Tag Archives: solar PV

EROEI Calculations for Solar PV Are Misleading

The Energy Returned on Energy Invested (EROEI) concept is very frequently used in energy studies. In fact, many readers seem to think, “Of course, EROEI is what we should be looking at when comparing different types of energy. What else … Continue reading

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Intermittent Renewables Can’t Favorably Transform Grid Electricity

Many people are hoping for wind and solar PV to transform grid electricity in a favorable way. Is this really possible? Is it really feasible for intermittent renewables to generate a large share of grid electricity? The answer increasingly looks … Continue reading

Posted in Energy policy, Financial Implications | Tagged , , , , , , | 1,882 Comments

Eight Pitfalls in Evaluating Green Energy Solutions

Does the recent climate accord between US and China mean that many countries will now forge ahead with renewables and other green solutions? I think that there are more pitfalls than many realize. Pitfall 1. Green solutions tend to push … Continue reading

Posted in Alternatives to Oil, Energy policy, Financial Implications | Tagged , , , , , , | 1,278 Comments

Update on US natural gas, coal, nuclear, and renewables

On August 6, I wrote a post called Making Sense of the US Oil Story, in which I looked at US oil. In this post, I would like to look at other sources of US energy. Of course, the energy … Continue reading

Posted in Alternatives to Oil | Tagged , , , , , , , | 984 Comments

Our Energy Predicament in Charts

A friend asked me to put together a presentation on our energy predicament. I am not certain all of the charts in this post will go into it, but I thought others might be interested in a not-so-difficult version of … Continue reading

Posted in Alternatives to Oil, Financial Implications | Tagged , , , , , , , | 183 Comments