Rooftop Solar Could Reach Price Parity In the US By 2016 516
Lucas123 writes: The cost of rooftop solar-powered electricity will be on par with prices of coal-powered energy and other conventional sources in all 50 U.S. states in just two years, a leap from today where PV energy has price parity in only 10 states, according to Deutsche Bank's leading solar industry analyst. The sharp decline in solar energy costs is the result of increased economies of scale leading to cheaper photovoltaic panels, new leasing models and declining installation costs, Deutsche Bank's Vishal Shah stated in a recent report. The cost of solar-generated electricity in the top 10 states for capacity ranges from 11-15 cents per kilowatt hour (c/kWh), compared to the retail electricity price of 11-37 c/kWh. Amit Ronen, a former Congressional staffer behind legislation that created an investment tax credit for solar installations, said one of the only impediments to decreasing solar electricity prices are fees proposed by utilities on customers who install solar and take advantage of net metering, or the ability to sell excess power back to utilities.
They WILL FIght Back (Score:5, Insightful)
In the craphole region in which I live they've already passed ordinances about things like wind turbines within city limits. They call it an "eye sore" and "disruptive." That's how the utility companies will outlaw solar paneling after donating generously to their politician buddies. Either that or they'll so overregulate them that the price will skyrocket beyond most people's financial reach.
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Everybody knows wind turbines are eye sores.
They obscure all the lovely smoke stacks.
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Everybody knows wind turbines are eye sores. They obscure all the lovely smoke stacks.
That's good news, because this story is about rooftop solar.
In many parts of the world, and no doubt in many parts of the USA, rooftop solar is already at parity if subsidies and externalised costs are taken into account. In direct costs alone, the US pays around 50 billion dollars annually to subsidise fossil fuels. Internationally it's close to a trillion dollars.
Re:They WILL FIght Back (Score:5, Insightful)
It depends on how you measure it. For example, here it says that solar is rapidly nearing cost parity except in places where restrictions and fees on net metering are in replace. But it's only fair that there should be such fees.
Part of the reason for this battle in the US is the stupid way US consumers are billed, you usually pay a single per-kWh fee. Here in Iceland our electricity bills are broken down into a "distribution fee", for the infrastructure, and a "generation fee", for the power. Surprise surprise, all of that infrastructure costs some serious money, about as much as the cost of generation itself. If a person uses solar and net-meters out at zero, they're still using all of that infrastructure (unless they're off-grid, but nobody's arguing that off-grid is anywhere near price parity). Even more than that you're relying on the existence and functionality of power plants to keep the lights on during the day. If everyone did like you, then there'd have to be instead of power plants massive daytime-energy-storage buffers, be they batteries, pumped hydro, etc (in addition to all of the wires, transformers, etc).
Now if you don't have to pay the utility, who exactly is supposed to fund this stuff? It's not cheap.
Yes, many US states require free net metering and power resale. It's the law, so utilities have to do it. But all you're doing at the time being is transferring the solar-generators' share of the infrastructure costs onto the non-solar-generators share. So when you report that these people can "break even", is that really a fair comparison?
Don't get me wrong, I'm a big solar fan. And I think that to reach true parity subsidies - such as these free net metering laws - are a great way to help get solar to that point. But let's not kid ourselves, it is a subsidy.
(Things would be a lot less controversial if you'd properly break up your power bills into distribution vs. generation costs. Personally I think bills should be even further broken down to time intervals over the course of the day and have the purchase / sale price of electricity match the actual market price for that time. It'd be a big boon for solar users, at least in warm places with low to moderate market penetration where midday electricity is expensive and nighttime electricity is cheap)
Re:They WILL FIght Back (Score:4, Insightful)
Everything you wrote is irrelevant. If they're running your meter forward when you buy and backward when you sell, then you're getting the same price for purchase and sale. If you use X kilowatts and sell X kilowatts, in most places with net metering, your bill is free, or nearly so. THis should not be, because you're still moving a lot of power back and forth over a lot of expensive hardware, and relying on very expensive infrastructure to ensure that you stay powered at night. All of this hardware costs about as much in terms of amortized capital costs and ongoing maintenance costs as the actual generation of electricity at a power plant. You should be responsible for bearing your share of this cost.
People should agree to accept responsibility for their share of the infrastructure costs, infrastructure that they're clearly using just as much if not more than other customers, and instead argue on other issues that could benefit them, such as time-of-use valuation of electricity.
I am, of course, obviously not talking about the couple dozen meters of wire from your house to the grid. I'm talking about the grid itself. If you want to disconnect your home's grid connection from the grid, by all means, you should then be under no obligation to pay for grid construction and maintenance. But as long as you want to use it, you should be paying for it.
