The degradation rate for polycrystalline panels typically falls between 0. This decrease in value manifests in two ways: Performance depreciation – i. This inevitable degradation is normally factored into the solar manufacturer's. . The depreciable basis is crucial: The initial amount that will be depreciated is the depreciable basis, which is calculated based on the cost of the property, adjusted for applicable credits and deductions. Find out how this is calculated below.
[PDF Version]