Installations

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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Morning Brief: Philly signs an 80 MW PPA, Sunnova closes securitization of rooftop systems

Also in the brief: Fayetteville municipal buildings are two-thirds powered by solar, climate change is a defining issue for Nevada Democrats, Smithville, Texas approves 1 MW project, and more.

Morning Brief: 160 MW coming to Oregon, Vision Solar Expands to Massachusetts

Also in the brief: an 18 MW community solar portfolio proposed in Oregon, Sunnova partners with Generac and more.

Explosive growth: BNEF expects California residential battery installations to quadruple this year

As a California installer has said, “I kind of compliment PG&E because they’re our best marketing department when it comes to battery storage. Now the challenge is there’s a very limited number of battery storage systems that are going to meet the reliability threshold.”

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Energy storage innovations and exhibitors at Intersolar San Diego

EMP/solar flare-hardened gear, storage-behind-the-PV-module and Generac made appearances at the Intersolar show in Southern California last week.

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Idaho regulators rule that net metering rates belong to the system, not the customer

Idaho regulators have amended an earlier ruling, now stating that the legacy rate given to customers who installed residential solar systems before December 20, 2019 applies to the system, not the customer.

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What’s the efficiency of a Tesla glass tile solar roof?

It depends. We attempt to do the math. Maybe it doesn’t matter.

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Ten sunniest US states added 1.8 GW of small-scale solar in 2019, as solar advocates press for more

Solar contractors added another 1.8 gigawatts of small-scale solar in the ten sunniest states last year. In Hawaii and California, solar groups described their ambitious policy goals to keep the momentum going.

Job moves: Engie fires CEO, plus Enphase, Sunrun, Sol Systems, Nautilus, Sage Energy

Executive and boardroom moves in solar, storage, project development, cleantech, utilities and venture capital.

Oil and gas giants Shell and Total get serious about solar

Total acquired 50% of India’s Adani Group’s solar portfolio for $510m and Shell is building its first large-scale solar farm, a 120-MW effort in Australia.

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