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Do these externatilities and subsidies include the cost of keeping coal plants at standby for nights and cloudy days, or are we talking about fully grid-independent installations?
Speaking of which, are there any plug-and-play grid-free kits, the way there are other appliances, or do people have to hack something together from separate parts? Becaus
Re:They WILL FIght Back (Score:5, Interesting)
There was a wind turbine near me that was removed by local council order. It was one of those spiral tube looking ones and the person had put it up in their front yard on essentially a flag pole with guy wires.
The thing had a fair amount of slap in the pole which was kinda scary to watch. But the main thing was this thing screamed when its speed got up. Not sure what it was, whether it was the bearings, the motor or maybe the brakes but it started to sound like a jet turbine spinning up when it was going fast (and bloody hell did it spin fast!)
I used to drive past it on the way to and from work and could comfortably hear it over the car's engine and aircon with the windows closed.
Re:They WILL FIght Back (Score:5, Informative)
Actually, the statistics are precisely opposite. The lower the turbine and the higher the RPM, the more birds it kills, while the higher the turbine and the lower the RPM (aka, the wider the blade radius), the fewer birds it kills. Also, tower design plays a major role. Those truss-style towers popular with small-scale turbines are the worst, as birds see them as potential perches / roosts.
The worst wind farm in the US for bird deaths by far is Altamont Pass, especially their older turbines, which look like this [wikipedia.org]. They're pretty much a bird cuisinart, they kill thousands of raptors every year and have had a significant impact on California's bird of prey population, while most wind farms have an irrelevant impact on bird populations.
"eye sore" (Score:5, Insightful)
Re:"eye sore" (Score:4, Interesting)
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Please remember. In the rush to vilify various and sundry sources of energy vis-a-vis environmental impact, that all energy comes at an environmental cost. We will not do without the electricity in our homes and fuel for our human-toters and goodie-transport vehicles.
One day, when the other grid-friendly options are all exploited, our offspring will enjoy ubiquitous clean and relatively safe nuclear power.
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In the rush to vilify various and sundry sources of energy vis-a-vis environmental impact, that all energy comes at an environmental cost.
did I say anything to the contrary? Of course, and even things like bicycles have carbon costs associated with them. But, in your rush to vilify various sources of energy, vis-a-vsa enviromental impact, you must consider that like all other costs in life, not all are the same.
It would be absolutely ludicris to say that solar, wind, or even hydro-electric has the same, similar, or in the same leauge enviromental costs any method of combustion to produce power.
One day, when the other grid-friendly options are all exploited, our offspring will enjoy ubiquitous clean and relatively safe nuclear power.
I feel as if you jumped straight to a conclu
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I think some people severely underestimate and downplay the importance of wind power inconveniences like this (and the bright blinking lights into people's windows), but there is absolutely some BS about low-frequency noise causing cancer. I've seen that distributed and it is ridiculous.
Re: "eye sore" (Score:5, Funny)
It's absolutely true. Most people don't know this, but a herd of elephants produce a constant low frequency.
At first it was theorized that the low frequency sounds were communication to keep the group connected even over long distances, but it is now accepted by leading researchers that the low frequency hum is actually a defense mechanism by the elephants to cause cancer in predators, or in some cases a particular asshole elephant in the herd that gets on their nerves.
We may think that we discovered that low frequencies of sound cause cancer by studying people that obviously hate windmills, but nature actually invented it first!
Isn't nature amazing?
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Don't know about cancer, but some of those frequencies can give you a good case of the runs. Happened to me once at a Joe Walsh concert...
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From your OWN links :
"wind turbines do not directly make people ill." and "Annoyance is not a disease." and "(sickness) likely caused by the psychological effect of suggestions that the turbines make people ill".
More damningly, "similar irritations are produced by local and highway vehicles, as well as from industrial operations and aircraft.". Will include ultrasounds and what not. You do not get annoyed by those, because your brain and ears have adjusted to those sounds over the years. Try asking those w
Re:"eye sore" (Score:5, Insightful)
What is confusing is, why is there a debate about wind turbines on an article about SOLAR?
False equivocation? The bizzare ability of some folks to add up equate supposed disadvantages of multiple different technologies and lump them into one pile of fail, while some existing technology is heralded as perfection, ignoring any problems it might have?
Wind turbine are probably irritating and it might be better to install them in deserts, away from residences.
Kind of a whooshing sound, if they are a nuisance to anyone, that same person would not be able to live in a suburban environment, with buses and traffic and lawnmowers and leaf blowers and all.. And jet traffic would be completely intolerable for them. I've stood within 50 feet directly under one, and there simoply isn't all that much noise. On the mountaintops where they are installed here, the wind through the trees makes more noise.
