Category: Photovoltaics

Here’s a short video on the use of solar in parts of the world with no other access to electricity, explaining how it’s improving human health, productivity, and education. There are lots of good uses for solar in the developed …

The Most “Micro” of the Micro-Grids Read More »

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Whenever I visit Kauai to see my mom, brother and sister-in-law, which happens a couple of times a year, I’m always impressed with this solar array, which is quite visible from the main road that encircles most of the island. …

Kauai Moving to Solar Power–in One Heck of a Hurry Read More »

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It took 13 years to happen, but happen it did.  Back in 2006, then-Governor of California Arnold Schwarzenegger signed the Million Solar Roofs Initiative into law, providing support for home-owners, schools and businesses to go solar.  This Thursday, the former …

Champagne Corks Fly as California Hits One Million Solar Installations Read More »

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(More legible version of graphic below) Frequent commenter Craig McManus, a solar installer in the Southeastern U.S. near the point that Alabama, Georgia and Florida meet, writes in: The benefits of not penalizing solar energy:

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Here’s an article that claims, “En términos simples, así es como funciona: la esfera se llena de agua que magnifica los rayos del sol en más de 10.000 veces, por lo que es posible generar energía de la luna,” which …

Generating Electricity from Moonlight Read More »

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Question:  It took 40 years for the count of solar PV installations to reach one million.  How many additional years were required to hit two million? Answer: Can be found at Clean Energy Answers. Relevance:  The rapid migration to renewable …

Take a Cool Guess—The Fun Quiz on Renewable Energy and Environmental Sustainability. Today’s Topic: Solar PV Installations  Read More »

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It wasn’t that long ago that I made my presentations to my business clients with an overhead projector and transparencies. I was thrilled when Powerpoint came along, though I never aspired to become a “power user,” and asked my assistant …

Solar PV Installation Numbers Read More »

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From “The Independent”: India has cancelled plans to build nearly 14 gigawatts of coal-fired power stations – about the same as the total amount in the UK – with the price for solar electricity “free falling” to levels once considered …

India Says No To Coal, Yes To Solar Read More »

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Here’s an article written in Spanish on the “anti-solar panel.” It generates electricity in the dark. Sound like horse hockey? Well, it is. My Spanish isn’t perfect, putting it charitably, but it begins, “A new development that allows the collection …

Techno BS Isn’t Always Written in English Read More »

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Shortly after the formation of 2GreenEnergy in 2009, my brother asked me why big oil didn’t simply transition from fossil fuels to solar, wind, and the like.  I replied, “There are two answers, one speculative, one certain. 

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