Production degradation accounts for the decrease in solar energy system output over time due to factors such as solar cell degradation, increased connections and wire resistance, mechanical deformation due to weather cycling, and electrical component failure. The amount of degradation depends on the PV technology, local climate, and other application-dependent properties.
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Production degradation rates are configured by financial product, meaning that the same degradation rates applies to all solar energy systems within a financial product. The default degradation rate is set to 0.7% per year and functions as follows:
Example:
Year 1 Estimated Production = 10,000 kWh
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Production degradation rates are configured by financial product and may vary from one to the next, depending on the Financier's designation. For example, the default degradation rate for cash purchase quotes is set to 0.7% per year but a Financier may have set it to a different value for a solar loan or PPA. their solar financing product.
To configure the production degradation rate for your cash purchase quotes, please contact Sighten support at support@sighten.io and submit a request. To configure the production degradation rate for other solar loans and PPAsfinancing products, please contact the Financier's representative and submit a request.
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Since production degradation rates are configured by financial product, a Financier can designate a fixed degradation rate for the lifetime of their financial product. The default value is set to 0.7% per year but can be revised to a different value. Please contact your Sighten Account Manager and/or submit a request to Sighten support.
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Production degradation rates are static for all years of the financial product's lifetime. That is, Year 2 degradation rate is the same as all subsequent years. |
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