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Author Topic: Photvoltaics (PV)  (Read 5268 times)

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AGelbert

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Re: Photvoltaics (PV)
« Reply #195 on: December 25, 2016, 10:18:17 pm »

2 remarkable facts that illustrate solar power’s declining cost

It’s not “the cheapest electricity in the world,” but it’s getting really cheap .

Updated by David Roberts@drvoxdavid@vox.com   Dec 22, 2016, 8:40am EST

Article with eye opening charts!


http://www.vox.com/science-and-health/2016/12/22/14022114/solar-year-two-remarkable-facts
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Re: Photvoltaics (PV)
« Reply #196 on: December 27, 2016, 02:47:06 pm »
Panasonic to invest over US$256 million in Tesla's US plant for solar cells

Posted 28 Dec 2016 03:20

TOKYO: Panasonic Corp will invest more than 30 billion yen (US$256 million) in a New York production facility of Elon Musk's Tesla Motors to make photovoltaic (PV) cells and modules, deepening a partnership of the two companies.

Tesla's shares were up 3.5 percent at US$220.75 in early trading on Tuesday.

Japan's Panasonic, which has been retreating from low-margin consumer electronics to focus more on automotive components and other businesses targeting corporate clients, will make the investment in Tesla's factory in Buffalo, New York.

The U.S. electric car maker is making a long-term purchase commitment from Panasonic as part of the deal, besides providing factory buildings and infrastructure.

In a statement on Tuesday, the two companies said they plan to start production of PV modules in the summer of 2017 and increase to one gigawatt of module production by 2019.

The plan is part of the solar partnership that the two companies first announced in October, but which did not disclose investment details.

Tesla is working exclusively with longtime partner Panasonic to supply batteries for its upcoming Model 3, the company's first mass-market car. Panasonic is also the exclusive supplier of batteries to Tesla's Model S and Model X.

(Reporting by Taiga Uranaka and Makiko Yamazaki; Editing by Muralikumar Anantharaman)

- Reuters

http://www.channelnewsasia.com/news/business/panasonic-to-invest-over-us-256-million-in-tesla-s-us-plant-for/3397596.html
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Re: Photvoltaics (PV)
« Reply #197 on: December 28, 2016, 01:07:51 pm »
It's Official: Solar Energy Cheaper Than Fossil Fuels   

 Lorraine Chow

SNIPPET:

Renewable energy has reached an important milestone. The World Economic Forum (WEF) has determined that in many parts of the world, solar energy is now the same price or even cheaper than fossil fuels for the first time.

In a handbook released this month, the WEF observed how the price of renewable technologies, particularly solar, has declined to unprecedented lows.

Full article with EYE OPENING chart:  :o  ;D
http://www.ecowatch.com/solar-cheaper-than-fossil-fuels-2167117599.html
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Re: Photvoltaics (PV)
« Reply #198 on: January 12, 2017, 08:37:27 pm »
Agelbert NOTE: Newly elected Governor Scott is a one of the rare Republicans with common sense.  8)

     

Scott hails solar firm as part of job-creating energy effort

Jan. 9, 2017, 5:09 pm by Mike Polhamus

SunCommon touts its Solar Canopy product Monday at the Hunger Mountain cooperative store in Montpelier. Photo by Mike Polhamus/VTDigger (at article link)

Gov. Phil Scott plans to move forward with the state’s goal of getting 90 percent of its energy from renewable sources by the year 2050.

The push to move away from fossil fuels will create jobs and invigorate the economy, Scott said Monday to a crowd of around 50 people at the Hunger Mountain cooperative store in Montpelier.

“We want to attract young professionals, like yourselves, and working families to Vermont,” Scott said. “Companies like SunCommon that are creating jobs and innovating here in Vermont are exactly what we need.” That echoed a theme from his campaign.

Waterbury-based solar firm SunCommon hosted the event to show off what the company calls a Solar Canopy, which consists of a timber-frame structure topped with enough solar panels to power a home.

SunCommon unveiled two solar canopies in the parking lot at Hunger Mountain. The structures currently send power to the store but will soon power charging stations for electric vehicles, company representatives said Monday.

