Archive for December, 2019

If Green Energy Is So Great, Why Aren't We Using It?

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Green energy is getting better and cheaper, yet we still largely rely on fossil fuels. Why haven’t we switched to solar and wind energy yet?

Which Countries Will Be Underwater Due To Climate Change? – https://youtu.be/1ilC2ODaWSY
Which Countries Run On 100% Renewable Energy? – https://youtu.be/SrmsQzRQPPw
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What Would Happen If We Burned All The Fossil Fuels On Earth?
http://www.popsci.com/burning-all-fossil-fuels-could-raise-sea-levels-by-200-feet
“A new study published today in Science Advances finds that if we burn all of the remaining fossil fuels on Earth, almost all of the ice in Antarctica will melt, potentially causing sea levels to rise by as much as 200 feet–enough to drown most major cities in the world.”

Who’s Winning The Battle To Replace Coal?
http://www.forbes.com/sites/thebakersinstitute/2016/05/17/whos-winning-the-battle-to-replace-coal/#e9dc97c6b09f
“Coal is losing the battle for the electricity future in the United States. Investment in new coal-fired generating capacity has dried up with its share of electricity generation dropping from 53% in 2000 to 34% in 2015.”

Electricity in the United States
http://www.eia.gov/energyexplained/index.cfm?page=electricity_in_the_United_States
“In 2015, coal was used for about 33% of the 4 trillion kilowatthours of electricity generated in the United States. In addition to being burned to heat water for steam, natural gas can also be burned to produce hot combustion gases that pass directly through a natural gas turbine, spinning the turbine’s blades to generate electricity.”

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The 'duck curve' is solar energy's greatest challenge

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Renewables require change in the energy supply chain.

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Electricity is incredibly difficult to store, so grid operators have to generate it at the exact moment it is demanded. In order to do this, they create incredibly accurate models of the total electric loads, that is how much energy will be consumed on a given day. But as utilities started to produce more energy from renewable sources like solar, the models started to shift as well.

California researchers discovered a peculiarity in their state’s electric load curves, that started to look more and more like a duck. And that duck shaped chart highlights the greatest challenge to solar energy growth in the US.

Vox writer David Roberts has been covering the issue for a few years now. You can read some of his past explainers on the duck curve, and its solutions at the links below:

https://www.vox.com/energy-and-environment/2018/3/20/17128478/solar-duck-curve-nrel-researcher

https://www.vox.com/2016/2/10/10960848/solar-energy-duck-curve

https://www.vox.com/2016/4/8/11376196/california-grid-expansion

https://www.vox.com/2016/2/12/10970858/flattening-duck-curve-renewable-energy

And if you would like to read some of the source material used in the video above, you can check those out here: https://www.caiso.com/documents/flexibleresourceshelprenewables_fastfacts.pdf https://www.nrel.gov/docs/fy16osti/65023.pdf

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Who is leading in renewable energy? | CNBC Explains

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Around the world, governments are tapping into renewable sources to fuel the growing demand for energy. But as the conversation steers away from the costs of clean energy to the best practices, CNBC’s Nessa Anwar evaluates which countries are having the most success and the challenges that still lie ahead.

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How do solar panels work? – Richard Komp

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The Earth intercepts a lot of solar power: 173,000 terawatts. That’s 10,000 times more power than the planet’s population uses. So is it possible that one day the world could be completely reliant on solar energy? Richard Komp examines how solar panels convert solar energy to electrical energy.

Lesson by Richard Komp, animation by Globizco.
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Solar panels for home – 9 months later! It’s the video many of you have been asking for. Ever since I published the video about my solar panel system on my home earlier in the year, and my experience with the installation and energy production I’ve been seeing, I’ve been asked for an update on how it’s going. By a lot of people. Well, it’s time. How much energy production have I been seeing? How much money have I spent on versus how much I’ve saved? I’m going to cover it all.

Be sure to visit my Energysage portal to help with that: http://www.energysage.com/p/undecided/

Full Script:
https://undecidedmf.com/episodes/2019/7/5/solar-panels-for-home-9-months-later

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California's Renewable Energy Problem

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References:

