‘Nuclear power is now the most expensive form of generation, except for gas peaking plants’

The latest edition of the World Nuclear Industry Status Report indicates the stagnation of the sector continues. Just 2.4 GW of new nuclear generation capacity came online last year, compared to 98 GW of solar. The world’s operational nuclear power capacity had declined by 2.1%, to 362 GW, at the end of June.

Best membrane for vanadium redox flow batteries

A new research paper looks at the membranes used for applications in vanadium redox flow batteries. It outlines various membrane technologies and the obstacles to bringing batteries to mass production.

Floating PV to offset underperforming hydropower

Brazil now has 12  GW of underperforming hydropower capacity, according to U.S. researchers. Large-scale floating PV is an ideal solution to offset this shortfall, due to its high capacity factor, load correlation, and high potential output during periods of high demand.

Solar-plus-storage for the Cook Islands

Around 4.2 MWh of energy storage capacity will be connected to a solar and diesel micro-grid on Rarotonga, the largest of the islands in the South Pacific nation. Three 40-foot containers with a total power output of 4.8 MVA will be used as a power reserve and for grid support by utility Te Aponga Uira.

NREL scientists encourage ‘optimal’ PV curtailment

Solar curtailment might become a valuable aspect of future PV deployment, particularly if grid operators start focusing on ‘curtailment management’ instead of ‘curtailment prevention.’ Management would include measures such as flexible generation, storage, load flexibility, and regional coordination.

Inverted pyramid-based PERC solar cell with 21.4% efficiency

A Chinese research group has developed a PERC cell on a commercial 180-μm-thick monocrystalline silicon wafer with a standard size of 156 × 156 mm2. The cell has an open-circuit voltage (VOC) of 0.677 V, a short short-circuit current (ISC) of 9.63 A, and a fill factor of 80.30%.

Global green hydrogen project pipeline reaches 50 GW

International thinktank IEEFA says there are 50 viable green hydrogen projects under development with an estimated renewable energy capacity of 50 GW and the potential to produce 4 million tonnes of the fuel annually.

Construction begins on 60 MW floating PV plant in Singapore

The plant will sell power to Singapore’s Public Utilities Board under a 25-year PPA. The project is located at the Tengeh Reservoir.

Jinko unveils new 610 W solar panels

The Chinese manufacturer introduced new PV modules this weekend at the SNEC solar exhibition in Shanghai.

Solar tile with passive cooling

Researchers built the device by attaching 17%-efficient monocrystalline PV cells to a mortar roof tile that was doped with a phase-change material (PCM). The PCM solar tile provided 4.1% more power than the PV tile with no cooling agent in the winter, and 2.2% to 4.3% more during the summer.

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