The solar canopies serve a growing demand from Vermonters who want to purchase solar panels for their homes, but whose roofs can’t bear the weight of the panels, said SunCommon co-founder James Moore.

“Vermonters ship hundreds of millions of dollars every year outside the local economy, for dirty energy they don’t want to support,” Moore said.

Vermonters and other Americans will continue to demand renewable energy even if financial support from the federal government dries up, Moore said.

“This is happening because people want it to happen,” he said. “It’s not happening because of the government. People want to really lessen (their reliance on) fossil fuels that are hurting the economy and our environment.”

SunCommon offers solar canopies to customers at no upfront cost, using financing obtained through Vermont credit unions, said company spokeswoman Emily McManamy. The structures carry a value of around $30,000 apiece, McManamy said.

She said their timber frame construction was intended to hew to Vermont’s aesthetic sensibilities. The canopy is meant to offer protection from the elements when installed over driveways, patios, firewood stacks or even chicken coops, she said.

The state has committed to reducing carbon dioxide pollution emitted within its borders in coming decades.

Vermont established a goal last year of meeting 90 percent of its power needs from renewable sources by 2050 — a significant expansion over the statutory mandate that the state obtain at least 25 percent of its power from renewable sources by 2025.

Scott on Monday reiterated his commitment to that goal, established in the state’s 2016 comprehensive energy plan under his predecessor, Gov. Peter Shumlin.

https://vtdigger.org/2017/01/09/scott-hails-solar-firm-as-part-of-job-creating-energy-effort/
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Re: Photvoltaics (PV)
« Reply #199 on: January 18, 2017, 02:24:00 pm »
Solar Employs More Workers Than Coal, Oil and Natural Gas Combined

 Lorraine Chow  13 Jan 2017

SNIPPET:

Quote
In a sign of promise for the booming industry, solar employers reported that they expect to increase employment by 7 percent this year.

Solar is becoming the cheapest form of electricity production in the world, according to statistics from Bloomberg New Energy Finance. Last year was the first time that the renewable energy technology out-performed fossil fuels on a large scale. 

http://www.ecowatch.com/solar-job-growth-2197574131.html
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Re: Photvoltaics (PV)
« Reply #200 on: January 20, 2017, 05:30:42 pm »
Grid Optimization

First Solar Proves That PV Plants Can Rival Frequency Response Services From Natural Gas Peakers

In California, an important test for solar farms as grid-balancing agents
by Jeff St. John 
 January 19, 2017

Last summer, First Solar and California grid operator CAISO ran a set of tests to show that utility-scale solar PV, instead of being a disruptive influence on the power grid, could actually help stabilize it.

Over a series of days in August, First Solar slightly curtailed power output at a 300-megawatt solar farm in California, enabled its array of inverters, and plugged into CAISO’s system. It then orchestrated the plant’s output to follow CAISO’s automatic generation control (AGC) signals, respond to its frequency regulation commands, and use inverters for voltage regulation, power factor regulation and reactive power control.

The results, according to a report released last week, showed that First Solar was able to meet, and sometimes exceed, the frequency regulation response usually provided by natural-gas-fired peaker plants. First Solar was also able to provide inverter-based services throughout the day -- and possibly even at night.

It turned in a respectable performance matching CAISO’s wholesale market price signals -- even when clouds appeared on the afternoon of the second day of testing, reducing First Solar’s capacity to shift its load.

All told, the data from CAISO, First Solar and the Department of Energy’s National Renewable Energy Laboratory (NREL) indicates that a utility-scale solar farm, equipped with standard inverters and software controls, can serve to smooth out grid fluctuations from the solar itself or from other sources.

And for California, a state with 9,000 megawatts of transmission-connected solar and plans for 20,000 megawatts more by 2030, that could be a valuable resource. “If PV-generated power can offer a supportive product that benefits the power system and is economic for PV power plant owners and customers, this functionality should be recognized and encouraged,” the report noted.

Utility-scale solar PV is already causing California some grid challenges, in the form of the duck curve -- a deep midday drop in net load driven by lots of solar flooding onto the grid, and a steep ramp-up starting in the late afternoon that extends into evening as solar fades away.

