company found $177.7 million in preventable annualized revenue losses
dataset comprises 125 GW of PV assets, spanning 41 countries
found average losses of $4,696 per MW, though losses varied regionally
Since 2019, the average losses from underperformance have increased from a 1.61% average power loss, to 4.47% in 2023. Raptor Maps said this equates to an internal rate of return at loss of at least 190 basis points in a 100 MW solar asset.
2023 survey, the company found “many operators identified preventative maintenance visual inspections as a significant source of time wastage, and a large number of respondents also identified validating nuisance alarms as another way time is wasted.”
Inverter faults, string outages, and combiner faults contributed power losses of 1.91%, 0.90%, and 0.81% respectively. Instances of tracker issues have also risen from 0.26% in 2022 to 0.46% in 2023.
module performance has improved slightly, with losses decreasing by about 12% year-over-year