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DOE funds heated sand energy storage project pilot

A modeled commercial-scale project storing energy in heated sand could produce 135 MW of power for five days. The U.S. Department of Energy is funding a pilot project intended to demonstrate commercial viability.

Roadmap to achieving Puerto Rico’s goal of 100% renewable energy by 2050

The report defines implementation actions, highly detailed in the PR 100 Final Report, but which are summarized into five actions from immediate to long-term to recurring.

Sunrise brief: California pivots to propose $24 average fixed fee to electric bills

Also on the rise: Solar module prices remain steady amid unchanged market fundamentals. U.S. solar industry week in review. And more.

The great untapped potential in non-residential rooftop solar for LMI residents

The team used satellite imagery and AI to track unused rooftops with good solar potential, and found that it would bring reduced energy costs to residents.

Thornova launches 720 W TOPCon solar panel with 23.2% efficiency

U.S.-based Thornova said its new panel features a power conversion efficiency spanning from 22.4% to 23.2% and a temperature coefficient of -0.29% per C. The company is a subsidiary of China-based manufacturer Sunova Solar and is currently planning a cell and module factory at an unspecified location in the United States.

Sunrise brief: Walmart makes big commitments to solar energy

Also on the rise: Maxeon claims 24.9% efficiency for IBC solar panel. Potential effect of the 2024 solar eclipse on solar energy production. And more.

1100 GW solar and 1000 GW storage now await transmission interconnection

Solar, wind and battery storage accounted for nearly 95% of the capacity in transmission interconnection queues as of year-end 2023, based on preliminary data from Berkeley Lab, presented in a staff report from the Federal Energy Regulatory Commission.

Maxeon claims 24.9% efficiency for IBC solar panel

Maxeon said it has achieved a 24.9% efficiency rating for a full-scale Maxeon 7 solar panel using its IBC technology. The US National Renewable Energy Laboratory (NREL) confirmed the result.

Potential effect of the 2024 solar eclipse on solar energy production

To compensate for potential loss of solar energy flowing to the grid, grid operators will have to be ready to rely on other sources to ensure grid stability, as was done during the 2017 and 2023 eclipse episodes.

Iron-based redox flow battery for grid-scale storage

Researchers in the U.S. have repurposed a commonplace chemical used in water treatment facilities to develop an all-liquid, iron-based redox flow battery for large-scale energy storage. Their lab-scale battery exhibited strong cycling stability over one thousand consecutive charging cycles, while maintaining 98.7% of its original capacity.

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