Research

The Southeast has become a dual peaking region

The Southern Alliance for Clean Energy has made that determination after studying the annual maximum peaks for 22 different utility planning authorities over from 1998 to 2018.

Assessing the sustainability of existing photovoltaic technologies

Solar PV technologies are expected to play a massive role in the world’s battle against climate change; headed for a global deployment of 7.5 TW by the year 2050. However, a number of PV chemistries exist in the market and PV modules get better in performance and durability by the year. This analysis looks at various PV technologies and develops a technological and ecological rationale for the best PV technology mix to combat global warming

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Can a transparent solar window harvest enough power to be practical?

Can an organic solar cell material finally be commercialized? Last year, Ubiquitous Energy claimed a world record for efficiency of a “transparent solar cell” with a “certified” 9.8% efficiency.

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Hot electrons? Surface plasmons? Thin-film solar innovation marches on

Thin-film solar startup PI Energy didn’t disclose the photovoltaic materials system it’s been commercializing, other than to say that it wasn’t CIGS, CdTe, or perovskites.

Morning Brief: TVA solicits 200 MW of renewables, Sungrow supplies the Wright project

Also in the brief: 14 MW approved in Maine, 20 MW approved in Indiana, a molten aluminum thermal energy storage system and more.

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Morning Brief: Longroad acquires 160 MW of First Solar projects, Glidepath Ventures sells 887.5 MW PV portfolio

Also in the brief: Pollinator-friendly solar projects in Virginia, register for the Energy Storage Grand Challenge and more.

Trina announces 23.3% efficient PERC cell produced on commercial tools

The Chinese manufacturer claims a record — since the device was manufactured on standard commercial production equipment.

Sunrun responds to PG&E’s gas procurement by modeling a decentralized grid

Directly challenging the bankrupt utility’s system reliability request for proposals, Sunrun has released a paper outlining a renewable alternative: distribution islands with solar and battery backup.

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How Canadian hydro could save New England and New York $5.4 billion

MIT researchers model how 4 GW of powerlines connecting the northeast USA to Quebec hydroelectric facilities eliminates the need for up to 60 GW of wind, solar and storage as the two regional power grids approach 100% clean energy.

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The inner workings of a lithium battery

An international group of scientists has developed a method to track the microscopic processes at work in lithium batteries. Employing a ‘virtual unrolling’ model developed for ancient manuscripts too sensitive to be opened, the group peeked inside the layers of a commercial battery to gain a better understanding of the processes at work and the degradation mechanisms affecting them.

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