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renewables and efficiency

Northwest Wind takes a Week-Long Vacation

December 5, 2014 by Rod Adams
2

Energy Reliability and Renewables

Some readers don’t like it when I use the term “unreliables” to describe weather dependent power sources like wind and solar energy. But the wind is not under the control of automated systems or human operators, so it can disappear when it is most needed or blast in when it is not wanted.[read more]

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Seeking Consensus on the Internalized Costs of Onshore Wind

October 21, 2014 by Schalk Cloete
19

Internalized Costs of Wind

This article will gather some data about TEC community views on the global average internalized cost of onshore wind energy. Please add your opinion so we can gather a statistically significant sample and get a meaningful indication of the consensus (or lack thereof).[read more]

The Importance of 'Right' Renewable Energy Support Policies at the 'Right' Stage

August 22, 2014 by Roman Kilisek
1

Energy Support and Timing

The US Solar Energy Industries Association (SEIA) has recently released a report – prepared by the Brattle Group – on how Germany’s policies to support solar PV have made the country a world leader in deploying solar PV over the last decade.[read more]

When the Wind Doesn't Blow

June 10, 2014 by Robert Rapier
14

Renewables and Intermittency

The average capacity factor - the percentage of time an electricity-producing asset is actually producing maximum power - is 40% for wind power in the US. The Hawi Renewable Development Wind Farm is better, at 45 percent, but for the 55% of the time it isn’t producing power, backup is required.[read more]

Living in a Renewables Distortion Field

March 22, 2014 by David Hone
14

Renewables and Reality

 

One of the best books I have read in recent years is the Steve Jobs biography by Walter Isaacson. In discussing Steve Jobs’ approach to life and business management, Isaacson goes to some length to describe the concept of a Reality Distortion Field.[read more]

Texas: The Most Remarkable Republican Energy State in the US

February 23, 2014 by Rebecca Lutzy
12

In terms of energy policy, Texas is unusual. While no Republican states have implemented any kind of climate change policy, Texas has some of the strongest energy efficiency and renewable energy policies in the country, including California.[read more]