Here are recent results from a large US DOE-funded project related to perovskite reliability: https://pvpact.sandia.gov/results-and-data/ https://pvpact.sandia.

Here are recent results from a large US DOE-funded project related to perovskite reliability: https://pvpact.sandia.gov/results-and-data/ https://pvpact.sandia.gov/results-and-data/ The “record holder” lasted about 150 days outdoors before dropping below 80% of original efficiency. But there are a number of samples that are still going and catching up. For reference, 80% of “new” output is close to what many solar module warranties cover.