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Don't Miss The Great Solar Debate: Where Does the Global Solar Industry Stand? ×

The Pied Piper of Grid Parity

Paula Mints, Navigant Consulting
June 21, 2012  |  15 Comments

You'd think that quarter after quarter of losses for PV industry manufacturers along with a steady march of failures would be enough to shake the industry loose from its addiction to the goal of grid parity. Instead, and despite evidence that the current pricing for PV modules is actually damaging the industry's ability to compete, the enthusiastic chorus about grid parity continues to grow louder. Disagree at your own risk, but agree or disagree, promises have been made for consistently lower system prices, and the cost of breaking these promises could be steep. "Hamelin Town's in Brunswick, by famous Hanover city" … so begins the famous poem by Robert Browning, famous more for its point about the danger of breaking promises than for its iambic pentameter.

Throughout its ~40 year history the PV industry has operated in a climate of stop/start/stop incentives along with a perception that it is more expensive than other energy generating technologies (specifically, conventional energy, though also wind and nuclear).  In the early years, the public perception was that PV was essentially a science experiment best suited to sandal wearing hippies, instead of a business started by engineers and scientists and propelled forward by small companies taking significant risks, often on a shoestring budget.  The perception of solar as the most expensive energy source continues, despite a tacit realization that conventional energy – globally – enjoys significant direct and indirect subsidies.  In many countries the electricity that the public buys from the utility is delivered at a price point that is below the cost of production.  Simply put, to try and achieve grid parity with electricity that is delivered to the customer below the cost of production is absurd as well as ironic. 

Promises to compete with conventional energy at an unfairly low price point are holding the PV industry in a vice from which it is difficult to emerge. From Browning:

Rouse up sirs! Give your brains a racking, to find the remedy we’re lacking, or, sure as fate, we’ll send you packing! At this the Mayor and Corporation quaked with a mighty consternation.  

Or, put another way, continue lowering the price of the PV technology (including system installation) or the incentives necessary to stimulate demand will be removed. Ironically, even when costs are lowered the PV industry pays a price for its success.  During the early days of the European Feed in Tariff incentive model, 2004 through 2010, industry demand soared from megawatts to gigawatts with demand primarily led by the European FiT countries.  As installed capacities mounted, governments and utility ratepayers (who bear the cost of the FiT) became concerned, and the FiTs began to change or was cancelled. Retroactive changes to FiT rules have proved harmful to investor confidence.  Meanwhile, a global recession caused ratepayers (and again, governments) to look askance at the newly booming solar industry.  Currently in Europe austerity measures and country debt are ongoing threats to the continuation of incentives. 

It is concerning that the very manufacturers suffering significant losses also proclaim that the current prices for PV modules are not only sustainable, but will be even lower in the near term.  During the recent CEO panel at Intersolar Europe all the executives, none with positive net incomes to point to, agreed that current pricing was fine.  It is as if the entire industry is suffering from hysterical blindness.

At this juncture the strongest factor holding prices for PV technology down is the expectation that prices will continue to fall.  The best that can be hoped for at this point in time is that prices will stall, and remain flat until costs catch up, and innovations in balance of systems and installation efficiencies will accelerate.  Before this finally happens, unfortunately, consolidation and failure will continue, potentially leaving the PV industry with a barren landscape when it emerges. 

And in after years, if you would blame, his sadness, he was used to say, it’s dull in our town since my playmates left! I can’t forget that I am bereft.  The music stopped and I stood still, and found myself outside the hill, left alone against my will, to go now limping as before, and never hear of that country more!

Granted, the above is gloomy picture.  However, if it is your company that fails in a hostile competitive climate where unrealistic expectations must be met, I assure you, gloomy is the most likely mood. 

Luckily, survivors populate the PV industry.  In fact, surviving, thriving and innovating against all odds are primary industry traits.  During this hopefully brief correction, learning in terms of manufacturing costs will accelerate, as will the development of innovative business models.  Concerning prices, likely the best that can be hoped for is that they will stop falling and stay flat for a period long enough that the industry can catch its collective breath.  Meanwhile, along with accelerated learning, it is time to develop a message about quality, clean, reliable electricity, generated by a low maintenance technology that enjoys free fuel and offers energy independence.  The PV industry can emerge from this painful period stronger and with a message that focuses on attributes other than simply being the cheapest energy game in town. 

