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Posts Tagged ‘DC’

19 October

Closer Look of World’s Largest Solar PV Project, Agua Caliente Solar Project, & Call For Consistent Standard !


Dear Friends & Visitors/Viewers/Readers,

(Please click on red link below)

As I’ve promised you, let’s take a look at the largest solar PV project, Agua Caliente Solar Project, currently under construction in Yuma County, AZ, having achieved a peak generating capacity of 250 MW connected to the electrical grid and will have a generating capacity of 397 MW (DC) or the equivalent of 310-320- MW (AC) when completed.

Recalling from our previous post of October 17, 2012, there was an issue/discrepancy between the maximum generating capacity listed in wikipedia (397 MW in wikipedia vs. many other sources’ 290 MW).  After further digging/investigation, I’ve discovered two things:

1.  In PV Tech Oct. 14, 2011 issue,  please note the quote below:

The original nameplate for the entire plant was 290MW (AC), but Christian said that a 12th block is in the engineering stage and should start early construction soon.

The additional set of arrays would add another 20–30MW (AC), bringing the total to 310–320MW (AC), or about 397MW (DC) after conversion – an amount estimated

to require in the neighborhood of 5.2 million PV panels.

2. Upon careful overview of multiple journals/articles,  I’ve come to realize that the industry as a whole needs a much more consistent standard (AC or DC) for basis of comparison.  Case in point, above, different power plants may provide information/data in AC or DC (AC and DC data may differ approximately 15%), presenting much confusion for the consumers and readers alike.  At this point, I’d like to share an article that would help to shed more light on this subject: AC-DC conundrum: Latest PV power-plant  ratings follies put focus on reporting inconsistency (update).   Please do not get too alarmed by this, for this, to me, is part of the growing pain;a sign that the solar industry is still young enough that it needs to work out some of its kinks;a sign  indicating that solar industry still has much room to grow.  It simply needs a unified voice.  So perhaps in future Solar Power (Generation, International, etc.) conventions/conferences, there should be one more topic added to the list of discussions: AC or DC, That Is The Question ?!

Below, is a clip on Agua Caliente Solar Project by First Solar:

Related articles:

  1. Agua Caliente Solar, LLC (Loans, Award Summary)  at www.recovery.gov
  2. Agua Caliente Solar Project, Case Study at www.CleanEnergyActionProject
  3. Uncompleted Agua Caliente solar farm already winning awards
  4. Agua Caliente Solar Project at wikipedia
  5. List of photovoltaic power stations

~have a bright and sunny day~

gathered, written, and posted by sunisthefuture-Susan Sun Nunamaker

Any of your commentes/suggestions/questions are welcomed at sunisthefuture@gmail.com

There is always more on solar energy at http://www.sunisthefuture.net
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5 July

Incentive For Solar (15)-Feed-In-Tariff-US


Happy July 4th!! (Creative Commons, shot from Anderson and Villanova, 07/04/2010)

Firstly, Happy July 4th!!!

If you are in favor of renewable/CLEAN energy, please sign the petition page showing support for FIT/CLEAN Program at http://sunisthefuture.net/?page_id=1065 Thank you.

A thousand apologies for this delayed post. As a result of some family matters, my time had been very restricted this past month. But the upside of this is the fact that I had the opportunity to be exposed to people from various states and a chance to spread more of words on solar/renewable  energy and the idea of Feed-In-Tariff.  I also came across an article, Are Feed-In Tariffs Part of Colorado’s Solar Future?, by James Cartledge in ColoradoEnergyNews, indicated that solar industry groups from 13 states, including Arizona, California, Colorado, Florida, Hawaii, Maryland-DC, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Texas and Virginia, have said it is high time for the entire country to make use of feed-in-tariffs to encourage homes and businesses to generate their own solar power.

In recent years, I’ve often heard some young people responding to any discussion of our national energy or national debt issues with a “I don’t care and why should we the youth care?” attitude.  So, it is my pleasure to have come across and be able to share this next youtube clip, developed by a young lady from my home state of sunny Florida,  Yelena of University of Florida, who understood that our  youth now will be the ones who will be most affected by the energy policy implemented today.  The real cost of  energy include energy security, environmental pollution, and the impact of climate change.  Our youth of today will be paying for these cost of energy tomorrow.  The sooner more of our youths will come to appreciate Feed-In-Tariff(s) (aka Renewable Energy Dividend Policy), the better chance these youths will not have to pay as high of a price in the future.  Yelena managed to have interviewed Ed Regan, the Assistant General Manager of Gainesville Regional Utility, who was responsible for the implementation of Feed-In-Tariff  in Gainesville, FL and from Andrew Walmsley, Assistant Director of Agriculture Policy of Florida Farm Bureau. You will be able to see/hear Mr. Regan explaining how/why Feed-In-Tariff approach would be superior to the stand-alone Renewable Portfolio Standard and countries with Feed-In-Tariffs end up with more renewable energy at lower cost (reported by National Renewable Energy Lab).  We will also hear from Tim Morgan, the President and CEO of TM Industries,  Jennifer Morgan, owner of MGI Solar Electric Power,  and Don Davis, President of Capital City Bank, explain how  local communities would benefit tremendously and quickly from implementing Feed-In-Tariff. 

Put it simply, Feed-In-Tariff is an incentive policy that requires the power company to buy renewable energy from any one who produces it. No matter how small the producer is, the power company has to buy the renewable energy from the producer. Different tariff rates are set for different renewable energy technologies, linked to the cost of resource development in each case.  Typically, FITs include three key provisions:

  • guaranteed grid access
  • long-term contracts (often 15-25 years) for the electricity produced
  • purchase prices that are based on the cost of renewable energy generation and tend towards grid parity

The cost based prices therefore enable a diversity of projects (wind, solar, etc.) to be developed while investors can obtain a reasonable return on renewable energy investments.

Finally, we have affirmation from FARE (Florida Alliance For Renewable Energy), stating that Feed-In-Tariff, had proven to be the most effective incentive program for rate payer (meaning least costly) for rapid wide spread  deployment of renewable energy toward the path for Energy Independence, Job Creations, and Economic Stimulation.  I believe it is very apropos to give a big SHOUT-OUT for Feed-In-Tariff in our celebration of July 4th, to remind not only those 13 states, but throughout USA that we are ready to walk down the path for ENERGY INDEPENDENCE, JOB CREATIONS, and ECONOMIC STIMULATION…we want Feed-In-Tariff !

Posted by sunisthefuture-Susan Sun Nunamaker, sunisthefuture@gmail.com   http://sunisthefuture.net   http://sunisthefuture.com  http://sunisthefuture.org 
Any comments and suggestions are welcomed at sunisthefuture@gmail.com

Please also get into the habit of checking at these sites below for more on solar energy topics:






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