Posts Tagged ‘Yerba Buena Gardens’

25 July

The Ever Expanding Gehrlicher Solar

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Dear Friends, Visitors/Viewers/Readers,

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With the ever-expanding solar industry, one finds more and more internationally operated photovoltaic company such as Gehrlicher Solar, a company from Germany, with subsidiaries and joint ventures on four continents (including France, India, Spain, South Africa, and Romania). Gehrlicher Solar, one of the most experienced photovoltaic companies in Europe,  is founded in 1994, that develops, plans, builds, finances, and operates solar power plants for ground mounting and for roofs, from private houses to multi-megawatt systems. Gehrlicher Solar also plans, sets up, and manages profit-oriented photovoltaic funds and private placements for private and institutional investors. As the solar industry evolves from solely-Save Our Planet Solution into multi-billion dollar with long-term profitability industry, services provided by Gehrlicher Solar becomes more and more relevant every day.

Gehrlicher Solar was acquired by the M + W Group last year and has leveraged the parent company’s financial strength and global reach and built on its already solid reputation as one of the foremost engineering, procurement, construction, operations, and maintenance (EPC O&M) firms in the commercial and utility scale solar market. In 2013, Gehrlicher/M+W more than doubled its annual project installation rate to 82 MW and continued  with a robust growth trajectory in the U.S. and Latin America. Gehrlicher/M+W is expanding its capabilities, leading in the integration of energy storage, hybrid power generation, and grid stabilization solutions. Below is an interview with the Sr. Director of Marketing David Hague of Gehrlicher Solar during InterSolar North America 2014, on July 9, 2014, overlooking Yerba Buena Gardens:


 

Director Hague discusses various emerging market opportunities within the solar industry: from  PV + storage technology, control technology stabilizing the grid, to the fact that solar is now cost competitive with the coal (cheapest fossil fuels technology), and the fact that solar is a much easier generating-asset to permit and build than any other generating asset. Solar is very reliable and secure asset.

For further inquiry regarding planning a photovoltaic system or searching for potential partnership with Gehrlicher Solar, please contact:

Gehrlicher Solar Services GmbH
Feldkirchener Str. 2
85540 Haar
Germany

T +49 89 420792-100
F +49 89 420792-110
contact@gehrlicher.com

~have a bright and sunny day~

related link/video: https://www.youtube.com/watch?v=T-cPiwG-Dfg

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

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23 July

Nuance Energy Group Realizing Potential For Sun Power at California Landfills/Brownfields !

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I wish I had asked a lot more questions during this particular interview with the president and founder of Nuance Energy Group, Brian C. Boguess. On July 9, 2014, above the Yerba Buena Gardens, during InterSolar North America 2014, Mr. Brian Boguess had much to share about various mechanisms in securing  rapid solar deployment in California and beyond.

Mr. Boguess started the talk by introducing SunPods Power Platform systems, (manufactured by Nuance Energy Group), which are ballasted ground-based solar racking systems for on grid and off grid solar applications. These units are made of a heavy gauge, cold rolled steel frame with a galvanized standard G-90 finish, with proprietary racking containing solar panels and inverters and power adjustable legs accommodating uneven terrain (engineered to 23 degree slope). Nuance Energy assembles these solar units off site, set units in specified site location and level each solar array, whereas certified partners finish installation of BOS (balance of system) component, wiring and connect to the grid. The wonderful thing about SunPods Power Platform units is that these units deploy and install in minutes and help to avoid prevailing wage cost (Davis Bacon Act) on municipal, government and military projects!  These self-ballasted engineering systems eliminate ground penetration and is the solar application recently proven and released (2013) by a 2-year California Energy Commission (CEC) PIER (Public Interest Energy Research) Program report on solar PV development for California closed landfills. These SunPods PowerPlatform units are modular in design, and connect to scale for large solar projects. Some of its key markets are: agriculture, remote mining operations, international export, emergency disaster preparedness, shared community solar farms and rural residential projects. Video below:


The exciting part of the conversation is in finding out from Mr. Boguess that there are 225 closed landfills in California occupying 35,000 acres of land (presently not economically viable for traditional development) with potential of becoming utility scale solar farms! Currently there are 74 landfill sites within CA producing electricity from the landfill generated methane gas in micro-turbines. There are also 1,262 contaminated sites occupying over 2 million acres in CA. Just think of all of these Solar Potential waiting to be tapped! We will be looking forward to seeing/hearing more Sun Power being tapped from these underutilized brownfields/landfills via SunPods Power Platform systems!

~have a bright and sunny day~

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

Any of your questions/comments/suggestions will be welcomed at sunisthefuture@gmail.com

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21 July

Perovskite Solar Cell Technology of Oxford PV, The Potential Game-Changer

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At InterSolar North America 2014 in San Francisco, CA, I came across a potentially game-changing technology that holds much promise for low cost solar power in the future.  This technology, the perovskite thin-film solar cells, is currently being developed by Oxford PV (a spin-out from the University of Oxford in 2009-2010 to commercialize this technology, which has exclusively licensed the intellectual property developed by Professor Henry Snaith and his team of 20 scientists). The perovskite thin-film solar cells can be directly printed/sprayed onto glass to produce a semi-transparent colored coating. Below is an interview with the Chief Technology Officer, Dr. Christopher Case, of Oxford PV:


