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Residential PV

April sees mixed irradiance during extreme weather around the Arabian Sea

In a new weekly update for pv magazine, Solcast, a DNV company, reports that, despite record rainfall in the middle of April, areas of the Arabian Peninsula still saw above-average irradiance through April, with the UAE and parts of Saudi Arabia seeing irradiance about 5% above normal.

Key takeaways from the German-African Energy Forum

The 17th edition of the German-African Energy Forum in Hamburg this week drew more than 300 participants from over 30 countries. The continent’s green energy transition and how to finance it were among the topics on the agenda.

New MPPT technique based on improved snake algorithm

Researchers from China have suggested to use the so-called improved snake optimizer (ISO) algorithm for maximum power point tracking in PV systems. The proposedly algorithm can reportedly achieve a higher PV system performance and better accuracy than the simple snake algorithm.

Germany’s January-April solar installations hit 5 GW

Germany added approximately 1 GW of new solar capacity in April and 4.9 GW in the first four months of this year, according to the Federal Network Agency (Bundesnetzagentur). The country’s total PV capacity now stands at 87.6 GW.

AleaSoft records higher electricity prices in most European markets

Spanish consultancy AleaSoft Energy Forecasting says France, Germany, Spain and Portugal all broke records for daily PV energy production in the second week of May, as prices in all major European electricity markets, except for the French market, continued to increase.

Key takeaways from Bulgaria’s RE-Source Southeast Conference

The first day of the RE-Source Southeast Conference in Sofia, Bulgaria, this week underscored European and regional interest in renewable-energy projects based on corporate power purchase agreements (PPAs). Negative or very low electricity prices in European electricity markets affect the appetite for such projects, but the solution for investors and policymakers is to approach the issue systematically.

Netherlands to phase out net-metering scheme in 2027

The new government coalition in the Netherlands says the nation’s current net-metering scheme will be maintained until the end of 2026. The previous Parliament had rejected a proposal to cancel the scheme by the end of 2025.

US startup debuts wall-mountable residential heat pump

US-based Quilt has unveiled a residential heat pump with a coefficient of performance (COP) of up to 4 and noise levels of 27 dBA to 47 dBA. The startup recently raised $33 million (€30 million) from a group of investors.

3D printed clamps for front-surface PV mounting on wood racking

A Chinese-Canadian research team proposed a new PV mounting solution relying on two types of spacers and two types of clamps that can be printed with common printing materials. The cost of the different solutions presented varies from CAD1.50 ($1.10) to CAD3.83.

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DAH Solar launches 380 W BIPV module

The Chinese manufacturer said the new product has an efficiency of up to 19.46% and a temperature coefficient of -0.30% per C. It is available in bright red, light gray, brown, green, blue-green, orange, and ocean blue.

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