Environment & Energy
Related: About this forumThe Price of Solar Is Declining to Unprecedented Lows
http://blogs.scientificamerican.com/plugged-in/the-price-of-solar-is-declining-to-unprecedented-lows/[font size=4]Despite already low costs, the installed price of solar fell by 5 to 12 percent in 2015[/font]
By Robert Fares on August 27, 2016
[font size=3]The installed price of solar energy has declined significantly in recent years as policy and market forces have driven more and more solar installations.
Now, the latest data show that the continued decrease in solar prices is unlikely to slow down anytime soon, with total installed prices dropping by 5 percent for rooftop residential systems, and 12 percent for larger utility-scale solar farms. With solar already achieving record-low prices, the cost decline observed in 2015 indicates that the coming years will likely see utility-scale solar become cost competitive with conventional forms of electricity generation.
A full analysis of the ongoing decline in solar prices can be found in two separate Lawrence Berkeley National Laboratory Reports: Tracking the Sun IX focuses on installed pricing trends in the distributed rooftop solar market while Utility-Scale Solar 2015 focuses on large-scale solar farms that sell bulk power to the grid.
Put together, the reports show that all categories of solar have seen significantly declining costs since 2010. Furthermore, larger solar installations consistently beat out their smaller counterparts when it comes to the installed cost per rated Watt of solar generating capacity (or $/WDC).
[/font]The installed price of solar in dollars per Watt of rated generation capacity has declined significantly across all categories since 2010. (Credit: LBNL)[/font]
SunSeeker
(51,571 posts)We were the only house in our southern California neighborhood with solar panels. Now, solar panels dot the neighborhood, on about one house per block.
True Dough
(17,305 posts)And higher price point, would you day the installation has paid for itself? Have you spent much in maintenance and upkeep?
SunSeeker
(51,571 posts)That's $500×12×20 or $120,000 saved over the last 20 years. They cost $60,000, including installation.
Maintenence consists of hosing them off ever couple of years to get the birdshit and dust off.
NickB79
(19,253 posts)With a final price around $1.50-$1.75/watt around 2020.
Of course, that's barring any future technological breakthroughs.
NNadir
(33,525 posts)...solar cells, in the trillions and quadrillions.
All our problems are solved!!!!!!
Um...um...oh wait...
kristopher
(29,798 posts)...if you think that price chart means German policies aren't working for the Germans. That's what happens when you start with your conclusion and then mangle all the facts trying to make them fit your narrative.
08 Aug 2016 by Craig Morris
Main Street in Lake Mills, Iowa; 7% of households in the state had their power shut off in 2015 (Photo by Brandonrush, edited, CC BY-SA 3.0)
Recently, I had dinner with a group of North Americans who had come to Berlin to see what they could learn from the German energy transition. A Canadian expressed his concern that Germany has hundreds of thousands of people who cannot pay their power bills.
The exact number is around 350,000, I answered, and we know this because the countrys Network Agency publishes the figure every year. I then asked the group whether that number was high or low. For instance, how many households in Canada or the US had their power cut off for failing to pay the bills?
No one knew.
As we pondered the irony of energy experts not knowing statistics about their own countries that they know about Germany, I put the numbers into context. Thats 0.9 percent of the 39.9 million households in Germany. Still, how does that performance stack up internationally?
The visitors to Germany did not know because other countries dont always publish their statistics. Whenever the US press reports on such matters, we get a hodgepodge of numbers from particular utilities. Usually, we are only provided with the number of households affected (such as 70,000 in Memphis over eight months) without any indication of the percentage. Another example: 91,000 households in Iowa (equivalent to seven percent of all households in the state) received disconnection notices in the fall of 2015. There are no statistics on energy poverty for the US as a whole.
Judging from this article, Canada does not collect official statistics either (but please drop us a link in the comment box below if you know better). We simply know that a bank survey of Canadian households with incomes of at least 50,000 CAD found that 40 percent had trouble paying their monthly energy bills at least once in 2014. Thats not the same as having your power disconnected, of course, but the numbers tally roughly with Australia as welland again, the statistics are based on a survey, not official government data.
The best comparison I know of is from Eurostat, and it makes Germany look quite good indeed. Here, we see...
http://energytransition.de/2016/08/comparing-energy-poverty-in-germany-with-other-countries/
Energy Poverty in Europe
Madeleine Cuff
23 August 2016
Countries with a strong national commitment to nuclear energy tend to make slower progress towards meeting their climate targets, compared to countries without nuclear energy or with plans to reduce it, according to research published yesterday by the University of Sussex.
The researchers looked at the progress of European countries towards cutting carbon emissions and increasing their share of renewable energy under the EU's 2020 Strategy. They found nuclear-free countries such as Denmark and Norway have made the most progress towards their climate targets, while pro-nuclear countries such as France and the UK have been slower to tackle emissions and roll out clean energy sources.
...
"Looked at on its own, nuclear power is sometimes noisily propounded as an attractive response to climate change," Andy Stirling, professor of science and technology policy at the University of Sussex, said in a statement. "Yet if alternative options are rigorously compared, questions are raised about cost-effectiveness, timeliness, safety and security."
"Looking in detail at historic trends and current patterns in Europe, this paper substantiates further doubts," he added. "By suppressing better ways to meet climate goals, evidence suggests entrenched commitments to nuclear power may actually be counterproductive."
Countries which have no nuclear energy ...
http://www.businessgreen.com/bg/news/2468561/study-countries-that-support-nuclear-energy-lag-on-climate-targets