United States

US utilities approve 551 MW of solar power at 3.8¢/kWh

North Carolina-based Duke Energy has completed a solicitation for 551 MW of solar power through its CPRE program, with average pricing between 3.79¢/kWh and 3.83¢/kWh and 20 year power contracts.

Eliminate hydrogen for better battery performance, scientists say

Scientists at the University of California, Santa Barbara who are working with sodium-ion batteries have found that the unintended presence of hydrogen is to blame for many of the technology’s shortcomings in terms of degradation and performance loss. Keeping hydrogen out of the materials throughout production could allow sodium-ion batteries to achieve performance levels competing with their lithium-ion counterparts.

BlackRock goes behind the meter with GE

The startup formerly known as GE Solar has become a full fledged company, with GE and BlackRock announcing the creation of Distributed Solar Development, a behind-the-meter solar joint venture.

Sensing an opportunity for indoor PV

A new paper published by scientists from the Massachusetts Institute of Technology examines the potential for integrating small solar cells into the wireless sensors needed to power the fast-growing internet of things (IoT) ecosystem, many of which are located indoors. This market could represent a unique opportunity for thin film PV technologies, and perovskites in particular, to reduce the risk inherent to ramping up commercial scale production.

National Grid dives into renewable energy development

The Anglo-American company is the latest utility to enter the utility-scale solar and wind development space by closing on its acquisition of Geronimo Energy.

Another route to high performance perovskites

Scientists at Pennsylvania State University have developed a new class of perovskite materials, which they say exhibits unique properties that could have several implications for the development of perovskite solar cells, as well as other electronic applications.

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10 GW of utility-scale PV+storage by 2023

In 2019, the United States will become the world’s largest market for grid-connected battery energy storage, writes IHS Markit’s Camron Barati, as solar-plus-storage and peaking capacity requirements drive increased procurement.

REC Silicon lays off 100 workers at U.S. facility

Norwegian headquartered polysilicon manufacturer REC Silicon has announced that it will lay off another 100 workers at its Moses Lake facility in the western United States, as the factory heads into long term shutdown.

Renewables generation cheaper than coal for many power companies – but not yet for Eskom

An investor tool examining the coal fleets of major global power companies has offered up analysis which flies in the face of arguments solar and wind generation could help turn around the debt-saddled South African utility.

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Waste heat is not cool, say US scientists

Engineers at the University of Utah have developed a tiny device which they say could increase the performance of PV panels and other electronic devices by converting energy lost as heat back into electricity.

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