Regardless, the big advantadge of the solar panels and their proliferation is that the people installing them don't give a flying fig about the naysayers. They've heard so much bullshit about how the panels will self destruct long before the investment return or warrantee period, how solar will never ever be able to provide their needs, and how the terrible poisons involved in making solar panels are somehow worse than the benzene in the gasoline they inhale every time they pump it or the MTBE octane booster isn't bad at all, the lead that used to be in it wasn't a problem at all, and that nothing beats good old fossil fuel, which we'll apparently have forever and ever, world without end, amen.
The solar users just install them, use them, and don't pay much in utility bills - or attention to the naysayers.
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Second. I've twice visited a wind farms on a windy day out of curiosity. My findings were:
1) The whoosh is surprisingly little. In a video I took, the wind noise on the camera drowned out the whoosh of the turbine, you can't even hear it.
2) The things are rather awe-inspiring up close, like watching a jumbo jet rotate over your head
3) I can see why most farmers love the things, their footprint is tiny and they can keep farming around them (the access roads take up a lot more space than the turbines), so it'
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Re: "eye sore" (Score:4, Interesting)
Aboard an incoming flight, you can see Beijing's air long before you can see anything of the city itself. Looks like a big inverted bowlful of smoke about 5 km high and 50 km in radius.
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That's hardly desperate. The problem with windturbines is they are really big and placed where there is wind. I have no problem with them on peoples farms and such. But last time I was skiing in Austria I climbed up a pristine mountain with camera in backpack, treaking through a snow national park and when I got to the top... wind turbines on every peak.
I wonder if the greenies would complain if instead we put up a billboard.
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I wonder if the greenies would complain if instead we put up a billboard.
Yes, and they'd be right to do so. A wind turbine may disturb a pristine landscape, but on the other hand it's also helping transition us away from our dependence on fossil fuels, so there is a compensating environmental benefit.
A billboard, on the other hand, despoils the landscape and has no compensating environmental benefit. From an environmental perspective, it's a total loss.
(of course if you'd like to have both your pristine landscapes and your wind turbines, than placing the wind turbines several
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Right next to the telecommunication towers.
It's not exactly wilderness.
Re:"eye sore" (Score:4, Interesting)
You know they're desperate when the only argument against new technologies they can come up with is that they're ugly.
A lot of money is being spent here to reclaim waterfront property for green space, nature reserves, parks and recreation. Ugly comes at a price that not everyone is willing to pay anymore, and the geek needs to see that clearly.
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Said by a person who does not live near a windmill or curbside solar panel farms.
I do. It's many orders of magnitude better than living near the coal fired electrical generation plant that was likewise a few miles from my place.
Are you seriously comparing a coal fired power plant as superior to solar panels on a house, or a wind turbine? Unless you like fly ash ponds. They're kind of cool until they dry up and you breath the stuff.
Comment removed (Score:5, Insightful)
Re:They WILL FIght Back (Score:5, Insightful)
Thank goodness coal-fired power plants are so aesthetically pleasing and pleasant to live around.
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How about animals?
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Thank goodness coal-fired power plants are so aesthetically pleasing and pleasant to live around.
I'm sure the same people would find coal power plants just as much an eyesore. But such a plant would occupy less land and be next to less whiners.
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Well they've been trying really hard to push the whole green-energy crap here in Ontario. We just hit our "winter" and all that, the winds are now high enough that the windmills are stopped, and it's generally now so overcast that the solar stuff doesn't work. Thank goodness that we have a a pile of nuclear generation here, otherwise people would be freezing to death.
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Yeah but now that it's in place how many trucks are up there? Other than periodic maintenance, how many 18 wheelers service that farm in a given year? Three? Plus now you have a bunch of awesome ridge top mountain biking trails, improved access to the wilderness etc etc. Other than the short term inconvenience of a major infrastructure project going in (oh no!) your long term view of the even longer term benefits of the site seem awfully jaded given the extremely low impact (i.e. none) to your daily life.
Comment removed (Score:4, Interesting)
Comment removed (Score:4, Interesting)
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huge amounts of deforestation (nine thousand acres worth),
Really?
It looks from the aerial photography you link to that they just cut tracks to each turbine.
Wind power is a joke regardless of how you look at it.
I look at it from price per unit, insulation from oscillating fuel prices, greenhouse emissions, and production of harmful waste.
It's not as funny as you seem to think.
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Nice red herring there.
Did you bother reading the article title however? It talks about SOLAR. If your only argument is that wind turbines should not be near residential areas, nobody is going to disagree much. :)
If wind power is such a joke, people will realize it is a money losing proposition, and they will NOT invest in wind turbines. Isn't US supposed to be all about capitalism, and stuff? Why are you against market taking its own shape? What are you, a f***ing COMMIE now????!!!