CAISO is also experiencing “periods of oversupply conditions, especially pronounced during weekends when electricity demand is low and renewable production is high.” Currently, when faced with potentially destabilizing conditions like this, CAISO has no choice but to curtail renewable power.

“Significant levels of renewables curtailment took place during certain days of the spring of 2016,” the report noted, including one day in late April when more than 2,000 megawatts of renewable generation had to be taken offline.

https://www.greentechmedia.com/articles/read/PV-Plants-Can-Rival-Frequency-Response-Services-From-Natural-Gas-Peakers
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AGelbert

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Re: Photvoltaics (PV)
« Reply #201 on: January 30, 2017, 08:15:03 pm »
I have not built my system. I have all the components other than some posts for the ground mounts and a structure to house the batteries to keep them cool.

I had my first system, a small 360W "portable" system up and running for a couple of years, but it just recently died. I need to do a post mortem.

Because I don't live on my rural property full time, I have held off because I worry about possible vandalism. I have spent the last several months working on fencing, to improve security. I have access to cheap grid power, and my well presents another set of problems for solar, as it's a conventional deep well with a submersible pump at 330 ft. Not sure the new system I designed would be adequate to run the pump, without adding a timer and a cistern, or converting to a pump jack system, which would be a better option. I have a pump jack, but it takes a well pro with the right equipment to pull the old pump, change to a windmill foot valve and install the rods, etc.

When it does get built, I expect I'll try to get one big robust inverter (of better quality), better than the AIMS, and keep them for spares. 

Security is a very costly stumbling block to PV system durability. The only thing fossil fuel powered machines ever had going for them is that, unlike Renewable Energy infrastructure such as wind or solar, they are easy to secure. But passive geothermal is just as easy to secure. Even the Bush Ranch had (has?) passive AND active geothermal. With that as a base, you could easily round out renewable energy sources for your spread with monitors and alarm systems for wind and PV for a 24/7 sustainable operation.

I hope you are someday successful in running that place exclusively on Renewable Energy. Expecting the polluting energy sources we have all grown up around to continue to be available is a pipe dream shared by too many. The REAL real world will eventually prevail, regardless of the magical and clueless thinking of so many.

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AGelbert

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Re: Photvoltaics (PV)
« Reply #202 on: February 09, 2017, 02:26:14 pm »
Agelbert Note: Excellent Comments from intelligent Vermonters:

Quote


Tom Hengelsberg  • 4 hours ago 

As an architect who has also done many assessments of low-slope roofs, some with solar panels already installed in exactly the manner depicted in the article's accompanying photograph, I would respectfully disagree with Mr. Snell. I have not seen any issues or reduction in the lifespan of the roofing membrane that would have been caused by the placement of the solar panels. If anything, the panels shade and protect the membrane, possibly prolonging its lifespan. Understand that the panels are installed on a rack system that sits on protective "feet" on top of the membrane, and the whole assembly is weighted down with concrete ballast blocks that also sit on protective slipsheets. The rack system does not penetrate the roof. When the lifespan of the roof is up, the racking can be removed, the roof replaced, and the panels reinstalled (or more likely replaced with a more efficient panel - they keep getting better and better.) The good news is, the lifespan of a membrane roof and a set of panels are about the same: 20-25 years. So if they are installed at the same time, they can be replaced at the same time.

I wholeheartedly support this initiative! Many in the architecture profession have been advocating for years to add solar PV to the underused resource of low-slope rooftops.
 
R.J. Adler  • 5 hours ago 

Requiring solar on big rooftops is a great idea. Big store owners can pay as much as $50,000 or more per year in electricity costs. If they have the space, solar developers can help retailers drive those costs into a system they own, and once the system is paid off that means erasing a $50,000/yr line item from your budget! Think of it as the difference of renting a house vs. buying a house and paying a mortgage. Lower operating costs would make business much easier in the state of Vermont.

Even if those retailers can't foot the bill- solar developers are willing to rent out that roof space (creating another revenue stream), and offer discounted power to other folks in town. That means more power created in Vermont, which is more efficient overall. That also means more job opportunities created in Vermont in a growing field that employs young people like me.
 

