Item of General Interest
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Category Archives: Energy policy
Do the World’s Energy Policies Make Sense?
The world today has a myriad of energy policies. One of them seems to be to encourage renewables, especially wind and solar. Another seems to be to encourage electric cars. A third seems to be to try to move away … Continue reading
Posted in Energy policy, Financial Implications
Tagged carbon dioxide emissions, CO2 emissions
1,380 Comments
How Renewable Energy Models Can Produce Misleading Indications
The energy needs of the world’s economy seem to be easy to model. Energy consumption is measured in a variety of different ways including kilowatt hours, barrels of oil equivalent, British thermal units, kilocalories and joules. Two types of energy … Continue reading
Rethinking Renewable Mandates
Powering the world’s economy with wind, water and solar, and perhaps a little wood sounds like a good idea until a person looks at the details. The economy can use small amounts of wind, water and solar, but adding these types … Continue reading
Posted in Energy policy
Tagged EROEI, EROI, fossil fuels, renewable energy, renewable subsidies
1,461 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
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 electric grid, EROEI, green energy, oil prices, renewables, solar PV, wind energy
1,278 Comments