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Land use is only one aspect of environmental impact.
Most of the area used by wind farms can be used for something else, so your definition of "land use" is somewhat questionable.
Most of the environmental impact of nuclear is not from the plant, but from other parts of the chain, especially mining.
Having said that, I agree that nuclear is overall a very environmentally friendly energy source. It just is far too expensive to be of much use.
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What about bird kills, though.
Bird kills do happen. The relevant questions to ask would be: (a) how much do wind-farm bird kills effect the bird population, relative to other sources of bird mortality, and (b) how many birds would die in the alternative scenario, where the wind farm is not built?
The answer to (a) is: not very much. [carbonbrief.org]
The answer to (b) would of course depend a whole lot on how society chose to produce its energy instead of by from wind. If society continued to burn fossil fuels instead, the likelihood is that climate ch
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That's because their solar design SUCKS.
And they vastly over-stated possible power production.
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Solar...yeah, right [breakingenergy.com]
Ivanpah is solar-thermal, which is a dumb, dead end technology. It should have never been built.
TFA is about solar-PV.
My two cents... (Score:5, Insightful)
I think it'd be fine for utilities to charge something nominal for the privilege of solar. After all, you're not off the grid AND the power company has to deal with the upkeep of the cables. Provided it's not a money grab... that it's justified.
Net metering is when it runs backwards? That's probably find in a single month. But to carry it out over the year doesn't seem fair because during winter months, the solar panel user really is taking advantage of the grid.
As for the pricing when there's a surplus during the summer (when you sell it back), as I said before, you're not dealing with the cables/power lines... they are (the power company).
If solar power reduces carbon output from coal, good. Personally, if I could afford solar panels, I'd be interested in what uses it could provide during power outages combined with a battery backup for certain breakers/circuits (fridge, lights, and maybe one for TV watching).
Re:My two cents... (Score:5, Informative)
I think it'd be fine for utilities to charge something nominal for the privilege of solar.
I couldn't agree more. Where I live, I pay a monthly fee simply to be connected to the grid, whether I use any electricity or not. I assume that if micro-generation becomes common that the co-op must increase this fee. I will happily pay an increased fee to have the night-time and winter generation that are impossible with solar.
Personally, if I could afford solar panels, I'd be interested in what uses it could provide during power outages combined with a battery backup for certain breakers/circuits (fridge, lights, and maybe one for TV watching).
A transfer switch, combined with a good inverter (or a pair, depending on your load) can provide this today. (The transfer switch is mandatory for any solar install, anyway, so as to keep utility workers safe.) In fact, this has been possible for at least 15 years. In fact, a good inverter can act as the charge controller for your batteries, as well as manage a back-up generator to keep the batteries charged during an extended outage. If you want a good system that provides backup power, I would talk to somebody about designing it for you, rather than trying to cobble it together yourself.
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" In fact, a good inverter can act as the charge controller for your batteries"
Charging a battery off of AC? Surely you mean RECTIFIER.
Solar power terminology (Score:5, Informative)
Charging a battery off of AC? Surely you mean RECTIFIER.
Nope, he said inverter, he was talking about a intelligent hybrid inverter [wikipedia.org] like this Outback one. [solarhome.org]
The trick is that while it's called in inverter, that's only one of the things it does. Not only can it feed solar power to the grid, it can operate your home off of batteries, and if that isn't enough it can signal a generator to turn on(and off) as needs and power supply(solar AND grid) varies.
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The only problem is the fee is rarely what you want. The only way for the fee to be fair is for the costs of grid maintenance to be separated from power purchase completely. In fact the only fair thing would be to fragment the company into a single company running the grid with only grid expenses then to split those costs evenly across all subscribers, including business.
What the power companies want is to charge a fee without justification or even providing financials to justify it. The most recent tactic
Re:My two cents... (Score:5, Insightful)
How is that not fair? As a solar panel user, you’re no different from any other generator company. If I’m producing power, I darn well expect the power company to pay me for it, just as I expect to pay them if I’m using more power than I produce. What would be unfair would be an arbitrary limit to how far ahead you can build up bill credits towards future bills, because that would mean that I produced power that the power company benefitted from, and sold to somebody else for more than they should have paid me for it, but then didn’t pay me for it. That’s called stealing where I come from.
Besides, on average, solar power users produce power during the day, when demand is high and the cost of production is relatively high (because peaker plants are expensive). They consume power mostly at night, when demand is low and the cost of production is low. So no matter how long a cycle you average it over, the power plants are making a big profit from buying relatively cheap solar power instead of expensive natural gas peaker plant power (while selling that power at the same price). That more than pays for the negligible marginal grid maintenance costs arising out of providing power to one extra home.
