Tag Archives: capacity factor

New NREL Data Suggests Wind Could Replace Coal as Nation’s Primary Generation Source

HE Featured on: Greentechmedia, REneweconomy, and The Energy Collective, CleanTechnica I have made some updates in response to feedback from commenters.  These can be identified by the red NOTE designator. By Clayton Handleman The National Renewable Energy Laboratory (NREL) recently … Continue reading

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Energy Bootcamp

  This post offers a good overview of the basics needed to understand energy.   Physics, energy introduction.

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Comparison of Coal Power to PV

I ran across a discussion about how many coal power plants are equivalent to 10GW of PV.  I ran the numbers and below have posted the results.  10GW of PV is equivalent to 5 coal power plants.  Many assume that … Continue reading

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Renewables Cost Less Than Utilities Have Reported

Midwest utility lowers surcharge for RPS compliance.  Translated that means that they had been claiming that adding renewables would be very costly.  Now that the accounting has been done, they have lowered, and in some cases eliminated, the renewables surcharge. … Continue reading

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Wind Resource Map (On and Off Shore)

This is a nice map of the wind resource for 80m = 260ft hub height wind turbines.  It covers the USA including coastal resources where off shore turbines may be considered.  For perspective, the new GE Turbine has a maximum … Continue reading

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New Developments Expand Wind Potential

Recent developments in wind technology coupled with desparately needed utility grid upgrades make wind viable for a vastly larger proportion of our electric power than is widely recognized.    Opponents will tell you that the intermittent performance of renewables is a … Continue reading

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World Wind and Solar Equivalent to 100 Nuclear Power Plants

As we begin 2013, global wind and solar energy production has surpassed an impressive milestone.  The energy producing capacity of all world solar and wind power now exceeds that of 100 nuclear power plants.  To put that in perspective, the … Continue reading

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Surprising Wind Energy Improvements Over Last 2 Years – Lower Cost and Increase Value

Here is an encouraging post that indicates that the Levelized Cost of Energy (LCOE) and the Capacity Factor have improved substantially for wind power in the last two years.  This has resulted from improved turbine design.  Capacity factors for land … Continue reading

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A Nice Comparison of Energy Sources

This offers a great way to compare various sources of electrical generation including LCOE http://en.openei.org/apps/TCDB/

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