The apparent enthusiasm of Dr. Case is seen in his discussion of the perovskite cell technology. One can understand the source of Dr. Case’s enthusiasm. According to Dr. Case, “the perovskite in solar application is the fastest increasing photovoltaic efficiency of any solar photovoltaic thin film material ever! In just a few years, it went from a lab efficiency of about 6% to well over 17%…the material is a very good solar absorber….bringing the material to 25% efficiency in a monolithic layer and 30%+ in a perovskite tandem layer….potentially the future replacement for silicon.” This perovskite solar cell technology is optimized to drive a paradigm shift in the aesthetics, performance, and cost of BIPV (Building Integrated Photovoltaic) systems, potentially bringing low cost electricity to the solar market much sooner than predicted. It is no wonder the highly respected international journal, Nature, has named Dr. Henry Snaith of University of Oxford as one of the ten people who have made the most difference in science during 2013 in recognition of his work on this next generation solar power technology. Let’s also take a look at the comparison between Convetional PV vs. Oxford PV, below (provided by www.oxfordpv.com):

 

Conventional PV                                                                         Oxford PV_________________

Opaque                                                                                      Range of transparency options

Blue or Black                                                                              Palette of colors and tints

Contains scarce elements and rare earths                                  Sustainable, abundant, organic ingredients

Complex, high temperature and high vacuum manufacturing    Simple screen printing manufacturing processes

High capital cost of manufacturing                                            Low capital cost of manufacturing

Heavy panels physically attached to building                          Aesthetically attractive glazing panels integrated into the building envelope

__________________________________________________________________________________

Without using the titanium dioxide as a semiconductor, this technology results in higher levels of efficiency, much lower processing temperature, and improved cell stability. Oxford PV plans on continuing to optimize this technology’s cell efficiency and accelerate the transfer of the technology into production. Furthermore, it aims to develop the range of substrates to which the cells can be applied.

Oxford PV has a strong supporting team (such as Kevin ArthurDr. David Fyfe, Paul Vickery, etc.) With its promising future, we, the solar enthusiasts and investors alike, should keep our eyes on Oxford PV in the coming years.

~have a bright and sunny day~

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

Any of your questions/comments/suggestions will be welcomed at sunisthefuture@gmail.com

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15 July

GTAT Bringing Merlin To Solar Industry

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Dear Friends, Visitors/Viewers/Readers,

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This is an interview with the team (Sr. Vice President/General Manager Dr. Venkatesan Murali, Sr. Director of Marketing Jeff Nestel-Patt, and Vice President of Sales Andrew Barta) from GT Advanced Technologies (GTAT) at San Francisco, CA, during InterSolar North America 2014, on July 9, 2014,overlooking the Yerba Buena Gardens on top of Moscone North. Video below:


As the global demand for solar energy continues to grow while the industry is facing downward pricing pressure, reduced subsidies, and solar trade tensions, it becomes increasingly important for PV manufacturers to achieve further cost reductions and improved cell efficiency. GTAT accomplishes this by introducing the innovative metallization & cell interconnect technology (Merlin Advanced Metallization Technology) that transforms the solar module into a less expensive, more efficient panel that is easier to install.

The Merlin Advanced Metallization Technology enables greater performance than the traditional modules by:

  1. Eliminating up to 80% of the expensive silver paste used in the traditional cells and modules, leading to cost reduction.
  2. The same screen printing equipment installed in cell line can be used to print the segmented fingers onto the cell
  3. Flexible grid that eliminates silver bus bars: a plated copper grid is attached to the segmented fingers on the top of the solar cell. The combination of segmented fingers and flexible grid makes it easier to move current off the cell. The flexible grid provides 20 paths/highways for the current to travel along rather than the three bus bars found on the traditional solar cells.
  4. Reducing shading by bus bars and increasing electrical connections on the surface of the cell  lead to increased cell efficiency and increased power output (by 3-5% compared to standard module).
  5. Improving the interconnection between cells by eliminating the need for stringing and tabbing of the old technology, providing highly flexible and durable way to connect cells while eliminating the bus bar tabs of traditional cells. Cells can therefore be connected closer together, allowing a smaller and more flexible module than the conventional module.
  6. The flexible tabs at the end of each grid solve the problem generally associated with breakage of modules during transport resulting from metal fatigue when ribbons break due to dynamic loading conditions during shipping.
  7. GTAT is almost 50% lighter than the conventional modules.
  8. Easier installation results in lower balance of system costs

(Please also refer to this video for visual demonstration: https://www.youtube.com/watch?v=hf2E_Uq3Lzw)

GTAT is already working with select customers to implement Merlin, involving custom-made copper meshes soldered on to PV cells instead of bus bars. GTAT will produce and sell customized copper meshes to customers, and expects to reach a production capacity of 100 MW annually by the end of 2014. In early 2015, it will begin to offer a wire attachment tool to customers, which will replace the tabbing stringer. Orders may be taken in last quarter of 2014, so in 2015, solar PV module makers will be able to work with this new technology to replace silver bus bars with a customizable copper mesh, reducing silver usage, increasing power output, and allowing lighter modules to be transported and installed.

GT Advanced Technologies Inc. is a global provider of polysilicon production technology and sapphire and silicon crystalline growth systems and materials for the global solar, LED, and other electronics industries and specialty markets. The company’s products and services accelerate the adoption of new advanced materials that improve performance and lower the cost of manufacturing. For additional information about GT Advanced Technologies, please visit www.gtat.com.

~have a bright and sunny day~

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

Any of your questions/comments/suggestions will be welcomed at sunisthefuture@gmail.com

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

www.sunisthefuture.net

www.sunisthefuture.com

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www.kiva.org/team/sunisthefuture

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