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To help address the industry's needs for assuring the value and reducing the risk of investments in PV power plants; the International Electrotechnical Commission (IEC) has established a new conformity assessment system for renewable energy (IECRE). There are presently important efforts underway to define the requirements for various types of PV system certificates, and publication of the international...
One of the key issues facing the PV industry, and renewable energy in general, is the need to assure investors of the value of their system. As one means of accomplishing this goal, the International Electrotechnical Commission (IEC) has established a new system for conformity assessments of renewable energy projects (IECRE). An important activity supporting the new IECRE system is the development...
A method to report photovoltaic (PV) system degradation rates without using irradiance data is demonstrated. First, a set of relative degradation rates are determined by comparing daily AC final yields from a group of PV systems relative to the average final yield of all the PV systems. Then, the difference between relative and absolute degradation rates is found using a Bayesian statistical analysis...
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