring solar irradiance for PV projects. This could be for solar resource mapping or site prospecting; or in the design, construction or operational phases of a power plant. What monitoring equipment should they buy?
Kipp & Zonen receives a lot of questions about whether a particular data logger is suitable for use with our instruments. These are mainly from the solar energy sector, where users are less familiar with the signal output than in meteorology and climate research. Let me share my experiences on dataloggers to you.
I will concentrate on our CMP series pyranometers for measuring global and diffuse horizontal irradiance (GHI and DHI) and plane of array (POA) irradiance. However, similar considerations apply to the CHP1 pyrheliometer for measuring direct normal irradiance (DNI).
That’s not a question: we need both! As a result of a fruitful co-operation, 3E and Kipp & Zonen present a joint white paper, indicating that satellite and pyranometer irradiance data can both co-exist and do even complement each other.