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PVSyst

Known unknowns

Historic meteorological data is typically used to assess solar farm yield and secure project finance, but with climate change beginning to affect every aspect of society, past weather data may no longer be a reliable guide. Everoze Partner Nastasia Pacaut looks at how PV projects can be future-proofed in a changing climate.

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Get what you pay for

Clean Energy Associates (CEA) has calculated the price premium that solar developers will swallow in return for the levelized cost of energy (LCOE) savings offered by the latest generation of high-efficiency PV panels.

Nigeria’s solar workforce can help the world to net zero

With a rising chorus of voices calling for more solar industry recruits to perform the energy transition, Nigeria already has a skilled base of PV engineers and, with a little help filling the few gaps they have in their knowledge, the nation can step into the breach immediately, as Testimony Gabe-Oji, chief technology officer for Abuja-based installer Green Energy Spectrum, explains.

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A mathematical method for choosing the best PV technology in hot, dry areas

The proposed model is said to perform better at energy prediction than software tools such as PVWatts, PVSyst or RetScreen. The approach was validated on two 5 MW PV plants in the same district of the Indian state of Rajasthan.

Webinar Q&A: Performance modelling for accurate energy output and yield prediction of bifacial PV systems

In our recent webinar, held in partnership with JinkoSolar, on the impact of bifacial modules and modelling their yield under varying environmental conditions and system setups, JinkoSolar’s Andrea Viaro discussed innovations in bifacial module design, and implementing these into a system to positively impact the return on investment. Teun Burgers, a Senior Researcher at ECN.TNO also delved into the simulation of bifacial PV systems, and treated us to a closer look at ECN’s BIGEYE simulation model. Here, the two presenters answer some more of the questions posed by the audience during the webinar.

Webinar Q&A: Simulating the gains of bifacial and tracking installations, where’s the rub?

Following up on the webinar held with Trina Solar about the new algorithms needed for bifacial and tracking installations, the word is that gains of 20-30% are not unlikely. To attain that, however, the sweet spot of front and rear side yield has to be reached. Trina has showcased a new algorithm alongside its bifacial n-type modules and claims it can do just that.

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