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Technical reviews of solar+storage news

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, its often because you want to save over a long term while having a bit more stable of a life. Yes, there are costs associated with home ownership, but homes often turn the largest savings account that many have. We’re also used to paying a monthly…

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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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The most beautiful solar roof you can buy *today*

By John Fitzgerald Weaver | May 15, 2020

If you’re in the market for a new roof for your home, and you’re thinking about solar power – then why not both? GAF Energy, one of the world’s largest roofing material companies, and Solaria, who makes a beautiful all black super high efficiency solar panel, have teamed up to offer the DecoTech 2.0 system.…

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When good solar power plants go bad

By John Fitzgerald Weaver | May 13, 2020

Here’s some data for you: Of the 100,000 solar power systems totaling greater than 7 GW that were built as part of the U.S. Treasury Grant program, 0.02% to 0.2% of solar panels needed site post-installation repair work. The number one issue is inverters at 4-6% of sites. And, no surprise, the fewer systems installed…

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Cost of solar power capital down 69 percent; strong economy, and learning curves abound

By John Fitzgerald Weaver | May 11, 2020

The term the industry strove for was investor grade. Anything otherwise suggests risk. Risk is expensive. Researcher at ETH Zurich, Florian Egli has published his first single authored publication – A dynamic analysis of financing conditions for renewable energy technologies. The analysis found that between the early period of the renewable finance industry (2000–2005) and…

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California and Australia are teaching the world how to deploy solar batteries with amazing speed

By John Fitzgerald Weaver | May 6, 2020

Australia and California are guiding the rest of the planet in how to deploy energy storage. And they’re doing it faster than any energy resources have been deployed prior. This week, Southern California Edison announced seven energy storage projects totaling 770 MW/3,080 MWh. The projects signed contracts with some of the nation’s largest electricity generation…

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Top ten list of lowest solar power prices in the world – updated May 18, 2020

By John Fitzgerald Weaver | May 1, 2020

The purpose of this post is to track the top ten lowest priced solar power plants globally. Here they are, as of May 18, 2020: 1.35¢/kWh – Abu Dhabi, 1.5 GW, announced April 2020 1.50¢/kWh – New Mexico, USA, 100 MW, announced May 2020 1.57¢/kWh – Qatar, 800 MW, announced January 2020 1.61¢/kWh – Saudi…

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