Image: Pied Piper via Shutterstock

15 Comments

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Kim Hanna
Kim Hanna
July 18, 2012
I just saw a new 2MW solar system built for $35million
under a gov program 17.5 million per MW. Steep! Can't find the link at the moment
Tony Maine
Tony Maine
July 17, 2012
It is really great to hear sensibly structured accounts from real users who have installed a good solar system and have now won plenty of benefits from it. The anti renewable hype can do nothing against such success stories and will hopefully and in the not too distant future come to be seen by most as what it is - woeful attempts by the fossil fuel lobby to protect what they regard as their 'assets'. Assets? By any reasonable ecologically sound accounting system they are fast turning into liabilities, for them and the planet as a whole.
ANONYMOUS
July 8, 2012
I've been researching solar energy farms and so far the lowest price estimate is $.13/KWH LCOE for Massachusetts.
ANONYMOUS
July 8, 2012
$1 per installed watt should continue to be the goal, meaning the ability to deliver peak electricity to the end customer for $.05/KWH. This is now possible with a few years, especially with the 30% US federal incentive until 2016, but even at $2/Watt (.10/KWH averge US cost of energy), solar is a great investment and as turnkey micro-inverter systems can be purchased now for $2/Watt, it means that parity is here for the retail solar customer, even before federal incentives. Meanwhile better racking and stacking technology should mean easier installs. SRECs are a valuable tool, as they also drive utilities to either make the investment themselves or pay producers to add this valuable peak loan capacity, while letting the grid serve as our network. Meanwhile, battery tech is expected to also make the same type of cost reductions, with even lithium batteries are $250/KW and falling. Meanwhile, LEDs and other efficiency technologies remain a best buy, allowing a consumer to dramatically reduce loads and then allow an average 2000 sq ft house to meet most of its load and also provide power to recharge electric enabled vehicles. In my house, I have met 80% of my electricity need with a 4.2KW AC system and by adding an additional 3KW of capacity, I should be able to provide enough juice to eliminate my gasoline use for my 50 mile daily commute, saving me roughly $50 per week. With $2000 in yearly PV profit from my initial fully paid off system, PV power shows that it can be an excellent and safe longterm investment and provide even better returns than the stock market, without the risks. It amazes me that people throw good money after bad into coal based electricity and petroleum based gasoline (between $150-$250 per month) and then say that solar power is expensive. $72,000 over an average 30 years to me is what is expensive, especially as the only return is pollution, climate change and endless wars. It is time for America to grow up and help America go solar!
Peter Clay
Peter Clay
July 8, 2012
While people are complaining about the Chinese, in order for China and India to actually be able to afford solar PV power (and for that matter LEDs and batteries where they also want to dominate), they need to expand production scale further and leverage all advanced technology processes and advances. I find it interesting that people complain about China, when in fact China is providing us 25+ years of low cost electricity in the form of solar modules, while pushing demand for US and European polysilicon and micro-inverters and driving job creation by doing the one thing that all countries should have done, provide low cost, longterm capital to fuel manufacturing efficiency. While it is true that many companies will not be able to compete, the overall trend has never been better for the retail solar PV customer, with modules now available for purchase via the internet for $.75/Watt. For too many years, the PV manufacturers only sold to distributors, who kept prices high. In my case, I went directly to an internet supplier to purchase commodity PV modules and a turnkey system, then went and found a design/installation firm who would provide a reasonable cost to put these on my roof and interconnect to the grid, as other firms were still asking $7/Watt instead of the $5/Watt I paid in 2009 as they were not passing through the rapid market cost reductions to the end consumer. While I am all for paying a reasonable hourly wage for quality work, the focus should be on the consumer. With new micro-inverter tech now greatly decreasing design labor and generating 20% more power (especially with any shading), PV is cost effective now and this will drive scale and allow quicker installations before allowing the crew to move onto another job. Solar system costs will continue to decrease and we should do everything possible to keep driving this reduction, meaning more of our 7 billion people will be able to make the investment and reap the rewards.
ANONYMOUS
July 8, 2012