References:
[1] https://endcoal.org/wp-content/uploads/2019/03/BoomAndBust_2019_r6.pdf
[2]
https://www.energy.ca.gov/renewables/tracking_progress/documents/renewable.pdf (verified with own calculation)
[3]https://web.archive.org/web/20040702092945/https://www.duke-energy.com/news/releases/2000/Nov/2000111601.html
[4]https://pv-magazine-usa.com/2018/11/08/california-regulators-approve-the-worlds-largest-battery-projects/
[5] https://www.ge.com/power/transform/article.transform.articles.2018.oct.storage-threat-to-peaker-plants
https://www.greentechmedia.com/articles/read/just-how-much-business-can-batteries-take-from-gas-peakers#gs.bn4i7x
[6] http://www.caiso.com/TodaysOutlook/Pages/default.aspx
[7] https://reneweconomy.com.au/revealed-true-cost-of-tesla-big-battery-and-its-government-contract-66888/
[8]http://www.caiso.com/Documents/Wind_SolarReal-TimeDispatchCurtailmentReportMay07_2019.pdf
[9] http://www.caiso.com/Documents/Wind_SolarReal-TimeDispatchCurtailmentReportMay15_2019.pdf
[10] https://www.energy.ca.gov/almanac/electricity_data/total_system_power.html
[11] https://arpa-e.energy.gov/sites/default/files/documents/files/DAYS%20Project%20Descriptions%20FINAL.pdf

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Environmentalists have long promoted renewable energy sources like solar panels and wind farms to save the climate. But what about when those technologies destroy the environment? In this provocative talk, Time Magazine “Hero of the Environment” and energy expert, Michael Shellenberger explains why solar and wind farms require so much land for mining and energy production, and an alternative path to saving both the climate and the natural environment. Michael Shellenberger is a Time Magazine Hero of the Environment and President of Environmental Progress, a research and policy organization. A lifelong environmentalist, Michael changed his mind about nuclear energy and has helped save enough nuclear reactors to prevent an increase in carbon emissions equivalent to adding more than 10 million cars to the road. He lives in Berkeley, California. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx
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5 Simple Tricks to Lower Your Energy Bill 50% or MORE Guaranteed!

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These free, quick, and simple tricks are guaranteed to help lower your energy costs by OVER 50%!! We saved 56% after trying these tricks and we expect to save over 75% once we incorporate one more trick. We will show you how to do it!
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The Rise Of Solar Power

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The Rise Of Solar Power

Solar power is on the rise. You can see the evidence on rooftops and in the desert, where utility-scale solar plants are popping up. The picture is not all rosy, but if the recent past is any indication, solar power is going to help lead the transition to a carbon-free future, and it might do it faster than we all expected.

Elon Musk and Tesla promised solar roof tiles in 2016, but the industry might not need an upgrade as its grown significantly with the solar panels currently available. You can see the evidence both on individual rooftops and in the utility-scale solar plants increasingly popping up in deserts across the country. In the United States, of all about 30% of the new power capacity added to the grid in 2018 was from solar.

But the picture is not all rosy. Solar power (and sunshine) is intermittent and the price of lithium ion batteries, one of the most popular current storage solutions, is still relatively high.

These are real problems that the industry needs to tackle if solar is going to reach its potential. However, if the recent past is any indication, solar power is going to help lead the transition to a carbon-free future, and it might do it faster than we all expected. Watch the video to learn more.

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The Rise Of Solar Power
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Renewable Energy is a Scam

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How will green energy change our future? What will our future look like with green energy? The growth of green energy goes together with change. Our future will not only include green energy, but our future will also be shaped by it.

What will the future sustainable world look like? That is the big question, now that the global transition towards sustainable energy is gaining momentum. For the growth of sustainable energy involves a lot more changes than just the color of the power supplied to our homes. How will we build, how will our mobility be impacted, and will energy, one day, be free? Just like the Internet turned out to have an unforeseen influence on all kinds of industries, from music to taxi businesses, the transition towards sustainable energy will also rise beyond the energy sector. And with a much wider impact than is now assumed. But we know surprisingly little about what that world will look like, and how the people in it will live, work and move around. Expectations are that, by the 2050s, two-thirds of the electricity generated globally will be sustainable.

The Netherlands is ambitious too. But what kind of world are we heading for, really, with all these sustainable measures? In partial areas, the future is clear: a massive stop to the use of gas, lots of windmills and solar panels, and perhaps a self-driving car outside. But, for now, there is no wider vision of what the sustainable new world will look like. What will the world be like once energy has become practically free? What will the impact of the transition towards sustainable energy be on the balance of power in the world?

A journey along places where the sustainable future is already (nearly) visible. In China, for example, old collapsed coal mines are given a new destination as solar parks. In Denmark, the power plants of the future also serve as skiing slopes. And in Malmö, Sweden, new leases are signed with green fingers.

Original title: Voorbij de groene horizon

With: Bjarke Ingels (architect, BIG Copenhagen), Peggy Liu (green pioneer JUCCCE Shanghai) and Varun Sivaram (author ‘Taming the Sun’ and expert clean energy technology Council on Foreign Relations in Washington DC).
Originally broadcasted by VPRO in 2018.
© VPRO Backlight October 2018

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