And if you produce more power than you consume for a whole year, the power company gets an even bigger windfall profit. In most places, net metering happens on a one-year cycle. They pay you if you use less power than you produce over the course of that one-year period, but at least here in California, they pay a whopping 3 to 4 cents per kWh (less than half the production cost for solar, last I checked). As a result, there’s really zero advantage to overbuilding; the goal is to get as close as possible to breaking even over the year, without going significantly over. And, of course, they resold your extra power at up to 38 cents per kWh....
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Besides, on average, solar power users produce power during the day, when demand is high and the cost of production is relatively high (because peaker plants are expensive).
That's currently true, but look at Hawaii - they're quickly reaching the point where they'll need their peakers more at night than during the day. They're quickly reaching the point where some of their distribution circuits will occasionally go negative during the day.
Net metering only works when you are indeed on average selling expensive electricity for the same rate you're buying cheap electricity. If more than 20% or so homes and businesses install solar panels the equation flips - now nighttime power
Subsidies (Score:2)
With or without the government subsidies?
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For which side?
Re:Subsidies (Score:5, Insightful)
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The side that has been getting a very significant part of the upfront costs shouldered by the taxpayers
you mean the oil industry? The same people who viciously complain anytime we try to touch any of their tax breaks.
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The oil companies screamed like bloody murder when they talked about shaving those 4 billion in subsidies while they were raking in record profits.
But all the other groups receive equally large subsidies. If coal power cost what it's actual costs were it would be the most expensive power in the US. (I'm including the environmental and medical costs) But even if you don't include the environmental costs coal receives massive tax credits and subsidies.
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The Fed has proved it can create money at will, and the stock market soars. No taxpayer funding is needed. Let the Fed fund fiscal policy, at zero cost (since interest is returned to the Treasury each year, by law).
Taxpayers don't have to shoulder any costs. The Fed is not taxpayer-funded. And the Fed can forgive loans, or simply keep them rolling over forever.
As a hedge against inflation, we should index everything (bank accounts, transfer payments, everything) to CPI so that purchasing power never decreas
don't tax alternative energy and transportation (Score:5, Insightful)
"fees proposed by utilities on customers who install solar and take advantage of net metering, or the ability to sell excess power back to utilities"
this reminds me of the states that are passing taxes on electric vehicles because they don't pay gas tax.
There is a monumental, staggering level of myopia in those who propose and enact measures like these.
We have to transition to ~ 90% of the transport and energy in the economy to non-fossil, in a damn hurry (e.g. 2050), and we are way less than 1% of the way to where we need to get, so why the H3LLLLLL! would anyone be trying to put the brakes on the change already. Insanity, or stupidity of the highest order.
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But we need to pay for infrastructure. SO we need to tax electricity to recoup lost revenue form the gas tax.
The fees on solar are another push by power companies to screw over home energy collectors.
They can already buy it at market value to resell to industry.
Who pays for the infrastructure costs? (Score:2)
Should the power companies be FORCED to just eat the fees of hooking up and stabilizing a power source that's only producing cheap power during periods where demand is lowest?
I think not.
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Re:Who pays for the infrastructure costs? (Score:5, Insightful)
FYI demand in summer in many states is highest with mid-day air conditioning, same time as solar peaks.
The grid as a whole needs to add much more storage, and long distance HVDC transmission lines, to balance intermittent power sources.
My general position is maybe start reducing the incentives for solar, EVs etc once we are at say 50% of where we need to get to in the level of penetration of these technologies. Until then, get any additional needed infrastructure revenue from gradually increasing carbon taxes.
Make sure there are both carbon taxes and affordable alternatives to burning fossil fuels.
That's the recipe for a successful transition of the energy system.
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50%?
Currently solar makes up about 3% of all renewable energy produced in the US.
Renewable energy accounts for about 13% of domestically produced power and about 11.2% of total production.
So. 3% of of 13% (I'll be generous and take the higher number). That's approximately 0.0039% of domestically produced power.
What is the appropriate "level of penetration" for this tech compared to total generation? Half a percent? A whole percent
Is the solar install base REALLY going to be able to accommodate a 15-30,0
Re:Who pays for the infrastructure costs? (Score:5, Insightful)
" a power source that's only producing cheap power during periods where demand is lowest?"
Yep, I can tell you don't live anywhere in the southern United States. Especially the southwestern areas.
