Full article available on Reuters.

“Underperformance of solar assets is occurring far more often than expected and cost pressures and widening technology options will increase the challenge, industry experts said.

A recent report by a group of data and measurement specialists has highlighted the impact of solar asset underperformance on returns.

Report leader kWh analytics found P90 production levels are occurring in more than one out of three years, rather than the expected one-in-10 years. P90 production levels reduce equity cash yields by 50%, it said. The study covered 20% of the US operational fleet.

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