Technical reviews of solar+storage news

25 GW of US solar, Musk the richest -then not-but then again, CO2->protein, more – Podcast #27

By John Fitzgerald Weaver | January 15, 2021

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 27. Now, to the news! Per the EIA we’re expecting 15.4 GWac of utility scale, and 4.1 GWac of small scale solar (~25 GWdc total…

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Tesla hit half a million, gigantic wind turbine, 100% wind+solar power, more! – Podcast #26

By John Fitzgerald Weaver | January 9, 2021

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 26. Now, to the news! The new GE offshore wind turbine platform is huge – the NYTimes artiles here covered their 13 MW unit. Since…

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Solar meadows for pollinators and sheep – a picture and video walkthrough

By John Fitzgerald Weaver | January 7, 2021

The purpose of this post is to cover some of the on the ground work done, machines used, and one company’s techniques – Ernst Pollinator Service – when seeding a solar power plant to be local pollinator and sheep grazing friendly. CommercialSolarGuy visited a solar power plant that was near completion located in south central…

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Solar pricing decreases slowed in 2019, volume increased, modules more efficient, changes abound, 2 of 2

By John Fitzgerald Weaver | January 5, 2021

Second half covering Berkeley EMP Lab’s Distributed Solar 2020 Data Update, first half covered here… It is of course, very hard to parse data across hundreds of thousands of installations per year, across varying structure types, weather regions, electricity costs, incentive structures, etc – and come up with salient all encompassing generationzalitons to guide us…

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Solar pricing decreases slowed in 2019, volume increased, modules more efficient, changes abound, 1 of 2

By John Fitzgerald Weaver | January 4, 2021

Berkeley Lab has released Distributed Solar 2020 Data Update, which is a lighter version of their biennial Tracking the Sun report. The document has collected actual solar data – including pricing – of 1.9 million systems installed through 2019, covering 82% of all distributed PV systems installed nationally. The group’s utility scale report is covered here.…

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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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