I find the above article to be very poor. Solar energy is already cheaper than fossil electricity in many market, despite receiving 10X less in subsidies than fossil based energy. In terms of on-site solar energy deployment, solar PV only needs to beat the retail cost of electricity ($.10). What is not considered is that while solar has a relatively short payback, unlike the "rent power for life" never ending cost of utility electricity. My system installed in April 2009 for $5 per installed watt will completely pay for itself in April 2012, then yield me $2000 in net income ($750 in power generation and the rest in SRECs until at least 2020), while meeting 80% of my power needs. While I did receive $2/Watt in state incentives, a PV system can now be installed for $2.50 - $3 per watt, even before 30% federal incentive and without any state incentives, meaning that I am planning to add an additional 3KW and an electric enabled vehicle to completely eliminate the money I have also been throwing away to buy and pollute with petroleum. A large data center project I have proposed for the company I work for would have an 18 month total system payback. Solar, like any investment, is now an excellent use of capital and 10 year coal plants are now being cancelled in record numbers, as solar and other clean energy is able to be quickly deployed and as solar generates during peak periods, it is actually far more valuable. Meanwhile, almost every day, the module efficiency, micro-inverter efficiency and system innovations force down the price of solar PV. At the same time, companies everyday are finding ways to eliminate the waste of polysilicon with far more efficient manufacturing processes, meaning that polysilicon is cheaper than ever. For solar it has been about achieving production scale and one cannot fault the Chinese government for providing low interest capital to take China from zero to hero in finding ways to drive cost reductions and expand production scale.
Jens Stubbe
Jens Stubbe
June 25, 2012
#7 Tony Pv panel efficiency is important because it drives down cost and enable more production from a limited area of say a roof. Land is not a free commodity either and all the mechanics of a pv panel scale with area. Silicon cost will be less than a percent of what they are today when the business move from bulk to thinfilm Silicon and as there are multiple producers of silicon the Silicon price per kilo will not increase. Most of the emerging efficiency increase technologies that I know of does not increase production price - quite to the contrary actually. And by the way most of these technologies are not focusing upon the silicon material they aim to optimise spectrum incident upon the Silicon and limiting the other massive optical and electrical losses associated with the currently dominating pv panel technologies. In my book grid parity is just an important milestone - not the end goal for pv or wind energy. The end goal must be an economical transition from fossil and nuclear to RE. Both wind energy and solar energy has the potential to continue the succesful development and become significantly cheaper than it is today and the technologies needed to connect large parts of the globe with HVDC cables are available, which means that we have the basic building blocks that can build a sustainable future.
pasquale amideo
pasquale amideo
June 25, 2012
Totally agree with you Paula. It's time to de-enphasize this Grid Parity by just saying that PV has reached GP (in many cases is over) and shift focus on the several other benefits, difficult to "dollarize" but still of paramount importance, PV intrinsecally brings.
Tony Maine
Tony Maine
June 24, 2012
Hi Jens, I like your enthusiasm. However, I don't think that the efficiency of the PV material is a major issue, as now it's already very cheap. The push for high efficiency makes perfect sense in cases where the cost of the fuel - or any input, for that matter - is significant, but for solar the cost of fuel is zero; it's free. So there's a clear balance to be struck between increasing PV efficiency which increases cost probably exponentially and increasing PV area which increases costs probably slightly less than linearly. I wager the Chinese have done these calculations very carefully and settled on 15% as yielding the minimum overall system cost. With the cost of the PV material now a lot less than the rest of the system, it is in this latter area where cost reductions are now best sought. That's why I was pushing integrated PV. I still think that tandem cells will not take off for anything except concentrators and space applications where constancy of spectral power density is guaranteed. Best wishes, Tony
Jens Stubbe
Jens Stubbe
June 23, 2012
#4 Hi Tony I pointed to the still interesting potential for efficiency improvements. A lot of researchers target + Shockley-Quissere performance for Silicon solar cells and I am quite confident that they will achieve it even for commercial cells. Solar will become a major utility power technology and the location of these large power utility plants will be where the insolation is best. Solar will emerge outside the traditional of grid markets when the planned HVDC grid will connect large parts of the world to allow a very high RE power percentage in the energy mix. Utility plants will typically be in high altitude arid areas near equator where the UV insolation will be much greater than in southern Australia. Your perception that there is no potential in further price drops are luckily not in tune with the general belief and the current trends in the business. The solar industry will grow to become at least 100 times larger than it is today by 2050 where the energy consumption will be three times that of today and solar will account for at least a third. Electricity account for only a third of the global energy consumption. In a RE future the price point of electricity has to decrease to a point where oil and coal can be substituted with electricity and where synthetic fuels based on RE electricity can replace fossil energy. For a RE future it is of paramount importance to continue the struggle to reach price points 90-95% below todays level.
Kim Hanna
Kim Hanna
June 23, 2012
It is virtual impossible to remove the subsidies that the entrenched energy companies receive. As long as they hold sway over government we'll have these problems. Excellent report. Thank you.
Tony Maine
Tony Maine
June 22, 2012
