Wednesday, July 17, 2024

Again contact photo voltaic beats mono PERC at lifetime power era – pv journal International


A brand new evaluation discovered that again contact photo voltaic reveals a mean lifetime power acquire of 16.0% over mono PERC. The paper additionally states that again contact has a mean of 9.7% shorter payback time and 10.7% decrease LCOE throughout all modeled areas.

A brand new white paper from analysis and consulting agency Exawatt examines and compares key module parameters of varied applied sciences to evaluate the potential worth these applied sciences can provide for residential and industrial purposes. purposes. The white paper, written by Molly Morgan and Alex Barrows of Exawatt, attracts on analyzes from the corporate’s Solar Technology and Cost Service.

The paper reveals that, with modeling carried out, again contact (xBC), heterojunction (HJT), and tunnel oxide passivated contact (TOPCon) applied sciences can present vital enhancements in lifetime power era in comparison with mono passivated emitter rear contact (PERC) applied sciences. Through detailed modeling workouts, the doc evaluates how xBC, HJT, and TOPCon contribute to further clear power era and potential monetary financial savings relying on particular system parameters.

In each residential and industrial system modeling eventualities, the authors discovered that xBC was the highest performer, exhibiting a mean improve of 16.0% in mono PERC, whereas HJT and TOPCon provided era good points of 11.4% and eight.2 %, respectively.

Percentage acquire in power era in main European nations by know-how, in comparison with mono PERC (Residential – 5 kWp). Data: CRU/Exawatt. Note: The proportion improve in lifetime power era is modeled utilizing a system with a 30-year lifetime. Energy era good points are offered for xBC, TOPCon, and HJT applied sciences in comparison with mono PERC – xBC offers the best power era good points in any respect areas modeled.

Image: Exawatt

In addition, the white paper examines the profitability of residential and industrial installations via assessments of payback time and levelized price of electrical energy (LCOE). Despite their premium pricing, xBC, HJT, and TOPCon applied sciences present improved profitability in each modeling eventualities in comparison with earlier mainstream mono PERC. Among these applied sciences, xBC emerged because the frontrunner, boasting a mean of 9.7% shorter payback time and 10.7% decrease LCOE throughout all modeled areas.

Savings in payback interval in key European nations in comparison with mono PERC (residential 5 kWp). Data: CRU/Exawatt. Note: Payback time is modeled utilizing a system with a 30-year life. xBC offers the best financial savings in fee time throughout all modeled areas.

Image: Exawatt

Savings in LCOE in the primary EU nations in comparison with mono PERC (C&I – 150 kWp). Data: CRU/Exawatt. Note: LCOE is modeled utilizing a system with a 30-year lifetime. xBC offers the best financial savings in LCOE of all areas modeled.

Image: Exawatt

While small price reductions can nonetheless be achieved within the present PV business, the white paper outlines that these are comparatively small in comparison with the potential effectivity good points provided by superior applied sciences. High module effectivity is essential to reducing system cost-per-watt, payback time, and LCOE, as it may possibly decrease the per-watt price of many vital non-module prices corresponding to work and mounting.

The white paper highlights the significance for distributors, installers, and system house owners to grasp the worth proposition of high-performance applied sciences for knowledgeable decision-making on which know-how the one with the best worth for a particular software.

The authors conclude that because the business continues to prioritize efficiency enchancment over price discount, the adoption of high-performance PV applied sciences could pave the best way for elevated effectivity, price financial savings, and sustainable power options.

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