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Thirty-five countries now operate GW-scale annual PV markets

The latest report from the International Energy Agency’s (IEA) Photovoltaic Power Systems Programme (PVPS) highlights that 2024 was another record year for solar installations but large overcapacities of solar cell, module and wafer manufacturing continued.

Copper demand to rise 24% by 2035, says Wood Mackenzie

Demand for copper, often considered as one of the most valuable alternatives to silver in solar manufacturing, is expected to increase by almost a quarter globally by the middle of next decade. Wood Mackenzie says the energy transition is one of four ‘disruptors’ that could cause demand to increase further.

Researchers discover photovoltaic properties in zinc-based film

Research from the University of Wisconsin-Milwaukee has found zinc-phosphate-hydrate (ZPH) films are capable of producing electricity from light. The coating’s photovoltage was amplified when anthocyanin, a natural dye found in blackberries, was added.

IEA lowers 2025-30 forecast for solar growth

The International Energy Agency (IEA) cut its 2025–30 renewables forecast by 5%, citing lower solar additions, though PV still represents nearly 80% of 4.6 TW expected growth.

Freight costs steady after early September spike

Freight costs, which contribute towards the total cost of a solar installation, have fallen week-on-week on trade lines out of the Far East, helping to offset a price surge in the US-bound short-term market recorded at the start of September.

Astrobotic, Honda developing vertical solar, storage solution for lunar missions

Pittsburgh-based aerospace company Astrobotic and Honda’s North American subsidiary are working on integrating Astrobotic’s vertical solar array technology with Honda’s regenerative fuel cell system to develop a power and storage solution capable of supporting prolonged exploration of the moon.

IEA-PVPS warns soiling costs solar industry billions per year

The International Energy Agency’s Photovoltaic Power Systems Programme (IEA-PVPS) says dust, pollution, and debris on solar panels reduce output by 4% to 7% worldwide, costing the industry billions of euros annually and making tailored mitigation increasingly urgent.

Tiny pinholes can lead to device failure in perovskite solar cells

Researchers in the United States have found microscopic pinholes in perovskites are responsible for the breakdown of such solar cells when under reverse bias conditions. They say the findings should push scientists and engineers to prioritize the production of pinhole-free films to make perovskites more robust and stable.

Scientists boost organic solar cell efficiency using polymer zwitterions

A research team based in China and the United States has developed electroactive polymer zwitterions to modify zinc oxide interlayers in organic solar cells. Their work was found to passivate defects in organic solar cells, helping to improve device performance and stability.

Canada set to surpass 2024 solar growth with rise in behind-the-meter PV

Canada is on track to deploy more solar in 2025 than it did in 2024, according to the Canadian Renewable Energy Association (CanREA), with behind-the-meter installations having a particularly active year to date.

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