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Quality

Data shows solar asset underperformance and bias towards optimistic pricing

Solar assets are underperforming far more frequently than official energy estimates would suggest, according to the industry experts who contributed to KwH Analytics’ 2020 solar risk assessment report.

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pv magazine’s Roundtables go virtual and reach a global audience

The Covid-19 pandemic featured prominently at this week’s inaugural pv magazine Virtual Roundtables Europe, which took place last week. Not only did the pandemic lead to the virtualization of pv magazine’s established June Roundtables, but it was a big topic in the final session dealing with markets and specifically the further development of power purchase agreements (PPAs) in Europe.

Silfab’s high-profile, high-reliability, North American-made solar installations

Silfab PV modules are found on NFL stadiums for the Panthers, Browns, Lions, and Steelers — as well as other prestige locations.

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PVEL solar module scorecard: In a rush to innovate, some manufacturers ‘overlooked basic quality control’

PV Evolution Labs (PVEL), a test lab for the downstream solar market, just published its PV Module Reliability Scorecard. The lab notes the high level of innovation in the solar module industry and namechecks the market’s reliability leaders — but also observed a resurgence of known failure mechanisms — such as PID.

It may be safe to put PV panels in landfills, but that doesn’t mean we should

According to a new report from the International Energy Agency (IEA), health risks from lead in crystalline silicon PV panels are one order of magnitude — or about one-tenth — below the risk levels set by the U.S. Environmental Protection Agency.

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Solar power installation techniques – don’t do this! (w/pictures)

Solar installation inspection results of 100 sites in Rhode Island found 50% of large-scale projects had issues, while 83% of small projects had them – with 30% and 26% of those systems having “critical” issues, respectively.

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Making the connection: Fires & electrical balance of systems

Walmart’s allegation that some of the fires in the solar plants on the roofs of its stores were started by connectors echoes concerns the industry has had for some time. And the problems go far beyond one manufacturer or installer.

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Battle of the module reliability rankings

While module makers are attempting to get the best possible scores for their products on 3rd-party tests, 3rd-party testing providers are also offering competing products to rank products. We look at what’s similar and what’s different in the tests.

PVEL looks at the risky business of inverters

The testing company’s first inverter scorecard found widespread failures of basic tests in UL- and IEC-tested products.

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Rise of bifacial lifts profits for the world’s tracker companies

Things are hotting up in the tracker world as the desire to squeeze down the price per Watt of solar power intensifies. And the rise of the trackers is attracting some well-known businesses to buy their way into the field.

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