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Sunrise brief: 50-year solar? Here’s how the numbers may work

Also on the rise: NREL points to energy efficiency as a good substitute for energy storage, and a salary survey finds a widening pay gap between women and men in the solar sector.

New tech recovers pure silicon from end-of-life solar cells

The technique is reported to be able to deliver recycled silicon with a purity of up to 99.9984%.

Energy efficiency is a good substitute for long-term storage, NREL study says

Reducing building energy usage by about 60% is key to a least-cost 100% renewable energy grid, the study found. 


Sunrise brief: U.S. module supply risk is ‘material,’ warns analyst firm

Also on the rise: SEIA urges an end to Section 201 tariffs on solar imports, CATL signs a battery deal with startup EV maker Fisker, and Solar Landscape wins 46 community solar projects in New Jersey.

When oversized is really the right size

Researchers concluded that wind and solar generation resources that were sized at 1.5x along with three hours of energy storage would meet all but 200 hours of demand scattered throughout any given year.


Honeywell, Duke Energy partner on flow battery test project

The battery, which uses an electrolyte to convert chemical energy into electricity for storage and deployment, will begin testing in 2022 at Duke Energy’s Emerging Technology and Innovation Center in Mount Holly, North Carolina.

Watch: Solar panels blasted with sound to better understand microcracking

Researchers at NREL and EPRI focused heavy bass sounds on solar panels to simulate the effects of wind-caused deflection.

Early results of utility scale solar+storage revenue models

Adding batteries to solar increases revenue in different ways in different places.


Sunrise brief: Calculating the economic lift offered by community solar

Also on the rise: Polysilicon prices are likely to stay high as a ‘crazy year’ extends into ’22, Hawaiian Electric is seeking energy and capacity, and the latest landfill-hosted solar array enters service.

Researchers probe light-induced degradation that impacts silicon solar cells

Light-induced degradation (LID) shaves the efficiency of silicon solar cells by about 2%, which adds up to a significant drop in power output over the lifespan of the technology deployed in the field.

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