Stephen M. Frey > R.J. Adler  • 3 hours ago 

RJ I think it's a win win for building owners, operators, the public and the clean energy industry. How much Megawattage in statewide flat roof, low-slop roof generation capacity are we talking about? Any sense of this from Sun Common's perspective?
 


Senator raises idea of requiring rooftop solar for big buildings

Feb. 8, 2017, 8:47 pm by Mike Polhamus

https://vtdigger.org/2017/02/08/senator-raises-idea-requiring-rooftop-solar-big-buildings/
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Re: Photvoltaics (PV)
« Reply #203 on: February 11, 2017, 09:48:06 pm »
Jimmy Carter Continues His Green Energy Legacy With 10-Acre Solar Farm

  Julia Travers

SNIPPET:

Former President Jimmy Carter leased 10 acres of his land to Atlanta-based SolAmerica to develop a 1.3-megawatt solar farm in his hometown of Plains, Georgia. An opening ceremony was held Feb. 8 to launch the project, which is projected to produce more than 55 million kilowatt-hours of energy in the next 25 years. The project will provide more than half of the power needs for the 683 residents.

Great Pictures!  ;D

http://www.ecowatch.com/jimmy-carter-solar-farm-2253275469.html
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Re: Photvoltaics (PV)
« Reply #204 on: February 16, 2017, 05:28:08 pm »
U.S. Solar Surged 95% to Become Largest Source of New Energy   

by
Chris Martin

‎February‎ ‎15‎, ‎2017‎ ‎12‎:‎01‎ ‎AM 

Solar installations surpassed gas and wind for first time
Record 14.6 gigawatts of solar panels added in 2016, SEIA says

SNIPPET:

Solar developers installed a record 14.6 gigawatts in the U.S. last year, almost double the total from 2015 and enough to make photovoltaic panels the largest source of new electric capacity for the first time.

Solar panels on rooftops and fields accounted for 39 percent of new generation last year, according to a report Wednesday from GTM Research and the Solar Energy Industries Association. That beat the 29 percent contribution from natural gas and 26 percent from wind.

The surge is further evidence that solar power has become an important part of the U.S. energy mix, even as President Donald Trump pushes for wider use of fossil fuels. The solar industry employs 260,000 people and accounted for 2 percent of all new U.S. jobs last year, and Republican and Democratic governors from 20 states sent the White House a letter Monday saying that clean energy is an important economic driver.

Full article with fact filled charts:



https://www.bloomberg.com/news/articles/2017-02-15/u-s-solar-surged-95-to-become-largest-source-of-new-energy




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Re: Photvoltaics (PV)
« Reply #205 on: February 19, 2017, 09:58:00 pm »
Solar Now Produces a Better Energy Return on Investment Than Oil


The future is not good for oil, no matter which way you look at it. Motherboard
SNIPPET:

Solar — it’s not just a clean power source producing zero emissions and almost no local water impact, it’s also now one of the best choices on the basis of how much energy you get back for your investment. And with climate change impacts rising, solar’s further potential to take some of the edge off the harm that’s coming down the pipe makes speeding its adoption a clear no-brainer.

In 2016, according to a trends analysis based on this report by the Royal Society of London, the energy return on energy investment (EROEI) for oil appears to have fallen below a ratio of 15 to 1 globally. In places like the United States, where extraction efforts increasingly rely on unconventional techniques like fracking, that EROEI has fallen to 10 or 11 to 1 or lower.

Meanwhile, according to a new study by the Imperial College of London, solar energy’s return on investment ratio as of 2015 was 14 to 1 and rising.      What this means is that a global energy return on investment inflection point between oil and solar was likely reached at some time during the present year.

