Sign up | Login with →

Posts by Schalk Cloete Subscribe

Seeking Consensus on the Internalized Costs of Coal

What is meant by "internalized costs"?Internalized costs are the costs which can be accurately accounted for in our current systems. In energy production, these costs typically consist of capital costs, financing costs, operation and maintenance...

Posted April 15, 2014    

Seeking Consensus on the Internalized Costs of Oil

What is meant by "internalized costs"?Internalized costs are the costs which can be accurately accounted for in our current systems. In energy production, these costs typically consist of capital costs, financing costs, operation and maintenance...

Posted March 3, 2014    

Seeking Consensus: A New Project on the Energy Collective

The administrators of theenergycollective.com have been kind enough to allow me to launch a potentially very interesting project through a new column entitled "Seeking Consensus". In this column, the aim will be to objectively quantify the...

Posted February 25, 2014    

Why We Need CCS, Part 1: The Basics

HighlightsCCS is often neglected as a low-carbon energy option next to renewables and nuclear.Despite its lack of ideological attractiveness, CCS has competitive economics and very broad deployment possibilities.CCS is very well suited to the likely...

Posted February 18, 2014    

The Optimal Share of Intermittent Renewables

Highlights:Any modelling study of higher penetration wind and solar scenarios must take into account the cost of intermittency.This article describes one such study which estimates the optimal long-term share of onshore wind and solar PV in north-...

Posted January 30, 2014    

Dissecting Germany's EEG Surcharge

HighlightsThe EEG surcharge for 2014 will be €64.2/MWh (~$88/MWh) - an amount almost double the wholesale electricity price.The surcharge is influenced by numerous factors that can be interpreted differently depending on subjective viewpoints....

Posted January 15, 2014    

The Effect of Intermittent Renewables on Electricity Prices in Germany

HighlightsA strong negative correlation between the percentage of intermittent generation on the grid and the price received by solar and wind generators was established from German electricity data for the year 2013. This negative correlation...

Posted January 9, 2014    

Understanding the Continued Dominance of Fossil Fuels

We live in a time where rapid change is pretty much the only certainty, but one thing that continues to rather stubbornly maintain the status quo is our energy mix. As shown below, fossil fuels still completely dominate global energy...

Posted October 14, 2013    

A Common Fallacy in the Energy and Climate Debate

The vast majority of the energy and climate debate takes place in the developed world and, understandably, much of this debate is focussed on the developed world itself. However, as clearly shown in the two figures below, the developed world is...

Posted September 10, 2013    

On Energy Subsidies and Externalities

Energy subsidization is an area of intense debate simply because it artificially promotes some technologies over others. In practice, a high degree of subsidization implies that the energy sector (the very foundation of our modern civilization) is...

Posted August 28, 2013    

Intermittent Renewables and Electricity Markets

Renewable energy advocates regularly ignore the intermittency of solar and wind energy in their analyses. As discussed in a previous article, this is a very serious omission because the mechanisms required to compensate for intermittency can...

Posted August 13, 2013    

The Fundamental Limitations of Renewable Energy

Many people still think that it will not be long before renewable energy such as solar and wind becomes outright cheaper than fossil fuels, thereby leading to a rapid expansion of the thin orange slither in the graph below. This is an...

Posted August 6, 2013