Showing posts with label renewables. Show all posts
Showing posts with label renewables. Show all posts

Friday, June 16, 2017

Renewable Energy Jobs Exceed Fossil Fuel Generation Work

Champions of fossil-fuel generation have long complained that jobs losses have been one of the biggest detriments to the decommissioning of coal-fired power plants. And renewable energy sources do nothing to help replace those jobs.
Not so, according to a panel of experts at the recent Australian Energy Storage Conference and Exhibition held at the International Convention in Sydney. At the Q&A after The Benefits of Microgrids for Urban, Rural and Off-Grid Applications seminar, the question of how many jobs are created by renewables was raised by moderator Mark Higgins, COO of clean energy consultancy Strategen.
“In the United States there is a lot of hand wringing over the loss of jobs in the conventional fossil fuel industry,” said Higgins. “In California this issue is finally starting to come to light where statistics are showing that within the renewable energy industry there are more renewable energy jobs than the entire coal industry in the United States.”
This is backed up by a recent report from the U.S. Department of Energy that shows that solar power employed 43 percent of the electricity sector’s workforce in 2016, while fossil fuels combined accounted for 22 percent.
Almost 374,000 people were employed in solar energy, whereas gas, oil and coal power generation combined had a workforce of slightly more than 187,000.
While offering no hard data to back up his point of view, Michael Ottaviano, CEO of Carnegie Clean Energy, said anecdotal evidence suggested that clean energy job opportunities were on the rise.
“If you think about it, since 2010 we’ve retired about 5000 MW of coal-fired power stations,” said Ottaviano. “We haven’t built any coal-fired power stations in about seven years but we’ve built about 10,000MW of renewable [plant]. In terms of job creation, we’ve created no new jobs in the construction of coal-fired power stations in the last seven years, but an enormous amount of jobs to create 10,000MW of renewables. I think the battery storage space is about to take off so we’ll do something similar. Politically the argument doesn’t get much traction in Australia but it should. We’re hearing a lot even in the Finkler report that came out recently about the need for coal-fired power stations to give three years notice partly to allow people to be retrained. That’s a real problem that needs to be addressed.”
ESS vice president of business development, Bill Sproull, said not only did renewables create jobs, but tended to make them localised, which in a country like Australia, is a good thing for regional economies.
“When I think about renewables and microgrids, it’s really decentralising energy generation and control that’s been prevalent in most of our countries. With that, jobs become very much more local, even down to the community level,” he said.
Another panellist, Giin Sia, the Asia Pacific regional sales director for NEC Energy Solutions, sees nothing but positive outcomes in the near future.
“If I could provide feedback from the rest of the Asia Pacific, [renewable] projects are seen as progressive,” he said, “particularly with an existing structure where there is a big dependence on fossil fuel. When talking to some of the utility companies, as well as governments and ministries, I do not get the impression that energy storage or micro grids are going to take away any jobs at all. In fact, it’s going to be able to put in more jobs, specifically in areas that are not seen as traditional skills.”
Battery energy storage should also contribute to new jobs in renewables in coming years. 
So for all you young and work aspiring people, the renewable energy industry might just be the place to seek and build skills that would translate into jobs......real jobs, particularly in regional cities, where living costs might also be lower than state capital cities. 
 [based on article by Mike Wheeler in PACE magazine, June 2016]

Thursday, November 26, 2015

139 Countries Could Be Totally Powered by Renewables

139 Countries Could Get All of their Power from Renewable Sources

Energy from wind, water and sun would eliminate nuclear and fossil fuels



Courtesy of The Solutions Project
Mark Jacobson and Mark Delucchi have done it again. This time they’ve spelled out how 139 countries can each generate all the energy needed for homes, businesses, industry, transportation, agriculture—everything—from wind, solar and water power technologies, by 2050. Their national blueprints, released Nov. 18, follow similar plans they have published in the past few years to run each of the 50 U.S. states on renewables, as well as the entire world. (Have a look for yourself, at your country, using the interactive map below.)

The plans, which list exact numbers of wind turbines, solar farms, hydroelectric dams and such, have been heralded as transformational, and criticized as starry eyed or even nutty.