Re:don't tax alternative energy and transportation (Score:5, Insightful)
It would make more sense to crank up the diesel tax. Big trucks cause about three orders of magnitude more damage to roads than cars do anyway (one 18 wheeler does as much damage as 9,600 cars, according to the GAO), so it is only fair that trucking companies should pay essentially the entire cost of upkeep. If they raise the taxes high enough, perhaps we’ll see a resurgence in the use of trains for shipping (which is more energy efficient, too).
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Much like bandwidth, trains have that pesky "last mile" issue to deal with...
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Certainly, but that doesn’t negate the huge benefit of keeping most of them off the interstates for the first few hundred miles. :-)
Re:don't tax alternative energy and transportation (Score:5, Interesting)
The price of electricity is not just the price of generation.
The price of transportation is not just the price of fuel.
If you gave fossil fuels the same advantage of not charging infrastructure costs, taxes, government regulations on production etc... like you do with solar, you'd find that they are virtually free. There is no conceivable way solar is even remotely comparable until the government steps in and starts manipulating the numbers for the public good. You can argue that the CO2 issue is important enough to justify that interference, but lets not lie to ourselves about the numbers.
Re:don't tax alternative energy and transportation (Score:4, Insightful)
You are so very wrong.
Solar IS cost competitive. And with in a very short period, if current manufacturing price drops continue, it will be the cheapest source of power. But sure, ignore the real numbers the real reality of the situation if you wish. These numbers have been the talk of wall street for more than 2 years. Solar companies are turning down investment right now because there is too much being offered. But feel free to continue to display your ignorance. Even a fool could verify the real numbers with Google.
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If you gave fossil fuels the same advantage of not charging [...] government regulations on production etc... like you do with solar,
There's no government regulations on production of solar?
You can't even install solar panels without a licensed electrician to certify that your house isn't going to burn down.
I'm very interested in hearing your thoughts about the lack of regulation for solar.
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Subsidies? (Score:2)
Tax credits end in 2016 (Score:5, Informative)
Re:Subsidies? (Score:5, Interesting)
Yes, it includes the subsidies being renewed. (Score:3)
Is this price parity before or after absorbing massive subsidies from taxpayers and electricty consumers? If it is after, then the idea is not scalable.
After. Yes, it includes the subsidies being renewed.
The Deutsche Bank's projection assumes that there will be three things happening, which are unlikely:
(1) It assumes that the door-to-door sales model of whatever solar technology happens to be cheapest on the Thursday they ring your doorbell will result in substantial cost savings which can then be kept back from the consumer as additional profit
(2) It assumes that the utility companies aren't installing all those "smart meters" so that they can tariff at
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And, Americans thank China for their subsides on the manufacturer of Chinese solar panels.
Net Metering won't be part of the future (Score:3)
At the very least, rooftop solar producers will wind only being credited at the rate the utilities buy power wholesale. If you take a look http://www.eia.gov/electricity... [eia.gov] that's considerably less than the retail cost.
With or without subsidies? (Score:4, Interesting)
Prices are so distorted at this point it is almost impossible to tell what anything costs.
Re:With or without subsidies? (Score:4, Insightful)
Change is coming, so... (Score:2)
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Why? That’s just silly. Solar users sell power when prices are high and buy power when prices are low, but their billing is based on kWh, not cost, so the power that those customers get credit for during the day has a much higher value to the power company than the power that they get back at night. The power companies make a huge profit off of those solar users’ surplus power compared with what they would be paying for peaker plants. They can readily afford to absorb the infrastructure cos
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You and your grid can go dangle (Score:5, Insightful)
The holy grail for solar and other renewables is "off-grid".
I'm not sure how you can look at this inexorable progress and not see that's where it's headed.
It's why there are already places where it's illegal to be off the grid.
I'll bet you that before we have ubiquitous self-driving cars we have homes that can produce their own power without the need for a "grid". My hope is that some day the grid will be the equivalent of the streetcar tracks that are still under the pavement in many cities. This is why I'm opposed to any large-scale public subsidy of the "smart grid".
Now that I think about it, my place has a "coach house" in the back. I've turned it into a garage, but there is still a hayloft in it. I've even left the block and tackle above the loft door for decoration. And that's just a few blocks from downtown Chicago. I hope I live long enough to see "the grid" become just another 20th century artifact. Of course, there are some powerful forces aligned to prevent that from ever happening.
Re: (Score:2)
The holy grail for solar and other renewables is "off-grid".
For example, Africa.
Re:You and your grid can go dangle (Score:5, Insightful)
Off-grid is what the power companies should actually be afraid of. Unfortunately they are in denial about that little tidbit. Off-grid is already cost competitive in Hawaii (mostly because their power is $0.35kwhr).
