Technical reviews of solar+storage news

Record solar cell efficiency, battery payback in a year, solar+telescopes, more! – Podcast #24

By John Fitzgerald Weaver | December 21, 2020

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 24. Next, the show started with Cesar Barboa of Nulife Power Services talking about repowering and decommissioning solar power systems, and what to do with…

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Tesla Powerhub & Megapacks – business continuity and resilience via solar power plus energy storage microgrids, #2

By John Fitzgerald Weaver | December 18, 2020

In the spring of 2020, a California business owner called into CommercialSolarGuy and asked for support deploying a solar photovoltaic plus energy storage (PVS) microgrid at his multiple building manufacturing campus in Southern California. His business had years ago installed a diesel generator, and extra wires between the various structures to increase the site’s general…

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Gigawatts of tandem solar cells, Solar freaking roadways, SeeThru Solar, more! – Podcast #23

By John Fitzgerald Weaver | December 11, 2020

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 23. Now, to the news! SeeThru Solar First off, CSG Developers LLC – technically the owner of CommercialSolarGuy (and really just a responsible sounding company…

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You know LCOE, but how about LCOS? Energy storage analysis from Lazards

By John Fitzgerald Weaver | December 10, 2020

Every year, the much heralded Lazard Levelized Cost of Energy Comparison is released. The wind and solar industry sing the praises as the document gives hard electricity pricing in a format showing off renewables. The most recent version of this document (below) shows the unsubsidized cost of electricity from utility scale solar solar between 2.9…

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Business and homeowners installing solar are saving their neighbors billions in New England

By John Fitzgerald Weaver | December 8, 2020

It used to be that the most expensive electricity was between noon and early afternoon as temperatures built and air conditioners turned on. Different regions would see varying mixes of this peak pricing based on climate, and heating/cooling technology. Obviously, since the sun rises on its own schedule, and generates electricity as such – heavy…

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Three Tesla Terrafactories to rule them all, renewable supermajors, solar woops diesel, 200 GW of solar in 2022, more! – Podcast #22

By John Fitzgerald Weaver | December 4, 2020

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 22. Now, to the news! At some point this will be a full-on story, but for now, it’s a blurb. In an interview, Elon Musk…

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Solar plus storage saved our lives, what’s Biden going to do, second use batteries, more! – Podcast #20

By John Fitzgerald Weaver | November 20, 2020

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 20. Now, to the news!   First, the we covered an article from this website – What Biden might do for solar: 100% clean electricity…

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Utility scale solar electricity pricing fell 17% last year, 480 GW in the queues, storage pricing – great set of data and visualization toys

By John Fitzgerald Weaver | November 18, 2020

The Electricity Markets & Policy Group at Berkeley Lab, part of the US Department of Energy, has released their annual update of utility scale solar power plant pricing, sizing, hardware trends, locations, etc in the United States. The information is released is multiple formats. A clean powerpoint with key conclusions, a spreadsheet with lots of…

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Blue solar panels, China going 100% clear vehicles, is 10 TW of solar to little?, more – Podcast #19

By John Fitzgerald Weaver | November 13, 2020

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 19. Now, to the news! First we covered an article written here last week: 10 terawatts of solar power generating 18 petawatts of electricity in…

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What Biden might do for solar: 100% clean electricity (800 GW of capacity), cancel import tariffs, carbon tax, Paris Agreement, transmission?

By John Fitzgerald Weaver | November 8, 2020

Over the weekend, former Vice President of the United States Joseph Biden was announced as the winner of the 2020 U.S. Presidential Election. Good luck sir on your new job. During campaigning and debates, Biden suggested significant support to clean energy. For instance, he promises to rejoin the Paris Agreement on day one of his…

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