Determining the value of cooling in photovoltaics for enhanced energy yield

We find that the economic value of cooling PV depends strongly on the system design and local conditions, with favourable circumstances leading to a viable cost of potentially over $40/m2, however unfavourable circumstances are many times less attractive at less than $1/m2. The equations presented can be used to optimise the design of a cooling feature that is applied to a PV module or system, provided the above parameters of the cooling feature and PV system are established.