But battery prices are falling in tandem with solar panel prices. And I suspect any law banning off-grid will quickly be squashed by the courts as unconstitutional for many reasons. But off-grid represents a death spiral and would make every asset of the power company almost worthless. That death spiral is what they should fear, because every time they make being on grid with panels harder they are going to drive someone off-grid and the more people they do drive off grid the higher the shared costs will be which will drive more people off grid starting a death spiral that ends with bankruptcy and assets that are without value.
That death spiral is what Hawaii power is starting to deal with because of their mucking about with net metering. They've begun to change their tune but it could very well be too late for them. Hopefully it will serve as a lesson for all the other power companies before they walk down the same path.
cost/price per kW hour comparison is nonsense (Score:5, Informative)
A solar installation is an investment. The proper analysis is return on investment. Current actual price before credits and rebates for a 4kW rooftop (16 panels, abt 25 m^2), installed, is about $16,000. This includes a substantial profit for the installer -- it should be available for less in a competitive market. There's a 30% US federal tax rebate, and here in North Carolina a 35% state tax rebate and a ~$1300 utility kickback. Assuming your tax situation allows you to take advantage of the credits, the net cost is about $6000. This will completely offset an annual electric bill of about $2000 - $2500. This is about 35% return on investment. Amortizing the net cost over a lifetime of 15-20 years for various components gives about 30% per year return. This return is tax free. This is an astoundingly good return. Berkshire Hathaway's total return over 49 years is 20% annually.
In other jurisdictions without the state tax rebate and utility kickback the tax-free return is 10 to 15%. Much better than the long-term return of any mutual fund.
Without any direct incentives the return is about 6%, tax free, very safe. CDs are currently about 1%.
Comparing the actual costs is the fair comparison. Apparently TFA omitted the actual government incentives on solar, while implicitly including them in the per kWh utility figures.
Rooftop solar has other benefits as well. Inverters are available that provide power during grid failure (during sunshine), and there are external benefits in replacing dirty coal or dirtier nuke power and slightly reducing the size and power of a monopoly corporation.
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A solar installation is an investment. The proper analysis is return on investment. Current actual price before credits and rebates for a 4kW rooftop (16 panels, abt 25 m^2), installed, is about $16,000. This includes a substantial profit for the installer -- it should be available for less in a competitive market...
It isn't the cost of the hardware that's preventing wider adoption. It is the completely ridiculous cost of installation which can easily double to triple the price. A number of states won't allow you to install your own panels and then hire an electrician to finish connection to the grid. You have to get a "certified" installer.
As an example, a 5KW system costs around $9000. The estimate I got for installing the system was $23,000, an additional $14,000 for installation. This is literally for a single day
Re:cost/price per kW hour comparison is nonsense (Score:5, Insightful)
Batteries are dropping in cost and increasing in capacity at about 20% per year right now. The Tesla gigafactory is expected to bring retail prices for a 85kwh battery pack to about $6000 where it's currently about $12k. For most residential homes an 85kwh battery pack is enough storage to provide power completely for more than 2weeks at full peak usage. With a gas heated home, the winter use of said battery pack would exceed a month without a single day of sunshine. Keep in mind the only time panels don't generate electricity is during the night and when the panels are covered. Even during a major storm, without snow, panels will continue to generate power during the day, just at reduced output. During the winter as long as the panels aren't covered in snow they will continue to generate power, and if tipped up to match the angle of the sun would generate better than 80% of the peak summer power.
Solar is a game changer and the retail price drops of panels will remake power generation, it's simply a matter of time at this point.
Re:cost/price per kW hour comparison is nonsense (Score:4, Informative)
Speaking as somebody who has spent year living on a sailboat where electricity was entirely provided by solar:
Even within a few miles of the equator, at local noon, a good rain squall will drop PV production to under 20% of its normal amount at that time. Later (or earlier) in the day it can easily drop all the way to effective zero - the charge controller eats a bit - until the sky clears. Of course, on the tropical ocean, "until the sky clears" is usually not that long. We (well, "they" now; my parents still live aboard but I do not) can run for a couple days (if fully charged) just living off the battery bank, though that would drop its charge lower than we like to let it go. On a really rainy day we might only get about 1/4 the normal production; if that keeps up for three days or so we'll run the engine for an hour to juice the batteries up.
