Technical reviews of solar+storage news

solar for home

Residential Solar Finance – a review of 2019’s $1.35 billion in ‘ABS 144A’ transactions, and this year’s $870 million

By John Fitzgerald Weaver | July 1, 2020

Last year (2019) saw a record volume of residential solar installed in the USA: 2.8 GW, and the mostly pre-COVID first quarter of 2020 at ~800 MW was the best Q1 by a long shot. With homeowners wanting greater residential resilience, and residential pricing down a bit, the long-term pace of growth is expected to…

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Solar+storage and 100 percent resilience requires some gas or a lot of land

By John Fitzgerald Weaver | June 29, 2020

The Brattle Group has released a report, Decarbonized Resilience: Assessing Alternatives to Diesel Backup Power, focused on microgrid solutions that could provide 100% reliability to all loads served by a 10 MW distribution substation in Northern California for two to four consecutive days. This specific focus was chosen because of the Public Safety Power Shutoffs…

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Solar+Storage Gear: Enphase + Hanwha Q Cell solar panel refresh – ‘Q.PEAK DUO BLK-G6+/AC IQ7+’ at 340-345 watts

By John Fitzgerald Weaver | June 25, 2020

First, the news: there’s a new AC solar module on the market. Enphase and Hanwha Q-Cells have released a 340 and 345 watt solar panel with an integrated at the factory microinverter. The module product names are Q.PEAK DUO BLK-G6+/AC 340 and Q.PEAK DUO BLK-G6+/AC 345. The all-black solar panels are specified for the residential…

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How long will it take to get my solar power building permits?

By John Fitzgerald Weaver | June 22, 2020

Did you know that in Australia a solar power installation contract can be signed on Monday, and the install team can show up on Tuesday to start the work? In Germany, the whole country has a one page document for solar permitting – and ‘small scale’ solar doesn’t need permits in many jurisdictions. In the…

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Solar panels for sale: the “Top Performers” series by PV Evolution Labs

By John Fitzgerald Weaver | June 9, 2020

The primary purpose of this post is to create a list of high quality solar panel manufacturers for consumers to further research. There are other just as high quality manufacturers that aren’t on this list (LG for instance), but if this is all you had – you’d do all right. The secondary purpose of this…

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Solar power plant’s longer lives, cheaper O&M, has meant 9% cheaper electricity

By John Fitzgerald Weaver | June 5, 2020

When you choose to buy a house versus renting, it’s often because you want to save over a long term while having a bit more stability. Yes, there are costs associated with home ownership, but for many people their homes often turn into their largest savings account. We’re also used to paying a monthly rent…

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Solar panel innovation is much more than efficiency

By John Fitzgerald Weaver | May 29, 2020

The 500 watt commercial solar panel arrived recently. Greater efficiency means cheaper modules, lower installation costs, and of course lower electricity pricing. Joining the 500 watt party, Trina has introduced their Vertex solar panel family via a whitepaper. The product is split into two groups: bifacial double-glass modules DEG18MC.20(II), and the backsheeted modules DE18M(II)). Both…

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The Peck Company, Q1’20: Project pipeline up 36%, bond market connection made, stock price up 51% in 2020

By John Fitzgerald Weaver | May 25, 2020

The Peck Company filed their Q1 2020 earnings report; you can read the press release and full SEC filings online. The company’s pipeline has increased to $40.8 million, an increase of 36% from the $30 million reported at the end of 2019. No specific volume in megawatt terms was included in the filing. Gross profits…

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America’s first gigawatt solar power plant, with Warren Buffett as buyer, to be built in Nevada

By John Fitzgerald Weaver | May 22, 2020

The Gemini Solar + Battery Storage Project has been given its final approval by the U.S. Department of Interior’s Bureau of Land Management. The facility will be owned and operated by the investment firm Quinbrook, and will sell its electricity to Warren Buffett-owned electricity utility NV Energy in a 25 year power purchase agreement. The…

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When will flow batteries be real?

By John Fitzgerald Weaver | May 18, 2020

There have been a few headlines regarding flow batteries recently: Form Energy’s First Project Tries Pushing Storage to 150 Hours How zinc-air battery capacity might reach a cost of $45/kWh Avalon and redT unite in $70 million merger of vanadium redox flow battery startups Schmid JV to begin building 3GWh Saudi Arabia flow battery factory…

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