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Research

Sunrise brief: Post-IRA opportunities and risk in utility-scale solar

Also on the rise: Facebook (Meta) total solar procurement closes in on 4 GW. New solar projects are more economical than operating existing coal plants. And more.

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Building new solar projects is less expensive than operating existing coal plants

Energy Innovation Policy & Technology released a report that finds the economics of replacing coal with renewables could fund a massive battery storage buildout, adding reliability to the benefit of reduced emissions.

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Sunrise brief: If approved, Ohio solar plant could be largest in nation

Also on the rise: Bipartisan group files to repeal solar tariff moratorium. Town recoups $2.3 million in back taxes with solar on a landfill. And more.

Thin, lightweight coating protects perovskite solar in space

An ultrathin coating protects a perovskite solar cell from the harmful effects of space and hardens it against environmental factors on Earth, according to a study by researchers at National Renewable Energy Laboratory (NREL).

Scientists assess lifetime for perovskite PV to become competitive on rooftops

Researchers say that lightweight, high-performance perovskite solar modules could soon become competitive with crystalline PV modules in the residential segment, as such products will likely have lower manufacturing and balance-of-system costs in the future.

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Sunrise brief: New Mexico law seeks solar on every roof, and an EV charger in every garage 

Also on the rise: 50 states of solar incentives–Illinois. Falling costs, 15 GW of US solar module production, and TOPCon trends. And more.

Startup begins producing 40%-efficient thermophotovoltaic cells

Antora Energy says its new 2 MW factory will make thermophotovoltaic cells for thermal storage applications. The cells are based on III-V semiconductors and reportedly have a heat-to-electricity conversion efficiency of more than 40%.

Startup unveils saltwater flow battery for large-scale storage

U.S.-based Salgenx has developed a scalable redox flow battery with two separate tanks of electrolytes, one of which is saltwater. Unlike other flow batteries, the new device is membrane-free, promising big gains at the levelized cost of storage level.

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New method to measure energy yield of bifacial PV systems

Canadian scientists have developed a new way to measure the energy yield of bifacial PV systems. They said they considered the spectral albedo of ground cover like snow and sand to predict energy gains of up to 2%, in comparison with the International Electrotechnical Commission (IEC) standard.

Upswing in PJM interconnection costs amid energy transition, report says

Huge growth in interconnection requests along with lengthy reviews and high project withdrawal rates motivated PJM to create a “first-ready, first-served” approach in 2022, Berkeley Lab notes.

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