As for winter, the biggest problem is not the angle of the sun (that is *a* problem, even if you tilt the panels, because of atmospheric losses... but it's not a huge problem) but instead is the length of the day. You might get 80% of summer noon on a sunny winter noon in some places (I doubt it would be true up here in the Pacific Northwet, and no, that's not a typo), but the boat has never been anywhere that *has* a "winter" so I can't speak from experience. However, on an average tropical Caribbean day, I measured meaningful power from 7:30 AM to 5:30 PM (10 hours total), with peak output around 1PM. That's only ten hours of electricity generation, and the vast majority of it occurred between 9:30 AM and 4 PM, for a period of only 6.5 hours (call it 2/3 of the day) where the panels produced more than 50% of their typical mid-day maximum. In Seattle in the middle of winter, we don't even get close to 10 hours of daylight; I wouldn't be surprised if we didn't get more than 6.5 hours of usable light at all. So, 2/3 as much time, multiply by 4/5 for lost brightness even at midday, and you're looking at barely over half the power per day in winter that you get from peak summer brightness. Take into account the fact that tropical days are shorter than summer days, and it looks even worse for a comparison of winter vs. summer.
This has always been the problem.. (Score:2)
"one of the only impediments to decreasing solar electricity prices are fees proposed [edit: and imposed] by utilities on customers who install solar and take advantage of net metering, or the ability to sell excess power back to utilities."
Re: (Score:3, Insightful)
The price you receive has to be the value of that electricity to the utility. The calculation of that value is tricky because the utility has very high fixed costs related to infrastructure, operations, and generation; your electricity doesn't reduce their fixed costs at all. You might save them some variable costs of generation but you might also cause them to incur some additional management costs.
The taxes are the biggest problem... (Score:4, Interesting)
I often drool over the prices in China, cheap CHEAP and functional solar panels I could have gotten for pittens. But the taxes are so high that it evens out the score. Which is kind of strange since the government is subsidizing solar power anyway, but it's all lost on the import tax alone.
Won't happen if the utillities get their way (Score:5, Informative)
Many utilities in the US are fighting rooftop solar through various means. The south-eastern states in particular are the worst for this.
Utilities are getting laws passed banning the "solar lease scheme" so popular in other parts of the US. And getting laws passed banning off-grid solar installs. And not providing net metering (either "you get paid for your excess electricity" or the "electricity you feed into the grid offsets what you use when the sun isn't shining but you wont get any money if you produce more than you use" model). And doing everything they can to push electricity generated from dirty black coal or nuclear reactors built to outdated 50s era designs instead of clean green energy.
PERMITS ! everybody forgets permits! (Score:4, Informative)
Many places in the USA have corrupted permit schemes. You don't pay a permit for an expert to verify your changes and protect the public-- you pay a % based upon the cost of the renovation. It is a home change TAX under another name and that is why you need permits for the most basic stupid things and why inspectors ignore checking most of the BS stuff; plus they are running around justifying the tax checking things that do not need it or enforcing the stupid rules (along with the good ones.)
I just got finished paying a 15% permit tax on top of the 7.5% sales tax for changes I made which were not inspected other than asking what the general plan was. On a huge solar installation that would be crazy just to have them make sure a few wires were connected properly.
now for storage (Score:3, Insightful)
If we had distributed storage (better batteries) we could crush the fossil fuel industry for good with this, and bankrupt Russia and the Saudis for good measure. It's within reach, within a very few years.
Extrapolation story (Score:4, Informative)
About 10 years ago I studied a graph of the cost of solar versus conventional energy over time, extrapolated out, and saw them crossing in roughly 10 years. So, I invested in solar companies thinking they are going to take over conventional energy.
I got the crossing part right. What I got wrong is that those were domestic companies. Chinese companies generally have beaten domestic companies such that my stocks languished.
Predicting the future is not good enough; you have to predict the location also. Warren Buffet, I am not.
Re: (Score:2, Flamebait)
You also say that as a guy who doesn't understand that cost is also measured over duration.
Here, for you math geeks out there, take a look at this statement and see if you can spot the problem:
Re:Hail resistant? (Score:5, Informative)
Generally speaking, yes. Anything complying with international standards is required to handle a 1 inch chunk of hail at terminal velocity (50 MPH). Many panels are rated up to 4x that, for added robustness, but I doubt those are the cheap ones. :-)
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Are this things hail resistant? Lower prices are interesting only if won't be smashed by some pieces of ice falling from the sky
There are many places that NEVER get hail. For instance, coastal California, where 30 million people live and there is plenty of sunshine. I haven't even seen lightning or heard thunder in the last five years.
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OMG... call the engineers! I bet they never thought of that. A big mistake. You are a true genius who will save us from the folly of renewable energy.
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Hellooooo Coch brothers. Are those coal plants and oil wells, fire resistant?
Conventional power sources are only interesting if they won't catch fire with just a stray cigarette, spark, or a bit of lightening falling from the sky.
Oh, and THEY do not just get destroyed but cost lives and add tons of smoke and pollution when that happens.
Nice try.