Author: Craig Shields

It’s fast becoming apparent that large clean energy storage is needed for variable renewable energy integration into the grid, not only to stabilize that resource but to avoid inevitable curtailment due to transmission constraints. The resulting VERS (variable energy resources) …

Energy Storage Regulation Needed – Guest Blogger Garth Read More »

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In your act of reading this, I can make certain assumptions. You have an interest in what might be broadly characterized as ‘not business as usual’. While possible, it is unlikely that your eyeballs got here through a Bing or …

Clarifying One’s Thinking – by Guest Blogger Akallen Read More »

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I made another video using Windows Movie Maker just now, to promote our relationship with SustainableBusiness.com.   I take a certain joy in making this videos. I know I’m not Steven Spielberg in film-making, nor James Earl Jones in voice-overs — …

Sustainable Business and 2GreenEnergy Read More »

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Continuing my discussion of solar energy from yesterday …. The intermittent nature of solar energy also raises questions on its feasibility in certain geographies. The Mojave Desert may get a lot of sun, but the same is not true for …

Is Solar Energy Over-Hyped? – Continued – By Guest-blogger Anil Read More »

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With the increasing usage of renewable sources for energy generation, solar energy is touted as one of the most readily available renewable sources of energy. It will not be incorrect to say that green energy is in vogue these days …

Is Solar Energy Over-Hyped? – By Guest-blogger Anil Read More »

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More on my coversation with John Hugo on solar thermal, who writes: Craig: I agree, could not have said it better re: nukes. Re: the capital intensity of solar thermal, I don’t have a cost estimate on the power block …

Solar Thermal – Ausra Sold! – More Discussion Read More »

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I’m sure many readers are aware of the incredible development in solar thermal / CSP (concentrated solar power). French energy giant Areva, which has a large nuclear portfolio, bought Ausra, and says it will use the acquisition to become “the …

Solar Thermal Leader Ausra — Sold! Read More »

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As promised, here is a description of various technologies and will they be able to support the objective. Compressed Air Compressed air is an old technology which consumes off peak energy from a power plant or renewable energy to run …

Energy Storage for Power Grids – by Guest Blogger Anil – Continued Read More »

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The Obama administration declared year 2009 as the one dedicated to ‘Smart Grids.’ There has been lot of hue and cry turning the electrical grids into a modern network that runs with the help of microprocessors and software to work …

Energy Storage for Power Grids – by Guest Blogger Anil Read More »

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We’ve all had that feeling of exultation as we realize we’re in the home stretch of something that’s been a true odyssey in our lives — perhaps the end of final exams or the last few points of a marathon …

Near the End of My Book on Renewables Read More »

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