The Dutch government is planning to reduce tariffs by 9% annually from 2023 to 2030. The plan should still ensure a reasonable payback time for homeowners willing to go solar, according to the authorities.
Available in three versions, the product costs around $307-324 per square meter although prices will vary depending on project complexity. Swiss manufacturer Freesuns says its tiles can be used on historic buildings and can cover 100% of rooftops.
The Covid-19 crisis has far-reaching effects – including on the PV industry and solar installation market. The results of a survey conducted in a recent pv magazine webinar painted a picture of businesses unsettled by the pandemic but still taking orders at present.
According to a Norwegian group of researchers, the reactive power capability of three-phase voltage source inverters can help to reduce problems caused by the intermittent nature of solar power on distribution networks. The scientists claim they are preferable to expensive grid infrastructure such as under-load tap changing transformers, step voltage regulators, and fixed and switchable capacitors. The group has developed a system model featuring a 7.63 kW PV array module, a three-phase voltage source inverter with 9.5 kVA of capacity, a boost converter, a three-phase dynamic load, and a utility grid.
A footnote in France’s energy legislation had been holding back the development of collective self-consumption in the country, limiting such projects to ‘experimental’ status with terms of no more than five years. The removal of this footnote at the beginning of March means that energy communities for self-consumption are now permitted across the country.
Researchers in Tunisia have proposed a method of determining the characteristic I-V profile of a partially shaded PV module, and to extrapolate it into a string profile.
Byron Bay-based solar retailer Smart Energy says it is seeing an unprecedented surge in sales and enquiries for solar and home energy storage as consumers look to shore themselves up in uncertain times.
Researchers in Pakistan have evaluated the impact of shading on inverter set-ups to assess PV system performance. Tests were conducted on a 51 kW system featuring SMA inverter topologies but the researchers say the findings could be applied to products from other manufacturers. The results showed the number of maximum power point trackers is important but levelized cost of energy calculations are also crucial to selecting the right inverter configuration.
A Norwegian company has developed a way to melt snow on modules to avoid excess weight on roofs and panels, especially on large commercial and industrial arrays. A control system measuring snow density is linked to DC power supply units to warm the panels.
Rebates are being offered to homeowners and businesses willing to couple small solar systems with energy storage.
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