Solar energy growth is exponential again – up 28%, 3.2% of all electricity in 2020

The US Department of Energy’s Energy Information Administration (EIA) has released the February Electric Power Monthly, providing data through the end of 2020.  The report notes that solar energy exponential growth is back, as photovoltaic (solar) generation grew by more than 28%, accounting for ~3.2% of total US electricity generated for the year. Total electricity…

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Hydrogen power paste, solar powered helicopter on Mars, more! Episode #33

The Clean Power Hour is a weekly clean energy headline review and commentary podcast brought to you by Tim Montague and yours truly – the CommercialSolarGuy – John Fitzgerald Weaver. First of course, here’s the podcast – Episode 33! Now, to the news! Hydrogen-powered drives for e-scooters …this advance is really something significant. One argument against hydrogen…

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Commercial battery testing: some like it hot!

Lithium ion batteries are going to be deployed in massive volumes going forward globally. DNV GL tests those batteries to allow groups like 8Minute Energy to better model the technical, and thus financial, performance of those batteries. DNV GL’s most recent 2050 projections suggest 3 TWh of lithium ion globally, and 5.4 TWh of long…

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Solar cell efficiency record, but a product delayed

On December 21, 2020 OxFord PV announced that they set a new record for a perovskite-silicon tandem research solar cell at 29.52%. The perovskite cell was placed atop a monoPERC NType silicon solar cell. This efficiency percentage broke the very recently set record of 29.15% by Helmholtz-Zentrum Berlin, who had just announced their solar cell…

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Clean energy storage everywhere, the promise of HVDC, Elon’s $100M carbon capture, & more! Podcast #30

The Clean Power Hour – a weekly clean energy headline review and commentary podcast run by Tim Montague, and yours truly – the CommercialSolarGuy – John Fitzgerald Weaver. First of course, here’s the podcast – Episode 30! Now, to the news! Elon Musk announces he’ll donate $100 million toward the best carbon capture technology. As…

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