Fristly, the efficiency figures for multijunction cells are very misleading. They rely on a totally unrealistic constancy of spectral power density of the insolation. Even two cell (eg silicon/germanium) cells would struggle to keep their efficiency above 20% outside the hours of 10:00 to 14:00 due to spectral shifts through loss of short wavelength photons to atmospheric scattering. I have simulated these effects and they are very significant. With a four cell system, in realistic atmospheric conditions it won't do better than silicon most of the day and is often worse. Secondly, the cost of electricity from PV depends far more on the nature of the calculation used to evaluate it than the cost of the silicon. In South Australia it is almost as cheap to generate electricity yourself from diesel than to buy it off the grid. We pay maybe 28c /kWh, while it's generated at 4c/kWh. (A household diesel could do it for about 32c/kWh.) The difference in cost pays all the middlemen who cream off fat profits from the long chain of supply - transmission, distribution, capital infrastructure, and retailing. So the solar PV companies are not only at grid parity, they've gone past it and still continue to rush down the slope of 'reduced system cost'. Ironically most of that is now not in the PV material, it's in the support structures, wiring, installation, inverters, metering and so on - all pretty mature technologies and not subject to much capacity for further cost reduction. Only fully integrating the PV into the building structure - which is not widely done yet - will bring further substantial cost reductions without compromising system reliability and integrity. You can buy silicon cells that give about 1.5W for about 70c - that's about 50c/W. Why struggle to go lower? That's 10% of nuclear.
Jens Stubbe
Jens Stubbe
June 22, 2012
Paula serves nobody with her article. Competition is here to stay and quite frankly consolidation in the business will finish of most of the current companies that operate in the PV business. This is how it always is when a technology is emerging from obscurity to become really big and in the case of solar energy it will march towards a position as the largest industry on earth. Many of the technologies that have been explored and the companies that have championed them will be abandoned. Expect to see many more Konarka moments, and not only among panel producers but everywhere in the value chain. The companies that will eventually dominate the PV business are probably not even in the business at the moment. The Shockley-Quissere limit is 86% power conversion for multijunction PV and 33.7% for Silicon, which indicate an enormous room for improvement. Todays PV technology will be seen as bulky, heavy, fragile, ineffective and expensive when compared to the PV panels that sells in 2020. McKinsey predict that panel prices will drop 70% by 2020, which is pretty consistent with the prediction of accelerated returns by Ray Kurzweil. Selling below production cost is normal business for many companies. Just look to the FPD business where very few other than Samsung thrive. Executives constantly hope that their companies can become profitable and would rather burn through their very last scrap of cash than abandone the business. And by the way both $/W and LCOE will continue to drop fast for decades to come. The business is far from hysterical blind as Paula states it - they are realistic. All of them hope to survive the onslaught but few of them will and all survivors must have competitive pricing.
Karl Rabago
Karl Rabago
June 22, 2012
My own experience with this particular tune dates to the early 1990s - and still continues - the comparison charts of LCOE - hoping that someday, all our resource prices would close on the grid parity line. In partial response, I along with colleagues at my former position created the "Value of Solar" rate for residential solar systems - it calculates a value of solar energy for incorporation into new approach to a net metered rate. I have posted a copy of an article at www.rabagoenergy.com - and it (along with other initiatives) recently earned my former employer, Austin Energy, recognition from SEPA. We need to value our resources correctly, not try to get them to dance to some kind of price parity tune.
Eystein Hansen
Eystein Hansen
June 21, 2012
"In many countries the electricity that the public buys from the utility is delivered at a price point that is below the cost of production. Simply put, to try and achieve grid parity with electricity that is delivered to the customer below the cost of production is absurd as well as ironic. " I agree. Maybe more campaigns and marketing should be towards this, so that the general population would know the facts straight. "It is concerning that the very manufacturers suffering significant losses also proclaim that the current prices for PV modules are not only sustainable, but will be even lower in the near term." I think this is the overal strategy of consolidation they are aiming for still. (Sadly for Inovation currently!) One margin that is often overlooked when the companies brag about better and better production cost is the operational expenses. Often these are still at very large costs and if you spread them out over the watt of modules shipped you see that modules cost much more than what is claimed in the flashy presentations of production costs. And even more frustrating, it becomes a struggle to get to 100% utility to spread opex out over maximum shipments. This causes huge downwards pressures, together with dumping caused by insolvant companies or soon to be insolvant companies selling below production costs to get cash quickly.

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Paula Mints

Paula Mints

All Solar, All of the time -- I started my solar market research career with Strategies Unlimited in 1998, moved to Navigant in 2005 and am now I am excited to announce the founding of a new company, Paula Mints Solar PV Market Research....
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