Tag Archives: solar PV

Researchers have been underestimating the cost of wind and solar

How should electricity from wind turbines and solar panels be evaluated? Should it be evaluated as if these devices are stand-alone devices? Or do these devices provide electricity that is of such low quality, because of its intermittency and other … Continue reading

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The “Wind and Solar Will Save Us” Delusion

The “Wind and Solar Will Save Us” story is based on a long list of misunderstandings and apples to oranges comparisons. Somehow, people seem to believe that our economy of 7.5 billion people can get along with a very short … Continue reading

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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

Posted in Financial Implications | Tagged , , , , | 1,372 Comments

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