Great charts and info! 


https://robertscribbler.com/2016/12/19/solar-now-produces-a-better-energy-return-on-investment-than-oil/
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Re: Photvoltaics (PV)
« Reply #206 on: March 02, 2017, 02:38:04 pm »
Startup makes solar panels that can blend with any environment. It can match a rooftop, show an ad, anything basically :o   ;D

Tibi Puiu February 27, 2017

Credit: Sistine Solar

Less than 1 percent of American homes employ solar to power their homes. Some can’t afford the upfront costs while others don’t make this step because they aren’t convinced it’s going to work for them. But there are also a lot of people who can afford to and would like to install PV panels on their rooftops but choose not out of aesthetic considerations or out of concern their homes’ market value will suffer. A startup fresh out of MIT’s engineering and MBA classrooms hopes to render this argument moot.

The startup in question, called Sistine Solar, is offering solar panels that instead of the familiar blue luster can display virtually any image the client desires. For instance, a homeowner might want to cover all of his rooftop with PV panels and have them match the tiles. Business owners can cover kiosks or offices with panels that display ads or their logos. Strikingly, there are minimal efficiency losses involved.


Credit: Sistine Solar

This design of SolarSkin is not all that different from public transit see-through ads which cover a bus in billboards but inside passengers can see through them. These work by reflecting some of the light in a distinct pattern so people outside the bus can see the ad while allowing enough light through so passengers can see out. In the case of the Sistine panels, however, this effect is stretched to the max so only a minute quantity of light is let to reflect leaving the bulk of photons to hit the module, preserving efficiency. As for the cost, buyers can expect a 10 percent increase over panels of the same rated power capacity.


Credit: Sistine Solar

Sistine Solar is, of course, not the only company catering to solar aesthetics. Last year, Tesla announced with much fanfare a new line of ‘solar tiles’. It reportedly costs less than a new rooftop to install — we’ll just have to see about that now that Tesla announced it will start selling them by the end of the year.

Sistine’s offering, however, is different. While Tesla’s rooftop panels are actually tiles, Sistine is making panels that look like tiles. Any pattern or image can be displayed by the layer that covers the solar panel, no matter how intricate.

“We’ve come up with a process where we color-correct the minimal information we have of the image on the panels to make that image appear, to the human eye, to be similar to the surrounding backdrop of roof shingles,” says Anthony Occidentale, an MIT mechanical engineering student.

SolarSkin was first installed on a house in Norwell, Massachusetts where the 10-kilowatt system mimicked a cedar pattern. Sistine Solar now has 200 orders, mainly in California and Massachusetts. Custom designs aren’t all that popular instead most buyers opting for one of the patterns offered by the company. These include common rooftop patterns in the United States, such as asphalt shingles, clay tiles, and slate.

“We think SolarSkin is going to catch on like wildfire,”  said co-founder Senthil Balasubramanian for MIT News. “There is a tremendous desire by homeowners to cut utility bills, and solar is finding reception with them — and homeowners care a lot about aesthetics.”

While I personally don’t believe rooftop solar is ugly, I know some people think this way — and they’re running out of excuses fast. 


http://www.zmescience.com/science/news-science/sistine-solar-panels-43242/
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Re: Photvoltaics (PV)
« Reply #207 on: March 09, 2017, 02:36:42 pm »
UK slaps massive 800% tax increase for rooftop solar panels

Mihai Andrei March 9, 2017

The US isn’t the only developed country backtracking on environmental development: the UK recently announced a new law that will bring a devastating tax increase on solar energy. As it has become so common in recent months, the government said it’s a good thing which will help development, but provided no explanation as to how it will help anything.

Although it is still a leader in European solar power generation, the UK    is making huge strides in the opposite direction. The country’s solar industry already lost 12,000 jobs last year and there has been an 85 percent reduction in the deployment of rooftop solar schemes, largely due to political intervention: the government drastically cut incentives for householders to fit solar panels and ended subsidies for large-scale “solar farms”. Now, they’re taking things even further, announcing that schools and businesses who haven’t been paying taxes for solar energy will now have to pay, and those who have been paying will pay 8 times more. To make things even peachier, the tax increase doesn’t apply to private schools, for a reason that has not been disclosed.

Needless to say, reactions have been highly critical of this move. The speech of Chancellor Philip Hammond on the 2017 budget barely even mentioned renewable energy, although he did emphasize a promise to help the oil and gas industry “maximise exploitation” of the remaining reserves in the North Sea.

