Tag Archives: Energy Sources

Guest Blog: How is Carbon Affecting Energy Intensity in the US?

Hello to everybody, we are the guest bloggers Amged Haimed, Junfeng Lu, and Haosheng Chen. We are all undergraduate students majoring in physics. Under the guidance of Micha Tomkiewicz, PhD, we have been able to use our backgrounds and experiences … Continue reading

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Predicting the Future and its Impacts

In the last blog (June 30th) I started to investigate the impact of the recent large drop in global oil prices on the global energy transition from fossil fuels to sustainable energy sources. The sharp decline in oil prices has … Continue reading

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Stuttering Energy Transitions: Germany – Storage

As I have mentioned before, electric utilities must necessarily store electricity in order to keep up with the fluctuations in consumer demands (July 29 – August 12 blogs). For example, all around the world (where people are connected to electrical … Continue reading

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Stuttering Energy Transitions: Germany – Producers

As I discussed in the in the last blog, the feed-in tariff that was introduced as a key element in the German energy transition has resulted in the Germans paying among the highest electricity rates in the world. It was … Continue reading

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Stuttering Energy Transitions: Germany – Consumers

The German Renewable Energy Act (German: Erneuerbare-Energien-Gesetz, EEG) was designed to encourage cost reductions based on improved energy efficiency from economies of scale over time. The Act came into force in the year 2000 and was the initial spark behind … Continue reading

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Yes We Can 3: The Alcohol Debate

This will be the last in the series of blogs on EROI that started with John Morgan’s guest blog (November 4). The set of data in all three blogs was based on a paper by Weißbach et al. that suggested … Continue reading

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Guest Blog: John Morgan: The Catch-22 of Energy Storage and EROI

As I mentioned in my blog on October 21st, I have invited John Morgan to post a guest blog about EROI. This week, he has generously agreed to re-post the article that I mentioned, with an added postscript addressing questions … Continue reading

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Back to the Sustainable Energy Transition: The Physics of Sustainability and Some Tweets About it.

In the last blog I strongly advocated simplifying the conversation about climate change, focusing on how we can get from the present “business as usual” scenario to an “environmentally friendly” scenario that will not result in an environment inhospitable to … Continue reading

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Sustainable China?

In the last blog I started to discuss the role that energy storage plays in the transition to more sustainable energy sources. While I had originally planned to focus this blog on the various energy storage technologies, I will instead … Continue reading

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The Missing Link – Energy Storage

In my last blog (July 8, 2014), I tried to summarize my goals for this blog, and take account of my progress to date. I ended with a short paragraph that described my efforts to educate my readers on the … Continue reading

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