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Quality

Fraunhofer ISE warns of risk from higher than expected UV-induced degradation in TOPCon, PERC, HJT cells

The researchers of the German institute explained that UV-induced degradation may cause larger than expected efficiency and voltage losses in all dominant cell technologies, including TOPCon devices. The scientists expect that silicon nitride layers could be used to enhance TOPCon UV stability compared to PECVD layers typically utilized in PERC and heterojunction cells.

All solar cell efficiencies at a glance – updated

The research group led by Professor Martin Green has published Version 65 of the solar cell efficiency tables. There are 17 new results reported in the new version.

Hail-prone Texas solar project cuts insurance costs 72%

A case study by kWh Analytics demonstrated the value of building a resilient, weather-hardened solar facility.

Future-proofing battery energy storage investment

Energy losses and advances in battery technology can affect utility-scale storage asset performance over time. Jordan Perrone, senior project development engineer at Depcom Power, explains how planning for battery storage augmentation from the start can simplify future upgrades down the line.

‘TOPCon technology comes with three or four relevant risks that should be known’

The results of this year’s Kiwa PVEL scorecard have shown that TOPCon technology is more vulnerable than PERC, and the failure rate at BOM level has increased to 41%, the highest in history, according to the testing lab.

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‘TOPCon technology comes with three or four relevant risks that should be known’

The results of this year’s Kiwa PVEL scorecard show that TOPCon technology is more vulnerable than PERC, and the failure rate at BOM level has increased to 41%, the highest in history, according to the testing lab.

Solar panels: Larger, thinner… and weaker?

With hailstorms in the United States and Australia severely damaging solar arrays – including “golf-ball sized” hail at the 350 MW Fighting Jays project in Texas in March 2024 – insurers are raising premiums and reducing or canceling hail coverage. Everoze Partner Simon Mason discusses the challenges the industry faces in minimizing its hail risk exposure.

Kiwa PVEL, Kiwa PI Berlin outline best practices for PV module quality

Kiwa PVEL and Kiwa PI Berlin have published a white paper that uses recent module testing and in-factory data to guide the best use of testing and inspection metrics. The paper aims to ensure that solar modules meet acceptable quality standards.

The effects of wind on single-axis PV trackers

Scientists in South Africa have conducted full-scale research on the effect of wind load on PV panel mounting rails for more than 100 days. Compared to standard design codes, they found lower combined wind load coefficients. Maximum loads occurred for an easterly wind direction.

How long do residential solar inverters last?

Multiple factors affect the productive lifespan of a residential solar inverter. In Part 2 of our series, we look at solar inverters.

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