Tag Archives: PV

Load Shifting With Electric Vehicles is a Great Match to Wind in Many Areas

Much of the best wind resource in the country peaks at night time.  To date this has proven challenging for the Texas electricity grid management.  It has been resolved somewhat due to transmission grid upgrades but still promises to limit … Continue reading

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20% Efficiency Becoming the New Normal for PV

Not so long ago, SunPower’s high efficiency PV modules were an industry novelty and considered a specialty premium item.  With greater than 20% efficiency they allowed relatively large capacity in a compact footprint.  However as the price of PV modules … Continue reading

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Renewable Energy Databook from NREL

Better late than never, NREL put out a renewable energy databook that covers RE through the end of 2013.  It is full of charts and graphs that do a nice job of illustrating RE progress in the US and the … Continue reading

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Popular and ‘Best-Of’ Posts

  WIND: WIND INTERMITTENCY IS EXAGGERATED – NREL study shows US wind potential is larger and more stable than previously thought with capacity factors of 65% available, see details HERE.  Better even than Handleman Post predictions, that capacity factors of … Continue reading

Posted in EV PEV, New Energy Paradigm, Path to a New Paradigm, T&D The New Grid, US Energy Competitiveness | Tagged , , , , , , , , , , , | Leave a comment

About Storage and the Cost of Peaking Power

Here is an article that suggests that 20% of the cost of electricity comes from operating peakers 100 hours per year i.e. about 1% of the time.  In other words, peakers are at about 6X the price of regular power.  … Continue reading

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World PV Capacity Equivalent to 30 Nuclear Power Plants

Growth of solar energy continues to ramp rapidly.  With 2013 figures released we see solar at 137GW which is equivalent to about 30 nuclear power plants.

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What Percentage of the Worlds Land Area Would Be Required to Run Everything With Solar?

0.3% of the earths surface is what is required to harvest the energy needed for all of humanity’s electrical and auto transportation needs.  That is for 10 billion living with the same energy intensity as in the US.  In the … Continue reading

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Renewables In Perspective

This Sandia paper offers insights as to the potential for various renewable energy sources.  This is one of the sources that Elon Musk is using to guide his vision. Richard Perez offers similar information graphically, see below.

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Tesla to Give Away Intellectual Property and Bring Solar to Cost Parity

What an amazing guy this Elon Musk is. http://www.teslamotors.com/blog/all-our-patent-are-belong-you http://blog.solarcity.com/silevo/ About Silevo  

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Utility Scale Solar Cost Halves in 4 Years

Great progress is being made in lowering the cost of PV.  This report on utility scale PV generation shows recent progress. UPDATE:  Dubai paves the way and gets there several years early. Other renewable energy and related cost reduction trends … Continue reading

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