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Manufacturing

Non-linear degradation curves affecting solar project profitability

Italian scientists have looked at how non-linear degradation curves could affect the profitability of large-scale solar projects. They found that full substitution of the modules after 10 years could be justified if the performance loss rate was higher than 1% per year.

India launches second phase of solar production incentive scheme

Solar Energy Corp. of India (SECI) has started accepting applications from solar manufacturers under the second phase of the production-linked incentive (PLI) scheme, with an outlay of about $2.4 billion.

Sunova Solar releases 575 W n-type PV panel with 22.2% efficiency

Sunova Solar is offering five versions of its new solar panels, with power outputs from 555 W to 575 W and efficiencies ranging from 21.4% to 22.2%. They have a temperature coefficient of -0.31% per degree Celsius.

NREL updates interactive chart of solar cell efficiency

The US National Renewable Energy Laboratory (NREL) has released a new, interactive version of its research cell efficiency chart for a range of PV technologies.

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Polycab unveils grid-tie string solar inverters

India’s Polycab has unveiled compact, lightweight grid-tie string solar inverters with power outputs ranging from 1 kW to 5 kW.

CIGS-perovskite tandem solar module with 21.1% efficiency

German scientists have built a tandem perovskite-CIGS panel measuring 9 square centimeters, with organometallic perovskites for the top module.

Solar windows cut emissions, energy use by 40% in glass skyscrapers

The US National Renewable Energy Laboratory (NREL) has modeled the benefits of PV in highly glazed skyscrapers.

Enel Green Power confirms plans to build 3 GW solar module factory in US

Enel, which already runs a solar factory on the Italian island of Sicily, said its new US plant with be its second global PV manufacturing facility.

Longi claims world’s highest efficiency for silicon solar cells

Longi said it has achieved a 26.81% efficiency rating for an unspecified heterojunction solar cell, as confirmed by Germany’s Institute for Solar Energy Research Hamelin (ISFH).

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Weekend read: Elusive longevity

The expected lifetime of PV inverters is significantly shorter than that of modules. In many projects, inverter replacement is included in financial calculations from the start, despite the high costs. Research is being conducted into the causes of faults to develop more durable inverters and components. But plant design can already improve the lifespan of inverters in use today, reports pv magazine Germany’s Marian Willuhn.

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