Quote
“This is slightly less than helpful for the British solar industry,” the Solar Trade Association’s Leonie Greene told The Independent, in a very British fashion. “It’s absurd. Energy tax policy is going in the opposite direction to how we know energy needs to change and how it’s changing. What he is doing is advantaging old technology and disadvantaging new ones. It’s nonsensical.”

Despite pleas from the industry, schools, businesses, and the public sector, the government refused to back down on this. They specifically mentioned that this will be beneficial for schools but again, did not mention how. A petition with over 200,000 signatures from a school in London will be delivered to England’s Treasury Department today, but expectations are minimal.

ALSO READ Scotland just powered itself completely from wind power the entire day

This is extremely ironic because according to the government’s own figures, solar is expected to become the cheapest form of electricity generation sometime in the 2020s. It’s like the UK just decided to shoot itself in the leg — and this won’t only affect the businesses (especially small businesses), schools, and farms with solar panels, it will also affect average consumers, driving the price of electricity up by a notch. Leonie Greene adds:

“That is crazy because it is the cheapest and most popular source of energy. What that means is consumers are paying more. We are taking away the competitive pressure solar has put on other technologies. We need something to change for the solar industry. We are just trying to get a level playing field with fossil fuels.”

In a normal world, where politicians are unbiased and simply want the best for their citizens, they should be offering great support for renewable energy — especially in the UK. The country is going through a severe pollution crisis. The situation is so bad that the UK has been taken to court twice and lost, being ordered by the supreme court to take action against climate change. Yet not only are they withdrawing subsidies and support for renewable energy, they’re actually making it harder for renewables to complete against fossil fuels. Just like in the US, the government hangs on to the oil and gas pipedream, ignoring both the environmental and economic reality: renewables are getting cheaper, and fast. Fossil fuels may be the past, they may be a big part of the present, but they’re certainly not the future. Installing new renewables is already cheaper than fossil fuels.

ALSO READ  Pesticides linked to massive bee die off, largest study of its kind confirms

James Thornton, chief executive of ClientEarth, the NGO that sued the UK and won, declared:
Quote

“Despite being ordered twice by the courts to take urgent steps to tackle the country’s air pollution crisis, it seems the Treasury has still not grasped the urgency of the situation,” he said. “We fear that Government plans [on air pollution], which are due out next month, may well fall short of what is needed.”

His fears — to say the least — seem rational. With Brexit right around the corner, the government seems set to scrape several of the EU regulations and give into the fossil fuel lobby. Although not as vocal and not as absurd as the Trump government , there are clear similarities to be drawn.  


http://www.zmescience.com/ecology/climate/solar-energy-tax-uk-09032017/
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Re: Photvoltaics (PV)
« Reply #208 on: March 09, 2017, 04:49:56 pm »

New Solar Farm Powers Hawaii at Night   :o  ;D

Tesla unveiled a new 13MW solar farm on the Hawaiian island of Kauai Wednesday, bringing the state closer to its ambitious goal of sourcing 100 percent renewables by 2045.

The farm includes nearly 300 Tesla Powerpack batteries, which provide 52 MWh of capacity and will allow the farm to sell stored power during the evening. The company estimated that the farm will offset 1.6 million gallons of fossil fuel usage per year  in the state, which relies heavily on oil-fired power plants and has some of the highest electric rates in the country.


According to The Verge:

It's the first major solar-plus-storage project for Tesla since its $2.6 billion acquisition of SolarCity last year, and Tesla said in a statement that it "will work with energy providers around the world seeking to overcome barriers in the way of building a sustainable, renewable energy grid of their own."

Stationary storage is "something I think will probably be as big as the car business long term," Tesla CEO Elon Musk said during a tour of the Gigafactory last year. "And will actually have a growth rate probably several times that of what the car business is per year. The growth in stationary storage is really under appreciated. That's a super-exponential growth rate." 


http://www.ecowatch.com/tesla-hawaii-solar-farm-2307566259.html

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AGelbert

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Re: Photvoltaics (PV)
« Reply #209 on: March 14, 2017, 01:09:20 pm »
Amish tap into God's Grid!        

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