Determined, Jacobson will take his case to leaders of the 195 nations that will meet at the U.N. climate talks, known as COP 21, which begin in Paris on Nov. 29. His point to them: Although international agreements to reduce carbon dioxide emissions are worthwhile, they would not even be needed if countries switched wholesale to renewable energy, ending the combustion of coal, natural gas and oil that creates the vast majority of those emissions, and without any nuclear power. “The people there are just not aware of what’s possible,” says Jacobson, a civil and environmental engineering professor at Stanford University and director of the school’s Atmosphere and Energy Program. He is already scheduled to speak twice at the meeting, and will spend the rest of his time trying to talk one on one with national leaders and their aids.


Jacobson thinks the 139 national plans will get traction not only because they offer a path to lower emissions, but because in total, they would create 24 million construction jobs and 26.5 million operational jobs, all spanning 35 years, offsetting 28.4 million jobs lost in the fossil fuel industries. That would leave a net gain of about 22 million jobs. Going 100 percent renewable would also prevent 3.3 to 4.6 million premature deaths a year through 2050 that would have happened because of air pollution from those fossil fuels. “These numbers are what gets people’s attention,” Jacobson says.

Jacobson and Delucchi, a research scientist at the University of California at Davis,  presented their “100 percent renewables” construct to the public for the first time in a 2009 feature article in Scientific American. It explained how the world could derive all of its power, including for transportation, from 1.7 billion rooftop solar systems, 40,000 photovoltaic power plants, 3.8 million wind turbines, 900 hydroelectric plants, 490,000 tidal turbines and so on. “The whole idea originated with the Scientific American article,” Jacobson says. “Now there are five or six nonprofit organizations that use ‘100 percent’ in their name. Walmart, Google and Starbucks have said they want to go to 100 percent renewable energy. So have a number of cities. The goal of our plans for U.S. states and the 139 countries is to have places set their own ‘100 percent’ goals.”

Energy demand across the 139 nations by 2050 would be met with a broad set of wind, water and solar technologies: 19.4 percent onshore wind farms, 12.9 percent offshore wind farms, 42.2 percent utility-scale photovoltaic arrays, 5.6 percent rooftop solar panels, 6.0 percent commercial rooftop solar panels, 7.7 percent concentrated solar power arrays, 4.8 percent hydroelectricity, and 1.47 percent geothermal, wave and tidal power. Jacobson, Delucchi and more than a dozen colleagues from around the world have posted the details, country by country, in a self-published paper they released online. Hoping to make it available for COP, they have yet to publish it in a journal, but they intend to, Jacobson says. The previous plans have all been published.

The big knock against renewables such as wind and solar is that they are intermittent; the wind doesn't always blow and the sun doesn't always shine. That means large amounts of energy storage are needed to save up excess power generated when these technologies are going full bore, which can then be tapped when they are low. Storage adds substantial cost and complexity to a renewable energy system.  

But Jacobson has an answer. By using a smart mix of technologies that complement one another during different parts of the day and different weather conditions, storage can be kept to a minimum. He, Delucchi and two colleagues explain how this can work across the U.S. in a paper in the Proceedings of the National Academy of Sciences that will be published Nov. 23.

The engineering detail in all these papers and plans is staggering. The document released for the 139 countries provides an itemized mix of technologies and costs for every nation, as well as how much land and rooftop area would be required. Since 2009 the two researchers, working with many others, have honed the numbers again and again. Now what is needed most, Jacobson says, is exposure. “We have talked to hundreds of expert and politicians. Now we need to reach hundreds of millions of people,” in hopes that they will see the possibilities and begin to call for them. 

That's why Jacobson and several high-profile businesspeople and entertainers started the Solutions Project to educate the public, business owners and policy makers about the roadmaps. Support comes from the Elon Musk Foundation, the Leonardo DiCaprio Foundation and others. “We are tying to find a way to combine business and culture and science to get the information out—to engage, to tell stories,” Jacobson says. 

He himself scored a spot on David Letterman’s Late Night show in 2013. He says DiCaprio is planning to visit COP 21 while he is there. “We want to translate the benefits of the plans for people everywhere,” Jacobson says. “That's when good things will happen.”

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This was published online by Scientific American on 26 November 2015.

It is not pie in the sky stuff but well thought out engineering proposals.  Lets see if it gains some traction over the next few weeks in Paris.

Do your bit.........circulate it.